| Task: | Arpakuutiot |
| Sender: | hltk |
| Submission time: | 2020-10-03 21:06:10 +0300 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 35 |
| #2 | ACCEPTED | 65 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | 1, 2 | details |
| #2 | ACCEPTED | 0.01 s | 1, 2 | details |
| #3 | ACCEPTED | 0.01 s | 1, 2 | details |
| #4 | ACCEPTED | 0.01 s | 1, 2 | details |
| #5 | ACCEPTED | 0.01 s | 1, 2 | details |
| #6 | ACCEPTED | 0.01 s | 1, 2 | details |
| #7 | ACCEPTED | 0.01 s | 1, 2 | details |
| #8 | ACCEPTED | 0.01 s | 1, 2 | details |
| #9 | ACCEPTED | 0.01 s | 1, 2 | details |
| #10 | ACCEPTED | 0.01 s | 1, 2 | details |
| #11 | ACCEPTED | 0.01 s | 2 | details |
| #12 | ACCEPTED | 0.01 s | 2 | details |
| #13 | ACCEPTED | 0.01 s | 2 | details |
| #14 | ACCEPTED | 0.01 s | 2 | details |
| #15 | ACCEPTED | 0.01 s | 2 | details |
| #16 | ACCEPTED | 0.01 s | 2 | details |
| #17 | ACCEPTED | 0.01 s | 2 | details |
| #18 | ACCEPTED | 0.01 s | 2 | details |
| #19 | ACCEPTED | 0.01 s | 2 | details |
| #20 | ACCEPTED | 0.01 s | 2 | details |
| #21 | ACCEPTED | 0.01 s | 2 | details |
| #22 | ACCEPTED | 0.01 s | 2 | details |
| #23 | ACCEPTED | 0.01 s | 2 | details |
| #24 | ACCEPTED | 0.01 s | 2 | details |
| #25 | ACCEPTED | 0.01 s | 2 | details |
| #26 | ACCEPTED | 0.01 s | 2 | details |
| #27 | ACCEPTED | 0.01 s | 2 | details |
| #28 | ACCEPTED | 0.01 s | 2 | details |
| #29 | ACCEPTED | 0.01 s | 2 | details |
| #30 | ACCEPTED | 0.01 s | 2 | details |
| #31 | ACCEPTED | 0.01 s | 1, 2 | details |
Code
#include <iostream>
#include <map>
#include <vector>
const char *data =
"........0....1....2...345"
"........0....1...325...4."
"...0...315.42............"
".............0.5431...2.."
".............0..431....25"
"............0....154.32.."
"..0....1....2...345......"
"...01...3...42....5......"
".......0...315....24....."
".......0....15..32...4..."
".....0....1543...2......."
"...0....1....25....4....3"
".0....1....25..34........"
".......01.543....2......."
".....0....15....24....3.."
"........0.5431.2........."
"......0....1....2...345.."
"...............012....345"
"..............0..431.52.."
"...0.5431...2............"
"..0...3154...2..........."
"....0...31..42....5......"
"...0...31..42....5......."
".......0....15....24...3."
".0...3154...2............"
"........0..4315...2......"
".0....154....23.........."
".......0...315.42........"
"............01.543....2.."
".............0..4315..2.."
"........01.543..2........"
"........0....15...2...34."
".......0..4315...2......."
".......0....1...325....4."
"......01....325..4......."
"...01...3....2...45......"
"............0...315.42..."
"0....1543...2............"
"...0....1....25..34......"
".......0....154...2....3."
"0....15....2....34......."
"..............0.5431....2"
".........0...31..42...5.."
"......0....15..32...4...."
"........0....1...32....45"
".........0.5431.2........"
".......0...31..42...5...."
".0....1543..2............"
"..0....1...325...4......."
"...0..4315..2............"
".......0....154.32......."
"...0..431...2....5......."
"..............0.5431.2..."
