codeforces-1132-B

前缀和+排序

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#include<bits/stdc++.h>
using namespace std;
#define LOCALa
#define ll long long int
#define inf 0x3f3f3f3f
#define mset(a,b) memset(a,b,sizeof(a))
const int maxn=3e5+5;
ll a[maxn];
ll sum[maxn];
int n,m,q;
void solve(){
scanf("%d",&n);
for(int i=0;i<n;i++) scanf("%lld",a+i);
sort(a,a+n);
for(int i=1;i<=n;i++){
sum[i]=sum[i-1]+a[i-1];
}
scanf("%d",&m);
for(int i=0;i<m;i++){
scanf("%d",&q);
printf("%lld\n",sum[n]-sum[n-q+1]+sum[n-q]);
}
}
int main(){
#ifdef LOCAL
freopen("in.in","r",stdin);
#endif
solve();
return 0;
}
Author: universal42
Link: https://universal4s.github.io/2019/03/20/codeforces-1132-b/
Copyright Notice: All articles in this blog are licensed under CC BY-NC-SA 4.0 unless stating additionally.