#include <stdio.h>
#define MAXN 100

int main()
{	
	int mat[MAXN][MAXN];
	int n;
	int i,j,k;
	FILE *fin = fopen("royfloyd.in","r");
	FILE *fout = fopen("royfloyd.out", "w");
	fscanf(fin, "%d", &n);
	for (i = 0; i<n; ++i)
		for (j = 0; j<n; ++j)
			fscanf(fin, "%d", &mat[i][j]);
	fclose(fin);
	for (k = 0; k<n; ++k)
		for (i = 0; i<n; ++i)
			for(j = 0; j<n; ++j)			
				if (i != j && 
					((mat[i][j] > mat[i][k] + mat[k][j]) || !mat[i][j]) && 
					mat[i][k] && mat[k][j])
					mat[i][j] = mat[i][k] + mat[k][j];
	for (i = 0; i<n; fprintf(fout,"\n"), ++i)
		for(j = 0; j<n; fprintf(fout, "%d ",mat[i][j++]));
	fclose(fout);
	return 0;
}