0分求助

Ghy_boy @ 2023-11-01 18:43:03

#include<bits/stdc++.h>
using namespace std;
int d(int a,int b,char c,bool z){
    bool xe=0;
    if(c=='+'){return a+b;}
    if(c=='-'){return a-b;}
    if(c=='*'){return a*b;}
    if(c='/'){
        if(b==0) {z=1;return z;}
        if(b>0) return a/b;
    }

}
int main(){
    int a,b;
    char c;
    bool z=0;
    cin>>a>>b>>c;
    if(c != '+' && c != '-' && c != '*' && c != '/'){
        cout<<"Invalid operator!";
        return 0;
    }
    if(d(a,b,c,z)==1){
        cout<<"Divided by zero!";
        return 0;
    }
    else{
        cout<<d(a,b,c,z);
    }

    return 0;
}

by __zhy__ @ 2023-11-01 19:24:02

@1111111x

#include<bits/stdc++.h>
using namespace std;
int d(int a,int b,char c){
    if(c=='+'){return a+b;}
    if(c=='-'){return a-b;}
    if(c=='*'){return a*b;}
    if(c=='/'){
        if(b==0) return -2e9;
        if(b>0) return a/b;
    }

}
int main(){
    int a,b;
    char c;
    bool z=0;
    cin>>a>>b>>c;
    if(c != '+' && c != '-' && c != '*' && c != '/'){
        cout<<"Invalid operator!";
        return 0;
    }
    if(d(a,b,c)==-2e9){
        cout<<"Divided by zero!";
        return 0;
    }
    else{
        cout<<d(a,b,c);
    }

    return 0;
}

by Ghy_boy @ 2023-11-01 21:32:53

@zhenghaoyi 谢谢大佬