#include <cstdio>
#define min(X,Y) (((X)<(Y))?(X):(Y))
int n,v[105][105];
int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++){
			scanf("%d",&v[i][j]);
			if(i!=j&&!v[i][j])
				v[i][j]=1001;
	}
	for(int k=0;k<n;k++)
		for(int i=0;i<n;i++)
			for(int j=0;j<n;j++)
				v[i][j]=min(v[i][j],v[i][k]+v[k][j]);
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++)
			printf("%d ",v[i][j]);
		printf("\n");
	}
	return 0;
}