20194602自动生成四则运算题第一版报告

int PrintfTimu(int Tinumber, int resultT, int numberA, int numberB, int YN, int sign1)
{
    int i = 0;
    srand((unsigned)time(NULL));
    int sign[] = { 1, -1 };//符号控制数组;
    int sign2;//符号控制；数字一符号控制
    int sign4;//符号控制；数字二符号控制
    int sign3 = 0;//乘除符号控制；
    int a, b;//接收数字1，2；
    if (YN == 1)
    {
        sign3 = 4;
    }
    else
    {
        sign3 = 2;
    }

    if (sign1 == 1)
    {
        sign2 = 2;
        sign4 = 2;
    }
    else
    {
        sign2 = 1;
        sign4 = 1;
    }
    FILE *fpWrite = fopen("d:\\result.txt", "w");
    if (fpWrite == NULL)
    {
        return 0;
    }
    while (i < Tinumber)
    {
        switch (rand() % sign3)//随机加减乘除代码段
        {
        case 0:
            if (resultT < (a = sign[rand()%sign2]*(rand() % numberA + 1)) + (b = sign[rand() % sign4] * (rand() % numberB + 1)))
            {
                break;
            }
            else
            {
                if (b < 0)
                {
                    printf("%d+(%d)= ", a, b);
                    fprintf(fpWrite, "%d+(%d)= ", a, b);
                    fprintf(fpWrite, "\n");
                    i++;
                    printf("\n");
                    break;
                }
                printf("%d+%d= ", a, b);
                fprintf(fpWrite, "%d+%d= ", a, b);
                fprintf(fpWrite, "\n");
                i++;
                printf("\n");
            }; break;
        case 1:
            if (resultT < (a = sign[rand() % sign2] * (rand() % numberA + 1)) - (b = sign[rand() % sign4] * (rand() % numberB + 1)))
            {
                break;
            }
            else
            {
                if (b < 0)
                {
                    printf("%d-(%d)= ", a, b);
                    fprintf(fpWrite, "%d-(%d)= ", a, b);
                    fprintf(fpWrite, "\n");
                    i++;

                    printf("\n");
                    break;
                }
                printf("%d-%d= ", a, b);
                fprintf(fpWrite, "%d-%d= ", a, b);
                fprintf(fpWrite, "\n");
                i++;
                printf("\n");
            }; break;
        case 2:
            if (resultT < (a = sign[rand() % sign2] * (rand() % numberA + 1)) * (b = sign[rand() % sign4] * (rand() % numberB + 1)))
            {
                break;
            }
            else
            {
                if (b < 0)
                {
                    printf("%d*(%d)= ", a, b);
                    fprintf(fpWrite, "%d*(%d)= ", a, b);
                    fprintf(fpWrite, "\n");
                    i++;
                    printf("\n");
                    break;
                }
                printf("%d*%d= ", a, b);
                fprintf(fpWrite, "%d*%d= ", a, b);
                fprintf(fpWrite, "\n");
                i++;
                printf("\n");
            }; break;
        case 3:
            b = rand() % (numberB + 1);
            if (b == 0)
            {
                break;
            }
            if (resultT < (a = sign[rand() % sign2] * (rand() % numberA+1)) / (b = sign[rand() % sign4] * b))
            {
                break;
            }
            else
            {
                if (b < 0)
                {
                    printf("%d/(%d)= ", a, b);
                    fprintf(fpWrite, "%d/(%d)= ", a, b);
                    fprintf(fpWrite, "\n");
                    i++;

                    printf("\n");
                    break;
                }
                printf("%d/%d= ", a, b);
                fprintf(fpWrite, "%d/%d= ", a, b);
                fprintf(fpWrite, "\n");
                i++;
            
                printf("\n");
            }; break;
        }
    }
}