1063 弟弟的作业

// Test1063-弟弟的作业.cpp: 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <stdlib.h>


int main()
{
    int result = 0;
    while (1)
    {
        char list[12] = {};
        scanf_s("%s", list, 10);
        if (list[1] =='')
            break;
        int middle = 0;
        int sumpos = 0;
        int length = 0;
        int a, b, temp_sum,sum = 0;


        for (int i = 0;i<10; i++)
        {
            if ((list[i] == '+') || (list[i] == '-'))
                middle = i;
            if (list[i] == '=')
                sumpos = i;
            if (list[i] == '')
                length = i;
        }
        if (list[sumpos + 1] == '?')
            continue;


        if((middle-0)==2)
        {
            //printf("%d %d ", atoi(&list[0]), atoi(&list[1]));
            //a= atoi(&list[0])*10+atoi(&list[1]);
            a = atoi(&list[0]);

        }else
            a= atoi(&list[0]);

        if ((sumpos - middle - 1) == 2)
        {
            //b = atoi(&list[middle + 1]) * 10 + atoi(&list[middle+2]);
            b = atoi(&list[middle + 1]);
        }
        else
            b = atoi(&list[middle + 1]);

        if ((length - sumpos - 1) == 3)
            //sum = atoi(&list[sumpos + 1]) * 100 + atoi(&list[sumpos + 2]) * 10 + atoi(&list[sumpos + 3]);
            sum = atoi(&list[sumpos + 1]);
        else if ((length - sumpos - 1) == 2)
            //sum = atoi(&list[sumpos + 1]) * 10 + atoi(&list[sumpos + 2]);
            sum = atoi(&list[sumpos + 1]);
        else
            sum = atoi(&list[sumpos + 1]);



        if (list[middle] == '+')
            temp_sum = a + b;
        if (list[middle] == '-')
            temp_sum = a - b;
        if  (temp_sum== sum)
            result++;
        printf("%s
", list);


    }
    printf("%d
", result);



    //while ((c = getchar()) != EOF)
    //{
    //    putchar(c);
    //}

    return 0;
}

1+2=3
3-1=5
6+7=13
99-0=？
99-0=99
0
3
请按任意键继续. . .