求助，编译失败，0分

IsFrog @ 2024-02-16 22:12:05

#include<bits/stdc++.h>
using namespace std;
 int n, ysf;
    char a;
    string b, c;
int b2, c2;
int cd(int x){
    int cnt=0;
    if(x<0 || x==0) cnt=1;
    while(x!=0){
        cnt++;
        x/=10;
    }
    return cnt;
}
int main(){
    cin << n;
    for(int i=0; i<n; i++){
        cout << a << b << c;
        if(a=='a') ysf=1;
        else if(a=='b') ysf=2;
        else if(a=='c') ysf=3;
        else if(a=='d') ysf=4;
        else{
            b=a+b;
        }
        for(int i=0; i<b.size(); i++) b2=b2*10+b[i]-'0';
        for(int i=0; i<c.size(); i++) c2=c2*10+c[i]-'0';
        int num=0
        if(ysf==1){
            cout << b2 << "+" << c2 << "=" << b2+c2 << endl << cd(b2)+cd(c2)+cd(b2+c2)+2 << endl;
        }
        else if(ysf==2){
            cout << b2 << "-" << c2 << "=" << b2-c2 << endl << cd(b2)+cd(c2)+cd(b2-c2)+2 << endl;
        }
        else if(ysf==3){
            cout << b2 << "*" << c2 << "=" << b2*c2 << endl << cd(b2)+cd(c2)+cd(b2*c2)+2 << endl;
        } 
        else{
            cout << b2 << "/" << c2 << "=" << b2/c2 << endl << cd(b2)+cd(c2)+cd(b2/c2)+2 << endl;
        }
    }
    return 0;
}

by kimi0705 @ 2024-02-16 22:13:42

#include<bits/stdc++.h>
using namespace std;
 int n, ysf;
    char a;
    string b, c;
int b2, c2;
int cd(int x){
    int cnt=0;
    if(x<0 || x==0) cnt=1;
    while(x!=0){
        cnt++;
        x/=10;
    }
    return cnt;
}
int main(){
    cin >> n; // ///////
    for(int i=0; i<n; i++){
        cout << a << b << c;
        if(a=='a') ysf=1;
        else if(a=='b') ysf=2;
        else if(a=='c') ysf=3;
        else if(a=='d') ysf=4;
        else{
            b=a+b;
        }
        for(int i=0; i<b.size(); i++) b2=b2*10+b[i]-'0';
        for(int i=0; i<c.size(); i++) c2=c2*10+c[i]-'0';
        int num=0; /////////
        if(ysf==1){
            cout << b2 << "+" << c2 << "=" << b2+c2 << endl << cd(b2)+cd(c2)+cd(b2+c2)+2 << endl;
        }
        else if(ysf==2){
            cout << b2 << "-" << c2 << "=" << b2-c2 << endl << cd(b2)+cd(c2)+cd(b2-c2)+2 << endl;
        }
        else if(ysf==3){
            cout << b2 << "*" << c2 << "=" << b2*c2 << endl << cd(b2)+cd(c2)+cd(b2*c2)+2 << endl;
        } 
        else{
            cout << b2 << "/" << c2 << "=" << b2/c2 << endl << cd(b2)+cd(c2)+cd(b2/c2)+2 << endl;
        }
    }
    return 0;
}

by IsFrog @ 2024-02-18 13:08:35

还是错的，“// /////”什么意思

by IsFrog @ 2024-02-18 13:10:09

@[kimi0705]()

by IsFrog @ 2024-02-18 13:21:27

RE...

#include<bits/stdc++.h>
using namespace std;
 int ysf;
    char a;
    string b, c;
int b2, c2;
int cd(int x){
    int cnt=0;
    if(x<0 || x==0) cnt=1;
    while(x!=0){
        cnt++;
        x/=10;
    }
    return cnt;
}
int main(){
    int n;
    cin >> n;
    for(int i=1; i<=n; ++i){
        cout << a << b << c;
        if(a=='a') ysf=1;
        else if(a=='b') ysf=2;
        else if(a=='c') ysf=3;
        else if(a=='d') ysf=4;
        else if(a>='0' && a<='9'){
            b=a+b;
        }
        for(int i=0; i<b.size(); i++) b2=b2*10+b[i]-'0';
        for(int i=0; i<c.size(); i++) c2=c2*10+c[i]-'0';
        if(ysf==1){
            cout << b2 << "+" << c2 << "=" << b2+c2 << endl << cd(b2)+cd(c2)+cd(b2+c2)+2;
        }
        else if(ysf==2){
            cout << b2 << "-" << c2 << "=" << b2-c2 << endl << cd(b2)+cd(c2)+cd(b2-c2)+2;
        }
        else if(ysf==3){
            cout << b2 << "*" << c2 << "=" << b2*c2 << endl << cd(b2)+cd(c2)+cd(b2*c2)+2;
        } 
        else{
            cout << b2 << "/" << c2 << "=" << b2/c2 << endl << cd(b2)+cd(c2)+cd(b2/c2)+2;
        }
        if(i<n) cout << endl;
    }
    return 0;
}
//wozhendehuixie,REfulenile

by Charles_with_wkc @ 2024-02-19 11:48:33

@lihua_miaowu

@kimi0705

没有除法

by Charles_with_wkc @ 2024-02-19 11:52:25

不一定是3个