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#include<stdio.h>
long n, a[101][101];
int main() {
freopen("royfloyd.in", "rt", stdin);
freopen("royfloyd.out", "wt", stdout);
scanf("%ld", &n);
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
scanf("%ld", &a[i][j]);
for(int k = 0; k < n; k++)
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
a[i][j] = a[i][k] + a[k][j];
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++)
printf("%ld ", a[i][j]);
printf("\n");
}
return 0;
}