70分求助

siyuanaaa @ 2022-10-26 16:37:07

#include<cstdio>
#include<iostream>
using namespace std;
int main(){
    int n,chn[301],math,eng,score[301],sn[301];
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>chn[i]>>math>>eng;
        score[i]=chn[i]+math+eng;
        sn[i]=i;
    }
    for(int i=1;i<=5;i++){
        for(int j=i+1;j<=n;j++){
            if(score[j]>score[i]){
                int a=score[i];
                score[i]=score[j];
                score[j]=a;
                a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
            }else if(score[j]==score[i] && chn[j]>chn[i]){
                int a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
            }else if(score[j]==score[i] && chn[j]==chn[i] && sn[j]<sn[i]){
                int a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
            }
        } 
    }
    for(int i=1;i<=5;i++){
        cout<<sn[i]<<" "<<score[i]<<endl;
    }
    return 0;
}

by Light_az @ 2022-10-26 16:43:15

交换时不能只交换一个变量，应将总分，学号，语文成绩一起调换

@siyuanaaa

by Light_az @ 2022-10-26 16:45:39

#include<iostream>
using namespace std;
int main(){
    int n,chn[301],math,eng,score[301],sn[301];
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>chn[i]>>math>>eng;
        score[i]=chn[i]+math+eng;
        sn[i]=i;
    }
    for(int i=1;i<=5;i++){
        for(int j=i+1;j<=n;j++){
            if(score[j]>score[i]){
                int a=score[i];
                score[i]=score[j];
                score[j]=a;
                a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
                a=chn[i];
                chn[i]=chn[j];
                chn[j]=a;
            }else if(score[j]==score[i] && chn[j]>chn[i]){
                int a=score[i];
                score[i]=score[j];
                score[j]=a;
                a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
                a=chn[i];
                chn[i]=chn[j];
                chn[j]=a;
            }else if(score[j]==score[i] && chn[j]==chn[i] && sn[j]<sn[i]){
                int a=score[i];
                score[i]=score[j];
                score[j]=a;
                a=sn[i];
                sn[i]=sn[j];
                sn[j]=a;
                a=chn[i];
                chn[i]=chn[j];
                chn[j]=a;
            }
        } 
    }
    for(int i=1;i<=5;i++){
        cout<<sn[i]<<" "<<score[i]<<endl;
    }
    return 0;
}

by siyuanaaa @ 2022-10-26 17:04:14

@lianzhuo

十分感谢，这道题过了