RE了。。。。。。

lizesheng520 @ 2024-02-02 10:23:47

#include<bits/stdc++.h>
using namespace std;
struct student {
    string name;
    int score[3];
    int sum;
};
int main() {
    int maxn=0,maxcnt,n,scores[3] = {0};
    student temp[105];
    for(int i=0; i<n; i++) {
        cin>>temp[i].name;
        temp[i].score[i] = {0};
        for(int j=0; j<3; j++) {
            cin>>scores[j];
            temp[i].score[j]=scores[j];
        }
    }
    for(int i=0; i<n; i++) {
        temp[i].sum=0;
        temp[i].sum=temp[i].score[0]+temp[i].score[1]+temp[i].score[2];
    }
    for(int i=0; i<n; i++) {
        if(temp[i].sum>maxn) {
            maxn=temp[i].sum;
            maxcnt = i;
        }
    }
    cout<<temp[maxcnt].name<<" ";
    cout<<temp[maxcnt].score[0]<<" "<<temp[maxcnt].score[1]<<" "<<temp[maxcnt].score[2];
    return 0;
}

by Cuber_release @ 2024-02-02 10:31:07

没有输入变量n

而且n在主函数内定义

引用未定义变量会RE

by Cuber_release @ 2024-02-02 10:31:41

#include<bits/stdc++.h>
using namespace std;
struct student {
    string name;
    int score[3];
    int sum;
};
int main() {
    int maxn=0,maxcnt,n,scores[3] = {0};
    cin >> n;  // 初始化 n
    student temp[105];
    for(int i=0; i<n; i++) {
        cin>>temp[i].name;
        temp[i].score[i] = {0};
        for(int j=0; j<3; j++) {
            cin>>scores[j];
            temp[i].score[j]=scores[j];
        }
    }
    for(int i=0; i<n; i++) {
        temp[i].sum=0;
        temp[i].sum=temp[i].score[0]+temp[i].score[1]+temp[i].score[2];
    }
    for(int i=0; i<n; i++) {
        if(temp[i].sum>maxn) {
            maxn=temp[i].sum;
            maxcnt = i;
        }
    }
    cout<<temp[maxcnt].name<<" ";
    cout<<temp[maxcnt].score[0]<<" "<<temp[maxcnt].score[1]<<" "<<temp[maxcnt].score[2];
    return 0;
}