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Cod sursa(job #976498)
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int c[111][111],n;
int main(void){
register int i,j,k;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>c[i][j];
for(k=1;k<=n;k++){
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(i!=j && k!=i && k!=j && c[i][j]>c[i][k]+c[k][j])
c[i][j]=c[i][k]+c[k][j];
}
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
g<<c[i][j]<<" ";
g<<"\n";
}
f.close();
g.close();
return 0;
}