#include <stdio.h>

int n, grf[101][101];

void read() {
    int i,j;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            scanf("%d",&grf[i][j]);
}
void write() {
    int i,j;
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++) {
            printf("%d ",grf[i][j]);
        }
        printf("\n");
    }
}
int main () {
    int k,i,j;
    read();
    
    for (k=1;k<=n;k++) {
        for (i=1;i<=n;i++) {
            for (j=1;j<=n;j++) {
                if (i!=j && grf[i][k] && grf[k][j] && (!grf[i][j] || grf[i][k] + grf[k][j] < grf[i][j])) {
                    grf[i][j] = grf[i][k] + grf[k][j];
                }
            }
        }
    }
    
    write();
    return 0;
}