CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:asonnine
Submission time:2024-10-29 21:38:35 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.00 s1, 2, 3, 4, 5, 6details
#20.00 s1, 2, 3, 4, 5, 6details
#3ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#4ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#5ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#60.00 s2, 3, 4, 5, 6details
#70.00 s2, 3, 4, 5, 6details
#8ACCEPTED0.00 s2, 3, 4, 5, 6details
#90.00 s2, 3, 4, 5, 6details
#100.00 s3, 4, 5, 6details
#110.00 s3, 4, 5, 6details
#12ACCEPTED0.00 s3, 4, 5, 6details
#130.00 s3, 4, 5, 6details
#140.01 s4, 5, 6details
#150.01 s4, 5, 6details
#16ACCEPTED0.01 s4, 5, 6details
#170.00 s4, 5, 6details
#180.02 s5, 6details
#190.02 s5, 6details
#20ACCEPTED0.03 s5, 6details
#210.01 s5, 6details
#220.29 s6details
#230.29 s6details
#240.34 s6details
#250.22 s6details

Code

#include <bits/stdc++.h>
#include <vector>
using namespace std;
int char_to_int(char in) {
return (int)in - 65;
}
int recurseh(int n, int x, int dx, vector<string> &field, vector<int> species, vector<vector<bool>> &used) {
int out = 0;
if (x == n - 1) {
return 0;
}
if (used[x+1][dx-1]) {
used[x+1][dx-1] = false;
bool left = true;
vector<int> new_species = species;
for (int i = 0; i < n; i++) {
if(new_species[char_to_int(field[i][x])] != 1) {
new_species[char_to_int(field[i][x])]--;
} else {
left = false;
break;
}
}
if (left) {
out++;
out += recurseh(n, x+1, dx-1, field, new_species, used);
}
}
if (used[x][dx-1]) {
used[x][dx-1] = false;
bool right = true;
vector<int> new_species = species;
for (int i = 0; i < n; i++) {
if(new_species[char_to_int(field[i][x+dx])] != 1) {
new_species[char_to_int(field[i][x+dx])]--;
} else {
right = false;
break;
}
}
if (right) {
out++;
out += recurseh(n, x, dx-1, field, new_species, used);
}
}
return out;
}
int recursev(int n, int y, int dy, vector<string> &field, vector<int> species, vector<vector<bool>> &used) {
int out = 0;
if (y == n - 1) {
return 0;
}
if (used[y+1][dy-1]) {
used[y+1][dy-1] = false;
bool up = true;
vector<int> new_species = species;
for (int i = 0; i < n; i++) {
if(new_species[char_to_int(field[y][i])] != 1) {
new_species[char_to_int(field[y][i])]--;
} else {
up = false;
break;
}
}
if (up) {
out++;
out += recursev(n, y+1, dy-1, field, new_species, used);
}
}
if (used[y][dy-1]) {
used[y][dy-1] = false;
bool down = true;
vector<int> new_species = species;
for (int i = 0; i < n; i++) {
if(new_species[char_to_int(field[y+dy][i])] != 1) {
new_species[char_to_int(field[y+dy][i])]--;
} else {
down = false;
break;
}
}
if (down) {
out++;
out += recursev(n, y, dy-1, field, new_species, used);
}
}
return out;
}
int main() {
int n;
cin >> n;
vector<string> field(n);
vector<int> species(26);
for (int i = 0; i < n; i++) {
cin >> field[i];
}
for (auto i : field) {
for (auto j : i) {
species[char_to_int(j)]++;
}
}
vector<vector<bool>> used(n);
vector<bool> temp(n);
fill(temp.begin(), temp.end(), true);
fill(used.begin(), used.end(), temp);
int h = recurseh(n, 0, n-1, field, species, used)+1;
fill(temp.begin(), temp.end(), true);
fill(used.begin(), used.end(), temp);
int v = recursev(n, 0, n-1, field, species, used)+1;
cout << h*v << "\n";
}

Test details

Test 1

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
2805

Test 2

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
NFWQLWNWYS
DZOQJVXFPJ
CNHXPXMCQD
QRTBVNLTQC
...

correct output
9

user output
12

Test 3

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
...

correct output
3025

user output
3025

Test 4

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
10
FFFFFFFFFF
FFFFFCFFFF
FFFFFFJFFF
FFFFFFFFFF
...

correct output
12

user output
12

Test 5

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
1
X

correct output
1

user output
1

Test 6

Group: 2, 3, 4, 5, 6

Verdict:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
44100

Test 7

Group: 2, 3, 4, 5, 6

Verdict:

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
15006

Test 8

Group: 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
20
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
...

correct output
44100

user output
44100

Test 9

Group: 2, 3, 4, 5, 6

Verdict:

input
20
AAAAAAAAXAAAAAAAAAAA
AAAWAAAAAAAAAAAAAOAA
AAAAAAAAAAAAAAAAAPAA
AAAAAAAAKAAAAAAAAAAZ
...

correct output
18

user output
24

Test 10

Group: 3, 4, 5, 6

Verdict:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
1625625

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
1428000

Test 12

Group: 3, 4, 5, 6

Verdict: ACCEPTED

input
50
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...

correct output
1625625

user output
1625625

Test 13

Group: 3, 4, 5, 6

Verdict:

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
3024

Test 14

Group: 4, 5, 6

Verdict:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
25502500

Test 15

Group: 4, 5, 6

Verdict:

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
25115076

Test 16

Group: 4, 5, 6

Verdict: ACCEPTED

input
100
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT...

correct output
25502500

user output
25502500

Test 17

Group: 4, 5, 6

Verdict:

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
49164

Test 18

Group: 5, 6

Verdict:

input
200
NAANANMMKNKKAKMKMAKNKMNKMMNNAA...

correct output
403292767

user output
404010000

Test 19

Group: 5, 6

Verdict:

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
403849215

Test 20

Group: 5, 6

Verdict: ACCEPTED

input
200
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC...

correct output
404010000

user output
404010000

Test 21

Group: 5, 6

Verdict:

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
37547900

Test 22

Group: 6

Verdict:

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
-1492306684

Test 23

Group: 6

Verdict:

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
-1492306684

Test 24

Group: 6

Verdict:

input
500
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
15687562500

user output
-1492306684

Test 25

Group: 6

Verdict:

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
1848195568