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Cod sursa(job #617152)
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cstring>
#include <cstdlib>
#include <string>
using namespace std;
#define LL long long
#define INFILE "royfloyd.in"
#define OUTFILE "royfloyd.out"
#define NMAX 128
int m[NMAX][NMAX];
int main()
{
freopen(INFILE, "r", stdin);
freopen(OUTFILE, "w", stdout);
int n;
scanf("%d", &n);
for(int i=0; i<n; i++)
for(int j=0; j<n; j++)
scanf("%d", &m[i][j]);
for(int i=0; i<n; i++)
for(int j=0; j<n; j++)
if( i!=j )
for(int k=0; k<n; k++)
if( i!=k && j!=k && m[i][j] > m[i][k] + m[k][j] )
m[i][j] = m[i][k] + m[k][j];
for(int i=0; i<n; i++)
{
if( i ) printf("\n");
printf("%d", m[i][0]);
for(int j=1; j<n; j++)
printf(" %d", m[i][j]);
}
return 0;
}