"....0...31..42...5......."
"........0...31..42....5.."
".......01...3....2...45.."
"......0...315...2....4..."
"012....345..............."
".......01...3...42...5..."
"....0....1...32...4....5."
"..0....15..32...4........"
"........0...315.42......."
"..........01....325....4."
"01....32...4....5........"
".0...31....25....4......."
".........0...31...2...45."
"......012...3....4....5.."
"..012...3....4....5......"
"..012543................."
".01...3...42....5........"
".01....325...4..........."
".......01.543...2........"
"......01....325...4......"
"..0...31....25...4......."
"........0...315...2....4."
"......0....1...325....4.."
"............0..431....25."
"............01.543...2..."
"..0....15..32....4......."
"............0...3154...2."
"..0..431....25..........."
".0...31....2....45......."
"..0....154...2....3......"
".0....15..32....4........"
"........0....1....25..34."
"............01.543..2...."
"..0..431...2....5........"
".....01....3....42...5..."
"..0....1....25..34......."
"........0.5431...2......."
"......0...3154..2........"
"............0..4315...2.."
"..........0....1543.2...."
"..........01....32....45."
".0....1...325....4......."
".........0.5431...2......"
".......0..431...2....5..."
".......0....1...325...4.."
"..0....15....24...3......"
"...01..43..52............"
"...0..4315...2..........."
".......0...3154...2......"
"...0...315...2....4......"
"..01...3....2...45......."
"...0...31..42...5........"
"........0....1...325..4.."
"...........01....325..4.."
"..0....154.32............"
"........0.5431..2........"
"........0....15..32...4.."
"........01...3...42...5.."
"............0..4315....2."
"...........0....1543....2"
"....0...31...2...45......"
".....01....3....4....52.."
"...........0...3154..2..."
"......0...31....2....45.."
".......0...315...2....4.."
"0....1543..2............."
".0....1...32....45......."
"..0....15....24....3....."
"......0....154....23....."
"........0...31...2...45.."
"...........01....325....4"
"........0....1...325....4"
".0...315....24..........."
"..01.543..2.............."
"..0...315....24.........."
"............012543......."
"......0...315....24......"
".....0....15....2....34.."
"........0..431....25....."
"......0...31....25....4.."
"......01..43....2....5..."
"...0...31....25....4....."
".0...315...2....4........"
".0....1....2...345......."
"....0.5431....2.........."
"............0...315....24"
"............01..43..52..."
".01..43....2....5........"
"........0...31..42...5..."
".............0.5431..2..."
"....0..431.52............"
".......0....15....2....34"
"..0...3154....2.........."
".............01.543....2."
".......0..4315.2........."
"..0...3154.2............."
".......0....15....24....3"
"........0....15..32....4."
"..0....15...2...34......."
"...01.543...2............"
".012...3....4....5......."
"......01....3....42...5.."
".......01.543..2........."
"..............0.5431...2."
"...01..43....2....5......"
".....012....345.........."
"...........0....1543...2."
".......012...3....4....5."
"...0...31....25...4......"
"...........01....32....45"
".........0.5431..2......."
".0....1543....2.........."
"01....325...4............"
"...........0...3154....2."
".0...3154..2............."
".....01....325..4........"
"..0..4315.2.............."
"..01..43..52............."
".....01....325....4......"
".01....325....4.........."
"...0.5431....2..........."
".01....3....42...5......."
"....0.5431...2..........."
".0....1...325..4........."
"......0....15....24...3.."
".0....1543...2..........."
"01....325....4..........."
".............0..431.52..."
"............0...3154....2"
".........0.5431....2....."
"....0.5431..2............"
".0....154.32............."
"..........0....1543...2.."
"......0....154.32........"
"0....1543....2..........."
".01....325..4............"
".....01....32....45......"
"01....325..4............."
"......0....1...32....45.."
"..0....1...325....4......"
"......0....1543.2........"
