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#include <iostream>
#include <fstream>
using namespace std;
int main(){
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n;
int mat[101][101], min_costs[101][101];
cin >> n;
for(int i = 0; i < n; ++i){
for(int j = 0; j < n; ++j){
cin >> mat[i][j];
}
}
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
for(int k = 0; k < n; ++k){
if(mat[i][j] + mat[j][k] < mat[i][k])
mat[i][k] = mat[i][j] + mat[j][k];
}
cout << '\n';
for(int i = 0; i < n; ++i, cout << '\n')
for(int j = 0; j < n; ++j){
cout << mat[i][j] << ' ';
}
return 0;
}