C 程式設計作業一(B)，選擇邏輯與輸出、輸入應用：解題

/* C Programming, Project 1B */
#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    int price, shampoo_L, shampoo_S, conditioner_L, conditioner_S;
    int free_S, isOdd;
    
    printf("Enter large shampoo number:");
    scanf("%d", &shampoo_L);
    printf("Enter large conditioner number:");
    scanf("%d", &conditioner_L);
    printf("Enter small shampoo number:");
    scanf("%d", &shampoo_S);
    printf("Enter small conditioner number:");
    scanf("%d", &conditioner_S);
    
    free_S = (shampoo_L+conditioner_L)/2;
    isOdd = (shampoo_L+conditioner_L)%2;
    if (isOdd==1) 
    {
        if (shampoo_L>0) 
        {
            if (conditioner_S > free_S) 
            {
                conditioner_S -= free_S;
                free_S = 0;
            } else {
                free_S -= conditioner_S;
                conditioner_S = 0;
            }
            if (free_S > 0) 
            {
                if (shampoo_S > free_S)
                    shampoo_S -= free_S;
                else
                    shampoo_S = 0;
            }
        } else if (conditioner_L>0) {
            if (shampoo_S > free_S) 
            {
                shampoo_S -= free_S;
                free_S = 0;
            } else {
                free_S -= shampoo_S;
                shampoo_S = 0;
            }
            if (free_S > 0) 
            {
                if (conditioner_S > free_S)
                    conditioner_S -= free_S;
                else
                    conditioner_S = 0;
            }
        }
    } else {
        if (shampoo_S>0) {
            if (shampoo_S > free_S) 
            {
                shampoo_S -= free_S;
                free_S = 0;
            } else {
                free_S -= shampoo_S;
                shampoo_S = 0;
            }
            if (free_S > 0) 
            {
                if (conditioner_S > free_S)
                    conditioner_S -= free_S;
                else
                    conditioner_S = 0;
            }
        } else if (conditioner_S>0) {
            if (conditioner_S > free_S) 
            {
                conditioner_S -= free_S;
                free_S = 0;
            } else {
                free_S -= conditioner_S;
                conditioner_S = 0;
            }
            if (free_S > 0) 
            {
                if (shampoo_S > free_S)
                    shampoo_S -= free_S;
                else
                    shampoo_S = 0;
            }
        }
    }
    if (isOdd==1  && ((shampoo_L>0 && shampoo_S>0) || (conditioner_L>0 && conditioner_S>0)))
        price = (shampoo_L+conditioner_L)*280+(shampoo_S+conditioner_S-1)*150+150*0.6;
    else 
        price = (shampoo_L+conditioner_L)*280+(shampoo_S+conditioner_S)*150;

    if (shampoo_L+conditioner_L >=6)
        price *= 0.95;
    
    printf("Price checkout:\n\n");
    printf("Large shampoo x %d\n", shampoo_L);
    printf("Large conditioner x %d\n", conditioner_L);
    printf("Small shampoo x %d\n", shampoo_S);
    printf("Small conditioner x %d\n", conditioner_S);
    printf("\nPrice = %d\n", price);

    system("pause");
    return 0;
}

請參考下方流程圖，此圖僅顯示針對偶數大瓶裝處理的過程。

作業一(B)題目
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