"........0..4315.2........"
"...........0....1543..2.."
".......01....3....42...5."
".....0....154...2....3..."
"......0...31....25...4..."
".............0.5431....2."
".............01.543..2..."
"......0....1...325..4...."
"...0..431....25.........."
".....0....1543.2........."
".....01....325...4......."
"......0....15....24....3."
"......0....1543....2....."
"01....3....42....5......."
".0...3154.2.............."
".......01....3....42....5"
".......0...31...2...45..."
"...0..4315.2............."
".....0....1543..2........"
"..01....32...4....5......"
".0....15....24...3......."
"..0...31..42....5........"
"01....32....45..........."
"......01...3...42....5..."
".........0..431.52......."
"..........012....345....."
"..0....15....2....34....."
"...0....1...32...4....5.."
"..........01....325...4.."
"....0..431...2....5......"
"........01.543....2......"
".............0..4315.2..."
"............0..4315.2...."
".0....154...2....3......."
".......0...31..42....5..."
".01...3...42...5........."
".......0....1...32....45."
"...........01....325...4."
"...0..431.52............."
"......0....1543..2......."
".......0...3154..2......."
"..............0.5431..2.."
"......01....32....45....."
"........0..431.52........"
".....01....32...4....5..."
"..01...3...42....5......."
".............0.5431.2...."
"...0....15..32...4......."
".......0....1...325..4..."
"...0.5431..2............."
"..0...31..42...5........."
"...0....1...32....45....."
".............0..4315...2."
".......0....1....25..34.."
"...........0....154....23"
".....01....3....42....5.."
".0....15...2...34........"
"...........0...3154.2...."
".........0...31..42....5."
"........01...3...42....5."
"..........0....154....23."
".....0....154....23......"
"..0...31....25....4......"
"........0..4315....2....."
".0....15....24....3......"
".......0..431....25......"
"..0...31....2....45......"
"......0....1543...2......"
"..0...315.42............."
"..01....3....42....5....."
".......012543............"
"........0..4315..2......."
"......0....15....2....34."
"......01...3...42...5...."
"0....15....24....3......."
"..0....1....25....4....3."
"......0....154...2....3.."
"......0...3154.2........."
"..0....1...325..4........"
"........01.543...2......."
"..01...3...42...5........"
".......01..43....2....5.."
".......0...31....2....45."
".01...3....2...45........"
"............0...3154.2..."
".0....1...32...4....5...."
"....0.5431.2............."
"...0....1...325..4......."
".0...3154....2..........."
"......01....3....42....5."
"............0..4315..2..."
"..........0....1543....2."
"..0...31...2...45........"
"..01.543...2............."
"0....154....23..........."
"......0...3154....2......"
".......0...31....25...4.."
"...0....15...2...34......"
"......01...3....2...45..."
".............01..43..52.."
"......01....325....4....."
".....0....1543....2......"
"........0.5431....2......"
".01....3....4....52......"
"........01..43..52......."
"...0...31...2...45......."
".......01....3....4....52"
"..0..4315....2..........."
"..0....1...32...4....5..."
".......01..43..52........"
"...01.543..2............."
"..01....3....4....52....."
"........0..431...2....5.."
".0....15....2....34......"
".............0..4315....2"
"..0..4315..2............."
"0....1....25....4....3..."
"...01...3...42...5......."
".....012...3....4....5..."
"...0..4315....2.........."
"...0...31....2....45....."
"..0..4315...2............"
".....0....15....24...3..."
"0....15....24...3........"
"01....3....42...5........"
".0....1...325...4........"
".................012543.."
"..........01....325..4..."
"........0...31....25....4"
"..01....3....42...5......"
"...0....15..32....4......"
"..0....1...32....45......"
"......0....1....25..34..."
".............0...315.42.."
"......01....32...4....5.."
".0....1....25....4....3.."
"..01.543....2............"
"...........0....1543.2..."
