#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<time.h> //The header file required to call the timestamp function
#include<stdlib.h> //The header file required to call rand to generate random numbers
void menu()
{ printf("##############################\n"); printf("#######1, game 0. exit#####\n"); // Create game menu function printf("############################# #\n"); } void game() { int x = 0; int ret = 0; ret = rand()%100+1; //Generate a random number between 1 and 100 while (1) {
printf("Please guess the number, the number is between 1 and 100\n");
scanf("%d", &x); //Enter the number
if (x > ret) //Determine whether the input number is greater than the generated random number
{ printf("guess too big\n"); } else if (x < ret) { printf("guess too small\n"); } else //Determine that the input number is equal to the generated random number { printf("Congratulations, You guessed it\n"); break; } } } int main() {
srand((unsigned int)time(NULL)); //use timestamp to generate random value
int a = 0;
do
{ menu(); printf("Please choose:\n"); scanf("%d", &a ); switch (a) { //Create a branch statement, divided into three cases case 1: game(); break; case 0: printf("Exit the game\n"); break; default: printf("Input error\ n"); break; } } while (a); return 0; }
The result of running the code is as follows:
