#include <iostream> using namespace std; // 定义学生结构体 struct Student { int id; int score; }; int main() { Student students[50]; // 输入学生信息 for (int i = 0; i < 50; i++) { cin >> students[i].id >> students[i].score; } // 输出成绩80分及以上的学生信息 for (int i = 0; i < 50; i++) { if (students[i].score >= 80) { cout << students[i].id << " " << students[i].score << endl; } } return 0; }