"012...3....4....5........"
".......0....15...2...34.."
".01....32...4....5......."
".......0....15..32....4.."
"...0....1....2...345....."
".......0...3154.2........"
"0....154...2....3........"
"..0...315...2....4......."
".0....1543.2............."
".......01....32...4....5."
"..0...3154..2............"
"........0...31....25...4."
"......01....3....4....52."
"........01..43....2....5."
".......0....1....2...345."
".........0..431...2....5."
"........0...31....2....45"
"..01..43....2....5......."
"...0....1...325....4....."
"...01.543....2..........."
".......0..4315....2......"
"......0...3154...2......."
"......0....1...325...4..."
"............0...3154..2.."
".0...31....25...4........"
"..........0....1543..2..."
"...........0...3154...2.."
".......0...3154....2....."
"...0.5431.2.............."
".......0..4315..2........"
".0....15..32...4........."
"...........0....154.32..."
"...........0...315....24."
"........01...3....2...45."
"...0....1...325...4......"
".......0...31....25....4."
".......01...3...42....5.."
"......0....15..32....4..."
"0....1543.2.............."
"......0....15...2...34..."
".............01.543...2.."
"01....3....4....52......."
".01....3....42....5......"
".01....32....45..........";
int rot_map[][4] = {
{1, 3, 4, 5},
{5, 2, 3, 0},
{0, 1, 2, 4}
};
void do_rot(int* r, std::vector<int>& k) {
for (int j = 0; j < 3; ++j)
std::swap(k[r[j]], k[r[j + 1]]);
}
bool matches(const char *a, const char *b) {
for (int j = 0; j < 25; ++j)
if ((a[j] == '.') != (b[j] == '.'))
return false;
return true;
}
int main() {
int n;
std::cin >> n;
std::map<std::vector<int>, std::vector<int>> occ;
std::vector<std::vector<int>> p;
for (int i = 0; i < n; ++i) {
char inp[25];
for (int j = 0; j < 25; ++j)
std::cin >> inp[j];
std::vector<int> w(6);
const char* k = data;
for (; !matches(inp, k); k += 25);
for (int j = 0; j < 25; ++j)
if (k[j] != '.')
w[k[j] - '0'] = inp[j] - '0';
if (w[1] == 1 || w[4] == 1) do_rot(rot_map[0], w);
while (w[3] != 1) do_rot(rot_map[1], w);
while (w[1] != (w[5] == 2 ? 3 : 2)) do_rot(rot_map[2], w);
p.push_back(w);
occ[w].push_back(i);
}
for (int i = 0; i < n; ++i) {
if (occ[p[i]].size() == 1) {
std::cout << "-\n";
} else {
for (int j : occ[p[i]])
if (i != j)
std::cout << j + 1 << " ";
std::cout << "\n";
}
}
}
Test details
Test 1
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 3 165.. .4... .3... .2... ... |
| correct output |
|---|
| 3 - 1 |
| user output |
|---|
| 3 - 1 |
Test 2
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 264.. .5... .3... .1... ... |
| correct output |
|---|
| 3 4 5 1 2 5 2 4 |
| user output |
|---|
| 3 4 5 1 2 5 2 4 |
Test 3
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 152.. .4... .3... .6... ... |
| correct output |
|---|
| 3 5 4 1 5 2 1 3 |
| user output |
|---|
| 3 5 4 1 5 2 1 3 |
Test 4
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 142.. .6... .3... .5... ... |
| correct output |
|---|
| 4 5 3 2 1 5 1 4 |
| user output |
|---|
| 4 5 3 2 1 5 1 4 |
Test 5
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 123.. .4... .6... .5... ... |
