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#include <bits/stdc++.h>
#define inf 10000005
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,c[105][105],d[105][105];
void rf() {
int i,j,k;
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (c[i][k]+c[k][j]<c[i][j]) {
c[i][j]=c[i][k]+c[k][j];
d[i][j]=d[k][j];
}
}
int main() {
int i,j;
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++) {
f>>c[i][j];
if (i!=j && !c[i][j])
c[i][j]=inf;
}
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (c[i][j]==inf || i==j)
d[i][j]=0;
else d[i][j]=i;
rf();
for (i=1;i<=n;i++) {
for (j=1;j<=n;j++)
g<<c[i][j]<<' ';
g<<'\n';
}
return 0;
}