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#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
const int nmax = 106;
int n, mat[nmax][nmax];
int main(){
int player_unu=0;
in>>n;
for(int i = 1; i<=n; i++)
for(int j = 1; j<=n; j++)
in>>mat[i][j];
for(int k = 1; k<=n; k++)
for(int i = 1; i<=n; i++)
for(int j = 1; j<=n; j++)
if(i!=j && mat[i][k]!=0 && mat[k][j]!=0 && (mat[i][j]>mat[i][k] + mat[k][j] || mat[i][j]==0))
mat[i][j] = mat[i][k] + mat[k][j];
for(int i = 1; i<=n; i++)
{
for(int j = 1; j<=n; j++)
out<<mat[i][j]<<' ';
out<<'\n';
}
return player_unu;
}