#include <cstdio>
#include <cstring>

const int N = 100;
const int INF = 10000001;

int n;
int rf[N][N];

template <class T> T min ( T a, T b ) { return (a < b) ? a : b; }

int main() {
	freopen("royfloyd.in","rt",stdin);
	freopen("royfloyd.out","wt",stdout);
	scanf("%d",&n);
	for (int i = 0; i < n; ++i)
		for (int j = 0; j < n; ++j)
			scanf("%d",&rf[i][j]);

	for (int k = 0; k < n; k++)
		for (int i = 0; i < n; i++)
			for (int j = 0; j < n; j++)
				if (rf[i][k] && rf[k][j] && (rf[i][j] > rf[i][k] + rf[k][j] || !rf[i][j]) && i != j)
					rf[i][j] = rf[i][k] + rf[k][j];
	
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) printf("%d ",rf[i][j]);
		printf("\n");
	}
	return 0;
}