#include<stdio.h>
int sum = 0;
int sum1 = 0;
int sum2 = 0;
int sum3 = 0;
struct NUM //一个运算符号整数存储
{
int one;
int two;
int three;
}stu[400];
struct NUM1 // 一个运算符号真分数存储
{
int first;//第一个数的分子
int first1;//第一个数的分母
int second;
int second1;
int result;
int result1;
}stu1[400];
struct NUM2 //两个运算符号的存储
{
int one;
int two;
int three;
int result;
}stu2[400];
struct NUM3 //带括号的四则运算
{
int one;
int two;
int three;
int result;
}stu3[400];
int show();
void show1();
int integer();//整数
int fraction();//分数
int complex();//多符号数
int braces();//带括号的
int error();
void main()
{
int a=1,b ;
while (a == 1)
{
b = show();
switch (b)
{
case 1: a = integer();
break;
case 2: a = fraction();
break;
case 3: a = complex();
break;
case 4: a = braces();
break;
case 5: a =error();
break;
default:a =0;
break;
}
}
show1();
}
int show()
{
int a;
printf("=========目录==========\n");
printf("1.整数运算\n");
printf("2.真分数运算\n");
printf("3.多运算符的运算\n");
printf("4.带括号的四则运算\n");
printf("5.错题记录\n");
printf("0.结束运算\n");
printf("请输入你想进行运算的序号\n");
scanf_s("%d", &a);
return a;
}
void show1()
{
printf("谢谢使用");
}
int integer()//整数
{
int a, b, c, m;
int s[10];
for (int i = 0; i < 10; i++)
{
a = stu[sum].one = rand() % 10 + 1;
b = stu[sum].two = rand() % 10 + 1;
int n = rand() % 4 + 1;
switch (n)
{
case 1: stu[sum].three = a + b;
printf("%d+%d=\t", a, b); break;
case 2: stu[sum].three = a - b;
printf("%d-%d=\t", a, b); break;
case 3: stu[sum].three = a*b;
printf("%d*%d=\t", a, b); break;
case 4: stu[sum].three = a /b;
printf("%d/%d=\t", a, b); break;
}
sum = sum + 1;
}
printf("请输入上面十题的答案\n");
for (int i = 0; i < 10; i++)
{
printf("%d.", i + 1);
scanf_s("%d", &s[i]);
}
for (int i = 0; i < 10; i++)
{
if (s[i] == stu[sum - 9 + i].three)
{
printf("√");
}
else {
printf("第%d题错误,正确答案是%d ", i + 1, stu[sum-9+i].three);
if (i == 9)
{
printf("\n");
}
}
}
printf("继续请按1，结束请按任意键\n");
scanf_s("%d", &m);
if (m == 1)
return 1;
else
return 0;
}
int fraction()//分数
{
int a, b, c, d, m;
int s[20];
for (int i = 0; i < 10; i++)
{
a = stu1[sum1].first = rand() % 10 + 1;
b = stu1[sum1].first1 = rand() % 10 + a;
c = stu1[sum1].second = rand() % 10 + 1;
d = stu1[sum1].second1 = rand() % 10 + c;
int n= rand() % 4 + 1;
switch (n)
{
case 1: stu1[sum1].result = a*d + c*b;
stu1[sum1].result1 = b*d;
printf("%d/%d+%d/%d=\t", a, b,c,d); break;
case 2: stu1[sum1].result = a*d - c*b;
stu1[sum1].result1 = b*d;
printf("%d/%d-%d/%d=\t", a, b, c, d); break;
case 3: stu1[sum1].result = a*c;
stu1[sum1].result1 = b*d;
printf("%d/%d*%d/%d=\t", a, b, c, d); break;
case 4: stu1[sum1].result = a*d;
stu1[sum1].result1 = b*c;
printf("%d/%d/%d/%d=\t", a, b, c, d); break;
}
sum = sum + 1;
}
printf("请输入上面十题的答案\n");
for (int i = 0; i < 10; i++)
{
printf("%d.分子", i + 1);
scanf_s("%d", &s[i]);
printf("%d.分母", i + 1);
scanf_s("%d", &s[i+10]);
}
for (int i = 0; i < 10; i++)
{
if (s[i] == stu1[sum1 - 9 + i].result&&s[i+10] == stu1[sum1 - 9 + i].result1)
{
printf("√");
}
else {
printf("第%d题错误,正确答案是%d/%d ", i + 1, stu1[sum1 - 9 + i].result, stu1[sum1 - 9 + i].result1);
if (i == 9)
{
printf("\n");
}
}
}
printf("继续请按1，结束请按任意键\n");
scanf_s("%d", &m);
if (m == 1)
return 1;
else
return 0;
}
int complex()//多符号数
{
int a, b, c, m;
int s[10];
for (int i = 0; i < 10; i++)
{
a = stu2[sum2].one = rand() % 10 + 1;
b = stu2[sum2].two = rand() % 10 + 1;
c = stu2[sum2].three = rand() % 10 + 1;
int n = rand() % 4 + 1;
switch (n)
{
case 1: stu2[sum2].result = (a*b)+ c;
printf("%d*%d+%d=\t", a, b, c); break;
case 2: stu2[sum2].result = a + (b * c);
printf("%d+%d*%d=\t", a, b, c); break;
case 3: stu2[sum2].result = (a*b) - c;
printf("%d*%d-%d=\t", a, b, c); break;
case 4: stu2[sum2].result = a - (b * c);
printf("%d-%d*%d=\t", a, b, c); break;
}
sum = sum + 1;
}
printf("请输入上面十题的答案\n");
for (int i = 0; i < 10; i++)
{
printf("%d.", i + 1);
scanf_s("%d", &s[i]);
}
for (int i = 0; i < 10; i++)
{
if (s[i] == stu2[sum2-9+i].result)
{
printf("√");
}
else {
printf("第%d题错误,正确答案是%d ", i + 1, stu2[i].result);
if (i == 9)
{
printf("\n");
}
}
}
printf("继续请按1，结束请按任意键\n");
scanf_s("%d", &m);
if (m == 1)
return 1;
else
return 0;
}
int braces()//带括号的
{
int a, b, c, m;
int s[10];
for (int i = 0; i < 10; i++)
{
a = stu3[sum3].one = rand() % 10 + 1;
b = stu3[sum3].two = rand() % 10 + 1;
c = stu3[sum3].three = rand() % 10 + 1;
int n = rand() % 4 + 1;
switch (n)
{
case 1: stu3[sum3].result = a*(b + c);
printf("%d*(%d+%d)=\t", a, b, c); break;
case 2: stu3[sum3].result = (a - b) * c;
printf("(%d-%d)*%d=\t", a, b, c); break;
case 3: stu3[sum3].result = a/(b - c);
printf("%d/(%d-%d)=\t", a, b, c); break;
case 4: stu3[sum3].result = (a + b )/ c;
printf("(%d-%d)/%d=\t", a, b, c); break;
}
sum = sum + 1;
}
printf("请输入上面十题的答案\n");
for (int i = 0; i < 10; i++)
{
printf("%d.", i + 1);
scanf_s("%d", &s[i]);
}
for (int i = 0; i < 10; i++)
{
if (s[i] == stu3[sum3 - 9 + i].result)
{
printf("√");
}
else {
printf("第%d题错误,正确答案是%d ", i + 1, stu2[i].result);
if (i == 9)
{
printf("\n");
}
}
}
printf("继续请按1，结束请按任意键\n");
scanf_s("%d", &m);
if (m == 1)
return 1;
else
return 0;
}