| correct output |
|---|
| 3 4 5 1 2 5 2 4 |
| user output |
|---|
| 3 4 5 1 2 5 2 4 |
Test 6
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 213.. .6... .4... .5... ... |
| correct output |
|---|
| 4 5 3 2 1 5 1 4 |
| user output |
|---|
| 4 5 3 2 1 5 1 4 |
Test 7
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 314.. .5... .2... .6... ... |
| correct output |
|---|
| 3 4 5 1 2 5 2 4 |
| user output |
|---|
| 3 4 5 1 2 5 2 4 |
Test 8
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 163.. .2... .5... .4... ... |
| correct output |
|---|
| 4 5 3 2 1 5 1 4 |
| user output |
|---|
| 4 5 3 2 1 5 1 4 |
Test 9
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 264.. .1... .3... .5... ... |
| correct output |
|---|
| 2 3 1 3 1 2 5 4 |
| user output |
|---|
| 2 3 1 3 1 2 5 4 |
Test 10
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 5 214.. .3... .5... .6... ... |
| correct output |
|---|
| 5 3 4 2 4 2 3 1 |
| user output |
|---|
| 5 3 4 2 4 2 3 1 |
Test 11
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 .41.. .5... .2... 36... ... |
| correct output |
|---|
| 9 4 6 8 7 10 2 6 8 - ... |
| user output |
|---|
| 9 4 6 8 7 10 2 6 8 - ... |
Test 12
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 5.... 1436. .2... ..... ... |
| correct output |
|---|
| 5 8 6 10 4 7 9 3 7 9 1 8 ... |
| user output |
|---|
| 5 8 6 10 4 7 9 3 7 9 1 8 ... |
Test 13
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 2.... 41... .63.. .5... ... |
| correct output |
|---|
| 4 9 10 5 6 7 8 - 1 9 10 2 6 7 8 ... |
| user output |
|---|
| 4 9 10 5 6 7 8 - 1 9 10 2 6 7 8 ... |
Test 14
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 1.... 634.. ..52. ..... ... |
| correct output |
|---|
| 2 3 4 5 6 9 10 1 3 4 5 6 9 10 1 2 4 5 6 9 10 1 2 3 5 6 9 10 1 2 3 4 6 9 10 ... |
| user output |
|---|
| 2 3 4 5 6 9 10 1 3 4 5 6 9 10 1 2 4 5 6 9 10 1 2 3 5 6 9 10 1 2 3 4 6 9 10 ... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 .2... 4516. 3.... ..... ... |
| correct output |
|---|
| 5 7 9 10 8 4 6 3 6 1 7 9 10 ... |
| user output |
|---|
| 5 7 9 10 8 4 6 3 6 1 7 9 10 ... |
Test 16
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 .56.. .2... .4... 31... ... |
| correct output |
|---|
| 4 9 3 5 10 2 5 10 1 9 2 3 10 ... |
| user output |
|---|
| 4 9 3 5 10 2 5 10 1 9 2 3 10 ... |
Test 17
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 ..62. .31.. 45... ..... ... |
| correct output |
|---|
| 2 3 4 8 1 3 4 8 1 2 4 8 1 2 3 8 6 7 9 10 ... |
| user output |
|---|
| 2 3 4 8 1 3 4 8 1 2 4 8 1 2 3 8 6 7 9 10 ... Truncated |
Test 18
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 532.. .4... .1... .6... ... |
| correct output |
|---|
| 3 8 9 5 6 1 8 9 7 10 2 6 ... |
| user output |
|---|
| 3 8 9 5 6 1 8 9 7 10 2 6 ... |
Test 19
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 .64.. .1... .3... 52... ... |
| correct output |
|---|
| 2 5 6 7 8 9 1 5 6 7 8 9 4 10 3 10 1 2 6 7 8 9 ... |
| user output |
|---|
| 2 5 6 7 8 9 1 5 6 7 8 9 4 10 3 10 1 2 6 7 8 9 ... Truncated |
Test 20
