#include <bits/stdc++.h>
#define FOR(i,x,y) for(int i=x;i < y;i++)
int k,n,a[3001][3001],D[3001][3001];int F[3001],c=1,e=1;bool B[3001];std::vector<int> C;std::pair<int,int> A[3001];void E(int N=1){B[N]=true;C.push_back(N);FOR(i,1,n+1)if(!B[i]&&a[N][i]==1){B[i]=true;F[i]=F[N];for(int j : C)D[i][j]=D[j][i]=D[N][j]+1;A[e++]={N,i};}FOR(i,1,n+1)if(!B[i]&&a[N][i]==2){int M=0;for(int j : C){D[i][j]=D[j][i]=D[N][j]+1;if(a[i][j]==a[N][j]&&(!M||D[i][j] < D[i][M]))M=j;}if(M)F[i]=F[M];else F[i]=++c;A[e++]={N,i};E(i);}}int main(){std::cin>>k>>n;FOR(i,1,n+1)FOR(j,1,n+1)std::cin>>a[i][j];F[1]=1;E();FOR(i,1,n+1)std::cout<<F[i]<<" \n"[i==n];FOR(i,1,n)std::cout<<A[i].first<<' '<<A[i].second<<'\n';return 0;}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
640 KB |
Output is correct |
2 |
Correct |
1916 ms |
88928 KB |
Output is correct |
3 |
Correct |
1874 ms |
88696 KB |
Output is correct |
4 |
Correct |
1857 ms |
76136 KB |
Output is correct |
5 |
Correct |
1933 ms |
82188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1897 ms |
87160 KB |
Output is correct |
2 |
Correct |
1836 ms |
84732 KB |
Output is correct |
3 |
Execution timed out |
2079 ms |
30128 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
640 KB |
Output is correct |
2 |
Correct |
1916 ms |
88928 KB |
Output is correct |
3 |
Correct |
1874 ms |
88696 KB |
Output is correct |
4 |
Correct |
1857 ms |
76136 KB |
Output is correct |
5 |
Correct |
1933 ms |
82188 KB |
Output is correct |
6 |
Correct |
1897 ms |
87160 KB |
Output is correct |
7 |
Correct |
1836 ms |
84732 KB |
Output is correct |
8 |
Execution timed out |
2079 ms |
30128 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |