[c++]代码库
#include<iostream>
#include<iomanip>
#include<ctime>
using namespace std;
int add_test(){
int x,y,z,f,c=0,score=0;
time_t t;
srand(time(&t));
f=rand()%51;
cout<<"加法测验(共 n 题)"<<endl;
for(int i=0;i<=f;i++){
c++;
x=rand()%21;
y=rand()%21;
cout<<c<<"、"<<setw(2)<<x<<" + "<<setw(2)<<y<<" = ";
cin>>z;
if(x+y==z)
score += 10;
}
return score;
}
int sub_test(){
int x,y,z,f,c=0,score=0;
time_t t;
srand(time(&t));
f=rand()%31;
cout<<"减法测验(共 n 题)"<<endl;
for(int i=0;i<=f;i++){
c++;
x=rand()%51;
y=rand()%21;
cout<<c<<"、"<<setw(2)<<x<<" - "<<setw(2)<<y<<" = ";
cin>>z;
if(x-y==z)
score += 10;
}
return score;
}
int chn_test(){
int x,y,z,f,c=0,score=0;
time_t t;
srand(time(&t));
f=rand()%21;
cout<<"乘法测验(共 n 题)"<<endl;
for(int i=0; i<=f;i++){
c++;
x=rand()%21;
y=rand()%11;
cout<<c<<"、"<<setw(2)<<x<<" * "<<setw(2)<<y<<" = ";
cin>>z;
if(x*y==z)
score += 10;
}
return score;
}
int chu_test(){
int x,y,z,f,c=0,score=0;
time_t t;
srand(time(&t));
f=rand()%11;
cout<<"除法测验(共 n 题)"<<endl;
for(int i=0;i<=f;i++){
c++;
x=rand()%51;
y=rand()%11;
cout<<c<<"、"<<setw(2)<<x<<" ÷ "<<setw(2)<<y<<"="<<" ";
cin>>z;
if(x/y==z)
score += 10;
}
return score;
}
[源代码打包下载]
初级程序员
by: 想要吃掉柠檬 发表于:2018-07-05 22:07:50 顶(0) | 踩(0) 回复
好,果然等级太低看不懂,下载看看能不能理解,感谢分享。
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