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 10 .4... 326.. .1... .5... ... |
| correct output |
|---|
| 4 7 8 6 9 10 5 1 7 8 3 ... |
| user output |
|---|
| 4 7 8 6 9 10 5 1 7 8 3 ... |
Test 21
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 .6... .4... 31... .25.. ... |
| correct output |
|---|
| 3 7 11 16 6 1 7 11 16 5 19 4 19 ... |
| user output |
|---|
| 3 7 11 16 6 1 7 11 16 5 19 4 19 ... Truncated |
Test 22
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 3.... 5614. ..2.. ..... ... |
| correct output |
|---|
| 7 10 11 17 20 12 4 9 13 15 18 3 9 13 15 18 8 14 16 ... |
| user output |
|---|
| 7 10 11 17 20 12 4 9 13 15 18 3 9 13 15 18 8 14 16 ... Truncated |
Test 23
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 42... .316. .5... ..... ... |
| correct output |
|---|
| 5 12 13 15 18 16 20 6 8 14 9 19 1 12 13 15 18 ... |
| user output |
|---|
| 5 12 13 15 18 16 20 6 8 14 9 19 1 12 13 15 18 ... Truncated |
Test 24
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 ..5.. .623. 41... ..... ... |
| correct output |
|---|
| 2 6 11 12 13 1 6 11 12 13 5 16 18 7 14 3 16 18 ... |
| user output |
|---|
| 2 6 11 12 13 1 6 11 12 13 5 16 18 7 14 3 16 18 ... Truncated |
Test 25
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 .46.. 53... .1... .2... ... |
| correct output |
|---|
| 2 3 5 7 15 17 19 1 3 5 7 15 17 19 1 2 5 7 15 17 19 8 10 11 14 1 2 3 7 15 17 19 ... |
| user output |
|---|
| 2 3 5 7 15 17 19 1 3 5 7 15 17 19 1 2 5 7 15 17 19 8 10 11 14 1 2 3 7 15 17 19 ... Truncated |
Test 26
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 .61.. .4... 35... .2... ... |
| correct output |
|---|
| 8 10 20 3 17 18 19 2 17 18 19 14 15 6 7 9 13 ... |
| user output |
|---|
| 8 10 20 3 17 18 19 2 17 18 19 14 15 6 7 9 13 ... Truncated |
Test 27
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 ..2.. 1463. .5... ..... ... |
| correct output |
|---|
| 2 3 5 6 9 20 1 3 5 6 9 20 1 2 5 6 9 20 11 19 1 2 3 6 9 20 ... |
| user output |
|---|
| 2 3 5 6 9 20 1 3 5 6 9 20 1 2 5 6 9 20 11 19 1 2 3 6 9 20 ... Truncated |
Test 28
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 ...4. 5132. 6.... ..... ... |
| correct output |
|---|
| 2 8 10 12 13 19 1 8 10 12 13 19 4 5 15 16 17 3 5 15 16 17 3 4 15 16 17 ... |
| user output |
|---|
| 2 8 10 12 13 19 1 8 10 12 13 19 4 5 15 16 17 3 5 15 16 17 3 4 15 16 17 ... Truncated |
Test 29
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 .2... .31.. 45... 6.... ... |
| correct output |
|---|
| 5 8 9 14 17 3 10 16 2 10 16 13 15 19 1 8 9 14 17 ... |
| user output |
|---|
| 5 8 9 14 17 3 10 16 2 10 16 13 15 19 1 8 9 14 17 ... Truncated |
Test 30
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 3.... 452.. .1... .6... ... |
| correct output |
|---|
| 3 7 8 9 14 15 16 19 4 12 13 17 1 7 8 9 14 15 16 19 2 12 13 17 11 20 ... |
| user output |
|---|
| 3 7 8 9 14 15 16 19 4 12 13 17 1 7 8 9 14 15 16 19 2 12 13 17 11 20 ... Truncated |
Test 31
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 2 546.. .3... .2... .1... ... |
| correct output |
|---|
| - - |
| user output |
|---|
| - - |
