codice:
 
#include <cstdio>
#include <iostream>
#define N 3
#define DIM 10

using namespace std;

int main(int argc, char * argv[])
{
int arr[DIM];
for(int i = 0; i < DIM; i++)
{
       if(arr[i] == N)
          arr[i] = 0;
}

for(int i = 0; i < DIM;i++)
{
        char * num = (arr[i] == 0) ? 'N' : (char *) arr[i];
        printf("%s\n", &num);
        num = NULL;
}
   return 0;
}