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Cod sursa(job #966231)
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <deque>
#include <list>
#include <string>
#include <algorithm>
using namespace std;
ifstream ff("test.in");
ofstream gg("test.out");
#define inf 0xffffff
int n, dd[101][101];
void roy(){
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j && i!=k && j!=k) dd[i][j]=min(dd[i][j], dd[i][k]+dd[k][j]);
}
int main(){
ff >> n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){ ff >> dd[i][j]; dd[i][j]==0?dd[i][j]=inf:0; }
roy();
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++) gg << (dd[i][j]==inf?0:dd[i][j]) << " "; gg << "\n"; }
return 0;
}