猜測遊戲幫助需要隨機數

Question

因此，我的代碼使用C有問題。還沒有學習如何使用do/while命令。我永遠無法看到最終的結果是正確的。 我試着編碼顯示隨機（9例如） 我按9並說太低。然後在最後，隨機數表示爲14. 我不確定在整個用戶的輸入嘗試中如何使隨機數保持一致。

// This is a guessing game. You have 4 attempts to guess the number between 1-20. 
#include <stdio.h> 
#include <stdlib.h> 
#include <time.h> 

int main(){ 

    int usersInput; 
    int range; 
    range = rand() %21; 

    printf("Hello and welcome to my game! I have a number in my head between 1-20.\n"); 
    printf("Try and guess what it is.\n"); 
    printf("Please enter your guess as an integer.\n"); 
    scanf("%d", &usersInput); 
// These are the cases for your first attempted 
// Attempt 1 
    if (usersInput > range) { 
     printf("Your guess is too high. Please try again\n"); 
    } 
    else if (usersInput < range){ 
     printf("Your guess is too low. Please try again\n"); 
    } 
    else if (usersInput == range){ 
     printf("You are correct! Congratulations, you win!!\n"); 
    return 0; 
    } 
// Attempt 2   
    scanf("%d", &usersInput); 
    if (usersInput > range){ 
     printf("Your guess is too high. Please try again\n"); 
    } 
    else if(usersInput < range){ 
     printf("Your guess is too low. Please try again\n"); 
    } 
    else if(usersInput == range){ 
     printf("You are correct! Congratulations, you win!!\n"); 
    return 0; 
    } 
// Attempt 3 
    scanf("%d", &usersInput); 
    if (usersInput > range){ 
     printf("Your guess is too high. Please try again\n"); 
    } 
    else if(usersInput < range){ 
     printf("Your guess is too low. Please try again\n"); 
    } 
    else if(usersInput == range){ 
     printf("You are correct! Congratulations, you win!!\n"); 
    return 0; 
    } 
// Attempt 4 
    scanf("%d", &usersInput); 
    if (usersInput > range){ 
     printf("Your guess is too high. You lose!\n"); 
     printf("the random number is %d \n", rand() %21); 
    } 
    else if(usersInput < range){ 
     printf("Your guess is too low. You Lose!\n"); 
     printf("the random number is %d \n", rand() %21); 
    } 
    else if(usersInput == range){ 
     printf("You are correct! Congratulations, you win!!\n"); 
     printf("the random number is %d \n", rand() %21); 
     return 0; 
    } 
} 

Answer 1

的問題是純粹的輸出在最後 - 你輸出的rand()，而不是你在一開始確定的值range結果：

printf("the random number is %d \n", rand() %21); 

應該

printf("the random number is %d \n", range);