open judge 1.10 谁考了第K名

#include struct stu { int num; double score; }; int main() { int n, k, flag; struct stu a[105], t; scanf_s("%d%d", &n, &k); for (int i = 0; i < n; i++) { scanf_s("%d%lf", &a[i].num, &a[i].score); } for (int i = 1; i < n; i++) { flag = 1; for (int j = 0; j < n - i; j++) {