原题链接:[编程入门]结构体之成绩统计2
先把数据读进来,然后遍历所有学生数据,保存最高分学生数据,分别保存所有学生三科成绩,输出时使用了accumulate()函数。
#include<bits/stdc++.h> using namespace std; struct student{ string xuehao; string name; double score[3]; int sum=0; }; int main(){ int n; cin >> n; struct student a[n]; struct student temp; for(int i=0;i<n;i++){ cin >> a[i].xuehao >> a[i].name >> a[i].score[0] >> a[i].score[1] >> a[i].score[2]; a[i].sum = a[i].score[0] + a[i].score[1] + a[i].score[2]; } int sum; vector<double> one,two,three; for(int i=0;i<n;i++){ one.push_back(a[i].score[0]); two.push_back(a[i].score[1]); three.push_back(a[i].score[2]); if(i==0){ sum = a[i].sum; temp = a[i]; } else{ if(sum<a[i].sum){ sum = a[i].sum; temp = a[i]; } } } cout << accumulate(one.begin(),one.end(),0.0)/n << " "; cout << accumulate(two.begin(),two.end(),0.0)/n << " "; cout << accumulate(three.begin(),three.end(),0.0)/n << endl; cout << temp.xuehao << " " << temp.name << " " << temp.score[0] << " " << temp.score[1] << " " << temp.score[2] << endl; return 0; }
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