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I get WA , need help .

It is my code :D :


#include<cstdio>
#include<cstdlib>
#include<cmath>
#define MAXVERT 400
#define INFINITO 1000000.0000
#define NULO -1

void inserta_grafo();
void max_dist();
void inicializar();
void floyd();
//void imprimir(double p[][MAXVERT]);
//void imprimir_padre(int ...