Cod sursa(job #2231134)

Utilizator shantih1Alex S Hill shantih1 Data 13 august 2018 03:45:38
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.58 kb
#include <iostream>
#include <fstream>

#define inf (1<<29)

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n,i,j,k;
int w[103][103], dm[103][103];

int main() {
	
	fin>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			dm[i][j]=inf;
	
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
		{
			fin>>w[i][j];
			if(w[i][j])	dm[i][j]=w[i][j];
		}
	
	for(i=1;i<=n;i++)
		dm[i][i]=0;
	
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				dm[i][j]=min(dm[i][j], dm[i][k]+dm[k][j]);
	
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			fout<<dm[i][j]<<" ";
		fout<<"\n";
	}
}