四则运算题目生成程序

这个作业属于哪个课程	https://edu.cnblogs.com/campus/ahgc/AHPU-se-JSJ18
这个作业要求在哪里	https://edu.cnblogs.com/campus/ahgc/AHPU-se-JSJ18/homework/11377
这个作业的目标	写一个能自动生成小学四则运算题目的程序，并有额外的基本需求
学号	3180701330

include <stdio.h>

include <time.h>

include <stdlib.h>

include <string.h>

pragma warning(disable:4996)

pragma warning(disable:2198)

char getSignal();//运算符
int random(int a);//随机数
int gcd(int x, int y);//辗转相除法
int answers(int y, int num, int num1, int num2, int num3, int num4, char signal1, char signal2, char signal3, int r);//生成答案
int question(int y, int r)//生成题目
{
FILE *fp;//srand((unsigned)time(0));
int get;
int num, num1, num2, num3, num4;
char signal1, signal2, signal3;
signal1 = getSignal();
signal2 = getSignal();
signal3 = getSignal();
num1 = random(r);
num2 = random(r);
num3 = random(r);
num4 = random(r);
num = rand() % 3 + 1;
if (num == 1)
{
answers(y, num, num1, num2, num3, num4, signal1, signal2, signal3, r);
fp = fopen("Exercises.txt", "a");
fprintf(fp, "题目%d:%d %c %d = \n", y, num1, signal1, num2);
fclose(fp);
}
if (num == 2)
{
answers(y, num, num1, num2, num3, num4, signal1, signal2, signal3, r);
fp = fopen("Exercises.txt", "a");
fprintf(fp, "题目%d:%d %c %d %c %d = \n", y, num1, signal1, num2, signal2, num3);
fclose(fp);
}
if (num == 3)
{
answers(y, num, num1, num2, num3, num4, signal1, signal2, signal3, r);
fp = fopen("Exercises.txt", "a");
fprintf(fp, "题目%d:%d %c %d %c %d %c %d = \n", y, num1, signal1, num2, signal2, num3, signal3, num4);
fclose(fp);
}
return 0;
}
int main()
{
srand((unsigned)time(0));
FILE *fp;
fp = fopen("Exercises.txt", "w");
fclose(fp);
fp = fopen("Answers.txt", "w");
fclose(fp);
int n, r;
int y = 1;
char argv1[3];
char argv2[3];
//n=10,r=10;
scanf_s("%s", argv1);//-n
scanf_s("%d", &n);;
scanf_s("%s", argv2);//-r
scanf_s("%d", &r);
if (!strcmp(argv1, "-n") && !strcmp(argv2, "-r"))
{
while (n > 0)
{
question(y, r);
y++;
n--;
}
}
else printf_s("输入错误！");
return 0;
}

psp2.1	任务内容	计划完成需要的时间（min）	实际完成需要的时间（min）
Planning	计划	10	85
Estimate	估计这个任务需要多少时间，并规划大致工作步骤	10	10
Development	开发	100	180
Analysis	需求分析（包括学习新技术）	12	5
Design Spec	生成设计文档	5	5
Design Review	设计复审	5	5
Coding Standard	代码规范	3	2
Design	具体设计	10	12
Coding	具体编码	36	60
Code Review	代码复审	5	3
Test	测试（自我测试，修改代码，提交修改）	10	15
Reporting	报告	9	6
Test Report	测试报告	3	2
Size Measurement	计算工作量	2	1
Postmortem & Process Improvement Plan	事后总结，并提出过程改进计划	3	3