| Task: | Summat |
| Sender: | rasastusni |
| Submission time: | 2020-09-26 23:33:11 +0300 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | WRONG ANSWER | 0 |
| #3 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #2 | WRONG ANSWER | 0.01 s | 1, 2, 3 | details |
| #3 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #4 | WRONG ANSWER | 0.01 s | 1, 2, 3 | details |
| #5 | WRONG ANSWER | 0.01 s | 1, 2, 3 | details |
| #6 | ACCEPTED | 0.01 s | 2, 3 | details |
| #7 | WRONG ANSWER | 0.01 s | 2, 3 | details |
| #8 | ACCEPTED | 0.01 s | 2, 3 | details |
| #9 | WRONG ANSWER | 0.01 s | 2, 3 | details |
| #10 | WRONG ANSWER | 0.01 s | 2, 3 | details |
| #11 | ACCEPTED | 0.04 s | 3 | details |
| #12 | WRONG ANSWER | 0.04 s | 3 | details |
| #13 | ACCEPTED | 0.04 s | 3 | details |
| #14 | WRONG ANSWER | 0.04 s | 3 | details |
| #15 | WRONG ANSWER | 0.04 s | 3 | details |
Code
#include <algorithm>
#include <iostream>
#include <vector>
#include <set>
using namespace std;
int n;
int b[5000];
int M[5000][100];
int c;
set<int> pivoted;
int find_pivot(int i) {
for (int a = 0; a < c; ++a) {
if (M[a][i] != 0 && pivoted.find(a) == pivoted.end()) {
if (M[a][i] != 1) {
int bs = M[a][i];
for (int k = 0; k < n; ++k) {
M[a][k] /= bs;
}
b[a] /= bs;
}
//cout << i << endl;
//for (int k = 0; k < n; ++k) {
// cout << M[a][k] << " ";
//}
//cout << endl;
pivoted.insert(a);
return a;
}
}
return -1;
}
void gauss() {
for (int i = 0; i < n; ++i) {
//for (int a = 0; a < c; ++a) {
//for (int k = 0; k < n; ++k) {
// cout << M[a][k] << " ";
//}
//cout << b[a] << endl;
//}
int pivot = find_pivot(i);
//cout << pivot << endl;
if (pivot == -1) continue;
for (int a = 0; a < c; ++a) {
if (a != pivot && M[a][i] != 0) {
int bs = M[a][i];
for (int k = 0; k < n; ++k) {
M[a][k] -= bs * M[pivot][k];
}
b[a] -= bs * b[pivot];
}
}
}
}
int main()
{
cin >> n;
for (int i = 0; i < n*(n-1)/2; ++i) {
cin >> b[i];
}
for (int i = 0; i < n; ++i) {
for (int a = i + 1; a < n; ++a) {
M[c][i] = 1;
M[c][a] = 1;
++c;
}
}
gauss();
for (auto x : pivoted) {
cout << b[x];
if (x != *pivoted.rbegin()) cout << " ";
}
cout << endl;
//for (int i = 0; i < c; ++i) {
// for (int k = 0; k < n; ++k) {
// cout << M[i][k];
// }
// cout << endl;
// cout << b[i] << endl;
//}
}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 5 2 2 2 2 2 2 2 2 2 2 |
| correct output |
|---|
| 1 1 1 1 1 |
| user output |
|---|
| 1 1 1 1 1 |
Test 2
Group: 1, 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 5 3 4 5 5 6 6 7 7 8 9 |
| correct output |
|---|
| 1 2 3 4 5 |
| user output |
|---|
| 1 2 3 4 4 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 5 5 6 6 6 9 9 9 10 10 10 |
| correct output |
|---|
| 1 4 5 5 5 |
| user output |
|---|
| 1 4 5 5 5 |
Test 4
Group: 1, 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 5 2 3 3 6 6 6 6 7 7 10 |
| correct output |
|---|
| 1 1 2 5 5 |
| user output |
|---|
| 0 2 3 3 6 |
Test 5
Group: 1, 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 5 4 5 5 5 5 6 6 6 7 7 |
| correct output |
|---|
| 2 2 3 3 4 |
| user output |
|---|
| 2 2 3 3 3 |
Test 6
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 20 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ... |
| correct output |
|---|
| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
Test 7
Group: 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 20 3 4 5 5 6 6 7 7 7 8 8 8 9 9 9 ... |
| correct output |
|---|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
| user output |
|---|
| -1 4 5 6 6 7 7 8 8 8 9 9 9 10 ... |
Test 8
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 20 52 55 55 57 62 62 63 64 66 71 ... |
| correct output |
|---|
| 1 51 54 54 56 61 61 62 63 65 7... |
| user output |
|---|
| 1 51 54 54 56 61 61 62 63 65 7... |
Test 9
Group: 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 20 25 30 31 32 36 39 40 41 45 45 ... |
| correct output |
|---|
| 8 17 22 23 24 28 43 50 53 55 6... |
| user output |
|---|
| -4 29 34 35 36 40 43 44 45 49 ... |
Test 10
Group: 2, 3
Verdict: WRONG ANSWER
| input |
|---|
| 20 9 10 14 17 17 20 21 22 24 25 2... |
| correct output |
|---|
| 1 8 9 13 16 19 30 32 38 40 43 ... |
| user output |
|---|
| -10 19 20 24 27 27 30 31 32 34... |
Test 11
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ... |
| correct output |
|---|
| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... Truncated |
Test 12
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100 3 4 5 5 6 6 7 7 7 8 8 8 9 9 9 ... |
| correct output |
|---|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
| user output |
|---|
| -7 10 11 12 12 13 13 14 14 14 ... Truncated |
Test 13
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100 502824619 505239810 505668108 ... |
| correct output |
|---|
| 1 502824618 505239809 50566810... |
| user output |
|---|
| 1 502824618 505239809 50566810... Truncated |
Test 14
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100 17871832 41618648 51611938 538... |
| correct output |
|---|
| 3939271 13932561 37679377 4989... |
| user output |
|---|
| -88270474 106142306 129889122 ... Truncated |
Test 15
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100 70588435 115481965 116040218 1... |
| correct output |
|---|
| 5902586 64685849 109579379 110... |
| user output |
|---|
| -55558777 126147212 171040742 ... Truncated |