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Cod sursa(job #964608)
#include <iostream>
#include <fstream>
#include <math.h>
#define max 110
using namespace std;
int matrix[max][max];
int main(){
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i, j, k, sum, size;
fin>>size;
for(i = 0; i < size; i++){
for(j = 0; j < size; j++){
fin>>matrix[i][j];
}
}
for(k = 0; k < size; k++){
for(i = 0; i < size; i++){
for(j = 0; j < size; j++){
if( matrix[i][k] != 0 && matrix[k][j] != 0 && (matrix[i][j] > matrix[i][k] + matrix[k][j] || matrix[i][j] == 0) && i != j)
matrix[i][j] = matrix[i][k] + matrix[k][j];
}
}
}
for(i = 0; i < size; i++){
for(j = 0; j < size; j++){
fout<<matrix[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}