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Cod sursa(job #908842)
#include<stdio.h>
int n;
int M[101][101];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
scanf("%d",&M[i][j]);
if(M[i][j]==0 && i!=j )
M[i][j]=5000;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(M[i][j]>M[i][k]+M[k][j])
M[i][j]=M[i][k]+M[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
printf("%d ",M[i][j]);
printf("\n");
}
}