生物实验室病毒信息排序：按传染性升序、致病性降序排列代码揭秘

```c #include <stdio.h> // 定义病毒结构体 typedef struct { int number; int Pi; int Di; } Virus; // 比较函数，用于qsort排序 int compare(const void *a, const void *b) { Virus *virusA = (Virus *)a; Virus *virusB = (Virus *)b; if (virusA->Pi != virusB->Pi) { return virusA->Pi - virusB->Pi; } return virusB->Di - virusA->Di; } int main() { int n; while (scanf("%d", &n) != EOF) { Virus viruses[100]; for (int i = 0; i < n; i++) { scanf("%d %d %d", &viruses[i].number, &viruses[i].Pi, &viruses[i].Di); } // 使用qsort函数进行排序 qsort(viruses, n, sizeof(Virus), compare); printf("result:\n"); for (int i = 0; i < n; i++) { printf("%d %d %d\n", viruses[i].number, viruses[i].Pi, viruses[i].Di); } } return 0; } ``` ######[AI问答 | 311点数解答 | 2025-12-19 17:42:00]