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- #include <iostream>
- using namespace std;
- int a[1001][1001], n, m;
- int main(){
- cin >> n >> m;
- for (int i = 1 ;i <= n ; ++i)
- for(int j = 1 ; j <= m ; ++j)
- cin >> a[i][j];
- int imin = n+1, imax = 0, jmin = m + 1, jmax = 0;
- for (int i = 1 ;i <= n ; ++i)
- for(int j = 1 ; j <= m ; ++j)
- if(a[i][j] == 1)
- {
- if(i < imin) imin = i;
- if(i > imax) imax = i;
- if(j < jmin) jmin = j;
- if(j > jmax) jmax = j;
- }
- cout << imax - imin + 1 << " " << jmax - jmin + 1 << endl;
- for (int i = imin ;i <= imax ; ++i){
- for(int j = jmin ; j <= jmax ; ++j)
- cout << a[i][j] << " ";
- cout << endl;
- }
- return 0;
- }
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