Cod sursa(job #3320894)

Utilizator mihaiflowFlorescu Mihai Eduard mihaiflow Data 7 noiembrie 2025 17:39:16
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-32 Status done
Runda Arhiva educationala Marime 0.65 kb
#include <iostream>
#include <fstream>

using namespace std;
int mat[101][101];

int main()
{
	ifstream f("royfloyd.in");
	ofstream g("royfloyd.out");

	int N;
	f >> N;
	for(int i = 1; i <= N; i++)
	{
		for(int j = 1; j <= N; j++)
		{
			f >> mat[i][j];
		}
	}
	for(int k = 1; k <= N; k++)
	{
		for(int i = 1; i <= N; i++)
		{
			for(int j = 1; j <= N; j++)
			{
				if(k != i && k != j)
				{
					if(mat[i][k] + mat[k][j] < mat[i][j])
						mat[i][j] = mat[i][k] + mat[k][j];
				}
			}
		}
	}
	for(int i = 1; i <= N; i++)
	{
		for(int j = 1; j <= N; j++)
		{
			g << mat[i][j] << " ";
		}
		g << '\n';
	}
    return 0;
}