#include <cstdio>
#define INF 0xFFFFF

int n,C[101][101];

void royfloyd(){
    int i,j,k;
    for(int k=1;k<=n;k++)
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    if(i!=j)
    if(C[i][k]+C[k][j]<C[i][j])C[i][j]=C[i][k]+C[k][j];
}

int main(){
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
        scanf("%d",&n);
        for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            scanf("%d",&C[i][j]);
            if(C[i][j]==0)C[i][j]=INF;
        }
    royfloyd();
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)printf("%d ",C[i][j]==INF?0:C[i][j]);
            printf("\n");
        }
}