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#include <iostream>
#include <cstdio>
#define N 105
#define inf 0x3f3f3f3f
#define min(a, b) a<b?a:b
using namespace std;
int n, g[N][N];
void citire()
{
scanf("%d\n", &n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
scanf("%d ", &g[i][j]);
if(i!=j && !g[i][j])
g[i][j]=inf;
}
}
void prelucrare()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
g[i][j]=min(g[i][j], g[i][k]+g[k][j]);
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
printf("%d ", g[i][j]);
printf("\n");
}
}
int main()
{
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
citire();
prelucrare();
afisare();
return 0;
}