C語言結構體+數組實現學生學號成績的統計、排序

#include <stdio.h> #include <stdlib.h> #define N 32  struct student {  int num;  int sch;  }s[N]={{392,81},{304,80},{442,85},{517,90},{343,94},{403,85},{446,92}  ,{506,78},{948,90},{314,66},{983,62},{

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