编辑代码

#include <stdio.h>
int main () {
    int z;
    printf("Please input a number>>> ");
    scanf("%d", &z);
    int b = 1;
    int i;
    int a = 0;
    int c;
    int d;
    d = z + 1;
    while (a < 19) {  
      for (i = 2; i < d; ++i) {
        if (d % i == 0) {
          b = 0;
          break;
        } else {
          b = 1;
          continue;
        }
      }  
    if (b == 0) {
        d = d + 1;
        a = a;
    } else {
        c = d;
        d = d + 1;
        a = a + 1;
    }  
    }
    printf("The nineteenth prime number greater than value0 is %d.", c);
}