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#include <stdio.h>
int n, a[105][105];
void citire()
{
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
int i, j;
scanf("%d", &n);
for(i = 1; i <= n; i++)
for(j = 1; j <= n; j++)
scanf("%d", &a[i][j]);
}
void roy_floyd()
{
int i, j, k;
for(k = 1; k <= n; k++)
for(i = 1; i <= n; i++)
for(j = 1; 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];
}
void afis()
{
int i, j;
for(i = 1; i <= n; i++)
{
for(j = 1; j <= n; j++)
printf("%d ", a[i][j]);
printf("\n");
}
}
int main()
{
citire();
roy_floyd();
afis();
return 0;
}