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Cod sursa(job #705616)
#include<fstream>
#define inf 1001
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n,a[101][101];
void citire(){
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
in>>a[i][j];
if(a[i][j]==0)
a[i][j]=1001;
}
}
void roy()
{
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
for(int k=1;k<=n;k++){
if(a[j][k]>a[j][i]+a[i][k])
a[j][k]=a[j][i]+a[i][k];
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(i==j)
out<<'0'<<' ';
else{
if(a[i][j]==1001) out<<'0'<<' ';
else out<<a[i][j]<<' ';}
}
out<<'\n';
}
}
int main(){
citire();
roy();
return 0;
}