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- #include <iostream>
- #include <cmath>
- using namespace std;
- int main ()
- {
- int n, m, l, r;
- cin >> n >> m;
- int arr[n][n];
- for (int i=0; i<n; i++)
- {
- for (int j=0; j<n; j++)
- arr[i][j]=0;
- }
- for (int i=0; i<m; i++)
- {
- cin >> l >> r;
- arr[l-1][r-1]=1;
- }
- for (int i=0; i<n; i++)
- {
- for (int j=0; j<n; j++)
- {
- cout.width(3);
- cout << arr[i][j];
- }
- cout << endl;
- }
- }
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