这题不是这个意思!
by brown_me @ 2023-07-13 15:13:19
它合并完了还存(huo)在(zhe)
by brown_me @ 2023-07-13 15:14:06
@[Zacharyzhong](/user/556528) 同问!本蒟蒻还是不理解
by LIUYITIAN300 @ 2023-07-25 08:57:38
本蒟蒻也不明白
by Y_QWQ_Y @ 2023-07-27 10:41:21
为啥我也只AC了一个点?
```cpp
#include<bits/stdc++.h>
#define ll unsigned long long
#define dl double
#define bl bool
#define ch char
#define st string
#define f(i,a,b) for(ll (i)=(a);(i)<=(b);(i)++)
#define r(i,a,b) for(ll (i)=(a);(i)>=(b);(i)--)
using namespace std;
ll n,a[10001];
int main(){
// freopen(".in","r",stdin);
// freopen(".out","w",stdout);
cin>>n;
f(i,1,n)cin>>a[i];
sort(a+1,a+n+1);
ll ans=0;
f(i,2,n){
ans+=a[i]+a[i-1];
a[i]+=a[i-1];
}
printf("%lld",ans);
return 0;
}
```
by Y_QWQ_Y @ 2023-07-27 10:46:00
@[Wyz2012dingding](/user/677091) 说了,这题合并完的果子还在!
by brown_me @ 2023-08-05 17:46:13
就是说合并了A和B两堆,那么会变成A+B的一堆,而没有了A、B两堆
by brown_me @ 2023-08-05 17:48:01
@[Wyz2012dingding](/user/677091) 比如说有4 6 7 8四堆,你会合并4 6,10 7,17 8,要耗52,但最省的是4 6,7 8,15 10,只用50
by brown_me @ 2023-08-05 20:38:45
提问:怎么写?
加一次排一次会超时
by Y_QWQ_Y @ 2023-08-06 12:31:47