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极度水题,贴代码(给不会用sort的菜鸟们)不说了, #include<stdio.h> #include<stdlib.h> int cmp( const void *e1, const void *e2){ return *(int *)e2-*(int *)e1; }; int money[20001]; int main() { int i; int n; int t,sum; while(scanf("%d",&t)!=EOF){ while(t--){ sum=0; scanf("%d",&n); for(i=0;i<n;i++) scanf("%d",&money[i]); qsort(money,n,sizeof(money[0]),cmp); for(i=2;i<n;i+=3) sum+=money[i]; printf("%d\n",sum); } } return 0; } Followed by:
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