随机猜数小游戏

#include<stdio.h>
#include<time.h>
#include<stdlib.h>

int game(int x) {
  int r = 0;
  r=rand()%100+1;
  while (1) {
    printf("请输入你想要猜的数值:\n");
    scanf_s("%d", &x);
    if (x == r) {
      printf("恭喜猜中\n");
      break;
    }
    else if (x < r) {
      printf("小了，请往大猜\n");
    }
    else {
      printf("大了，请往小处猜\n");
    }
  }
}

int main() {
  int a = 0;
  int sel = 0;
  int n = 0;
  srand((unsigned int)time(NULL));

  do {
    printf("############################\n");
    printf("###### 1.play   0.end ######\n");
    printf("############################\n");
    printf("请选择：");
    scanf_s("%d", &sel);

    switch (sel) {
    case 1:
      game(a);
      n++;
      printf("恭喜您已经通关%d次\n",n);
      break;
    case 0:
      printf("退出游戏");
      break;
    default:
      printf("请重新输入0/1\n");
      break;
    }
  } while (sel);
  return 0;
}