#include <bits/stdc++.h>
#define pii pair<int,int>
#define ft first
#define sd second
#define MP make_pair
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 5010;
const int M = 500100;
const int oo = 2e9;
int col[M], l, r, mrk[2][N][N], m, ans = oo, nm[M], x[M], y[M], tt = 0, X, deg[2][N];
mt19937 rnd(chrono::system_clock().now().time_since_epoch().count());
void potential(){
int cur = 0;
tt++;
for (int it = 0; it < m; it++){
int i = nm[it];
for (int c = 0; ; c++)
if (mrk[0][x[i]][c] < tt && mrk[1][y[i]][c] < tt){
col[i] = c;
cur = max(cur, c);
if (cur > X) {
shuffle(nm, nm + m, rnd);
return;
}
mrk[0][x[i]][c] = mrk[1][y[i]][c] = tt;
break;
}
}
cout << cur + 1 << '\n';
for (int i = 0; i < m; i++)
cout << col[i] + 1 << '\n';
exit(0);
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> l >> r >> m;
for (int i = 0; i < m; i++){
cin >> x[i] >> y[i];
x[i]--; y[i]--;
deg[0][x[i]]++;
deg[1][y[i]]++;
nm[i] = i;
}
int mex = 0;
for (int i = 0; i < max(l, r); i++) {
mex = max(mex, deg[0][i]);
mex = max(mex, deg[1][i]);
}
X = 1;
while (X < mex) X += X;
for (;;)
potential();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
512 KB |
too many colors |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
640 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
896 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
19 ms |
20480 KB |
too many colors |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
11136 KB |
Output is correct |
2 |
Correct |
11 ms |
8576 KB |
Output is correct |
3 |
Correct |
23 ms |
25856 KB |
Output is correct |
4 |
Correct |
9 ms |
5376 KB |
Output is correct |
5 |
Correct |
6 ms |
2048 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
102 ms |
8952 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
103 ms |
8896 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
122 ms |
12408 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
287 ms |
24780 KB |
Output is correct |
2 |
Runtime error |
121 ms |
15096 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
947 ms |
89756 KB |
Output is correct |
2 |
Runtime error |
124 ms |
15096 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
656 ms |
89720 KB |
Output is correct |
2 |
Runtime error |
129 ms |
15224 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |