#include <stdio.h>
long n;
int x[128][128];

int min(int a,int b)
{
if(a>b)return b;
return a;
}


void cit()
{
FILE *f;
int i,j;
f=fopen("royfloyd.in","r");
fscanf(f,"%d",&n);
for(i=0;i<n;i++)
for(j=0;j<n;j++)fscanf(f,"%d",&x[i][j]);
fclose(f);
}

void rez()
{
int i,j,k;
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if((i!=j)&&(x[i][k])&&(x[k][j]))
if((x[i][j]>x[i][k]+x[k][j])||(x[i][j]==0))
x[i][j]=x[i][k]+x[k][j];
}

void tip()
{
FILE *f;
int i,j;
f=fopen("royfloyd.out","w");
for(i=0;i<n;i++)
{
for(j=0;j<n-1;j++)fprintf(f,"%d ",x[i][j]);
fprintf(f,"%d\n",x[i][n-1]);
}
fclose(f);
}

int main()
{
cit();
rez();
tip();
return 0;
}