jiangmuran @ 2022-07-28 17:02:33

#include <iostream>

using namespace std;

#define int long long

string zhe_dao_ti_you_wen_ti(int NZYWT)
{
    int tmd=NZYWT;
    string s;
    while (tmd>0)
    {
        s+=tmd%10+'0';
        tmd/=10;
    }
    for (int i=0;i<s.size()/2;i++)
    {
        swap(s[i],s[s.size()-1-i]);
    }

    return s;
}

int zhedaotichutirenjiushizaizhemowomen(string shaderdsac)
{
    int ret=0;
    for (int i=0;i<shaderdsac.size();i++)
    {
        ret=ret*10+shaderdsac[i]-'0';
    }
    return ret;
}

string js(int a,int b,char op)
{
    int c;
    if (op == 'a')
    {
        op='+';
        c=a+b;
    }
    if (op == 'b')
    {
        op='-';
        c=a-b;
    }
    if (op == 'c')
    {
        op='*';
        c=a*b;
    }
    return zhe_dao_ti_you_wen_ti(a)+op+zhe_dao_ti_you_wen_ti(b)+'='+zhe_dao_ti_you_wen_ti(c);
}

signed main()
{
    int n;
    cin >> n;
    char c;
    int a,b;
    for(int i=0;i<n;i++)
    {
        string tmp;

        cin >> tmp;
        if (tmp[0] >= '0' && tmp[0] <= '9')
        {
            a = zhedaotichutirenjiushizaizhemowomen(tmp);
            cin >> b;
        }
        else
        {
            c=tmp[0];
            cin >> a >> b;
        }
        cout << js(a,b,c) << endl;
        cout << js(a,b,c).size() << endl;
    }

}

by jiangmuran @ 2022-07-29 21:23:58

zzzz

by CBC18 @ 2022-08-11 13:50:22

我也是20分

by CBC18 @ 2022-08-11 13:51:50

#include<bits/stdc++.h>
using namespace std;
struct lis{
    string s;
    int a,b;
}; 
int main(){
    int i;
    char str=' ';
    scanf("%d",&i);
    lis arr[i];
    for(int j=0;j<i;j++){
        cin>>arr[j].s>>arr[j].a>>arr[j].b;
        if((arr[j].s[0]>='a'&&arr[j].s[0]<='c')==false){
            arr[j].b=arr[j].a;
            arr[j].a=0;
            for(int k=0,o=arr[i].s.length();k<arr[j].s.length();k++,o--){
                arr[j].a=+(arr[j].s[k]-'0')*o; 

            }
            arr[j].s[0]=str;
        }else{
            str=arr[j].s[0];
        }
    }
    for(int j=0;j<i;j++){
        int sum=0,as=arr[j].a,bs=arr[j].b;
        if(arr[j].s[0]=='a'){
            int x=arr[j].a+arr[j].b,x2=arr[j].a-arr[j].b;
            cout<<arr[j].a<<'+'<<arr[j].b<<'='<<arr[j].a+arr[j].b<<endl;
            while(as){
                as/=10;
                sum++;
            }
            while(bs){
                bs/=10;
                sum++;
            }
            while(x){
                x/=10;
                sum++;
            }
            sum+=2;
            if(x2<0) sum++;
            cout<<sum<<endl;
        }else if(arr[j].s[0]=='b'){
            int x=arr[j].a-arr[j].b,x2=arr[j].a-arr[j].b;
            cout<<arr[j].a<<'-'<<arr[j].b<<'='<<arr[j].a-arr[j].b<<endl;
            while(as){
                as/=10;
                sum++;
            }
            while(bs){
                bs/=10;
                sum++;
            }
            while(x){
                x/=10;
                sum++;
            }
            sum+=2;
            if(x2<0) sum++;
            cout<<sum<<endl;
        }else if(arr[j].s[0]=='c'){
            int x=arr[j].a*arr[j].b,x2=arr[j].a-arr[j].b;
            cout<<arr[j].a<<'*'<<arr[j].b<<'='<<arr[j].a*arr[j].b<<endl;
            while(as){
                as/=10;
                sum++;
            }
            while(bs){
                bs/=10;
                sum++;
            }
            while(x){
                x/=10;
                sum++;
            }
            sum+=2;
            if(x2<0) sum++;
            cout<<sum<<endl;
        }
    }
    return 0;
}

我也疯了