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#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int N = 101;
int n, mat[N][N]; // mat[i][j] = cost minim de la i la j
int main(){
f >> n;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= n; j++){
f >> mat[i][j];
}
}
f.close();
for(int k = 1; k <= n; k++){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= n; j++){
if(mat[i][k] + mat[k][j] < mat[i][j])
mat[i][j] = mat[i][k] + mat[k][j];
}
}
}
for(int i = 1; i <= n; i++){
for(int j = 1; j <= n; j++)
g << mat[i][j] << ' ';
g << '\n';
}
g.close();
}