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Cod sursa(job #605502)
#include<iostream.h>
#include<fstream.h>
int main()
{int i,j,a[200][200],k,n,inf=0x3f3f3f3f;
ifstream f("royfloyd.in");
ofstream h("royfloyd.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{ f>>a[i][j];
if(a[i][j]==0&&i!=j)
a[i][j]=inf;}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[k][j]+a[i][k]<a[i][j]&&i!=k&&j!=k)
a[i][j]=a[k][j]+a[i][k];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
h<<a[i][j]<<" ";
h<<"\n";}
return 0;}