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云代码 - c++代码库

口算本

2018-06-06 作者: Jobs举报

[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]




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