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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int cost[101][101], a[101][101], viz[101];
int n,m,j,i;
void RoyFloyd() {
int i,j,k;
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if ( cost[i][k]!=0 && cost[k][j]!=0 && (cost[i][k] + cost[k][j] < cost[i][j] || cost[i][j]==0) && i!=j )
cost[i][j] = cost[i][k] + cost[k][j];
}
int main()
{
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
f>>cost[i][j];
RoyFloyd();
for (i=1;i<=n;i++) {
for (j=1;j<=n;j++)
g<<cost[i][j]<<"\t";
g<<"\n";
}
return 0;
}