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- #include<bits/stdc++.h>
- using namespace std;
- const int MAXN=1010;
- int main(){
- int n, m;
- cin >> n >> m;
- int mat[MAXN][MAXN]={};
- vector<int> adj[MAXN];
- for(int i=0; i<m; i++){
- int a, b;
- cin >> a >> b;
- mat[a][b]=true;
- adj[a].push_back(b);
- }
- for(int i=1; i<=n; i++){
- sort(adj[i].begin(), adj[i].end());
- }
- for(int i=1; i<=n; i++){
- cout << adj[i].size() << " ";
- for(int j=0; j<adj[i].size(); j++){
- cout << adj[i][j] << " ";
- }
- cout << endl;
- }
- cout << endl;
- for(int i=1; i<=n; i++){
- for(int j=1; j<=n; j++){
- cout << mat[i][j] << " ";
- }
- cout << endl;
- }
- cout << endl;
- }
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