#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
const int N = 3003;
int p[N];
int pr[N];
int col[N];
int c[N][N];
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n >> n;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
cin >> c[i][j];
}
}
vector<pair<int, int>> ans;
for (int i = 1; i <= n; ++i) {
if (p[i] == 0) {
for (int j = 1; j <= n; ++j) {
if (c[i][j] == 1) {
p[j] = i;
if (i != j) {
pr[j] = i;
ans.emplace_back(i, j);
}
}
}
}
}
pr[1] = 1;
int cnt = 2;
col[1] = 1;
queue<int> que;
que.push(1);
while (!que.empty()) {
int v = que.front();
que.pop();
for (int i = 1; i <= n; ++i) {
if (!pr[i] && c[v][i] == 2) {
pr[i] = v;
que.push(i);
bool f = false;
for (int j = 1; j <= n; ++j) {
if (c[v][j] == c[i][j] && col[j]) {
f = true;
col[i] = col[j];
break;
}
}
if (!f) {
col[i] = cnt++;
}
}
}
}
for (int i = 1; i <= n; ++i) {
cout << (col[i] ? col[i] : col[pr[i]]) << ' ';
}
cout << '\n';
for (int i = 2; i <= n; ++i) {
cout << pr[i] << ' ' << i << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
346 ms |
53568 KB |
Output is correct |
3 |
Correct |
344 ms |
53332 KB |
Output is correct |
4 |
Correct |
352 ms |
53180 KB |
Output is correct |
5 |
Correct |
336 ms |
53164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
356 ms |
53312 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
346 ms |
53568 KB |
Output is correct |
3 |
Correct |
344 ms |
53332 KB |
Output is correct |
4 |
Correct |
352 ms |
53180 KB |
Output is correct |
5 |
Correct |
336 ms |
53164 KB |
Output is correct |
6 |
Incorrect |
356 ms |
53312 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |