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  1. #include <stdio.h>
  2. #include <math.h>
  3. #include <string.h>
  4.  
  5. typedef struct thongtin {
  6.     char msv[50];
  7.     char hoten[50];
  8.     char lop[50];
  9.     double mon1,mon2,mon3;
  10. }tt;
  11.  
  12. int comparebyname(const void *s1, const void *s2) {
  13.     return strcmp(((tt*)s1) -> msv,((tt*)s2) -> msv);
  14. }
  15.  
  16. int main() {
  17.     tt a[100];
  18.     int n;
  19.     scanf("%d",&n);
  20.     for(int i=0;i<n;i++) {
  21.         scanf("\n");
  22.         gets(a[i].msv);
  23.         gets(a[i].hoten);
  24.         gets(a[i].lop);
  25.         scanf("\n");
  26.         scanf("%lf",&a[i].mon1);
  27.         scanf("%lf",&a[i].mon2);
  28.         scanf("%lf",&a[i].mon3);
  29.     }
  30.     qsort(a,n,sizeof(tt),comparebyname);
  31.     for(int i=0;i<n;i++) {
  32.         printf("%d %s %s %s %.1lf %.1lf %.1lf\n",i+1,a[i].msv,a[i].hoten,a[i].lop,a[i].mon1,a[i].mon2,a[i].mon3);
  33.     }
  34. }
Success #stdin #stdout 0s 5292KB
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https://ideone.com/wlPMr8
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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