Submission #74771614

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int long long

namespace io{const int __SIZE=(1<<21)+1;char ibuf[__SIZE],*iS,*iT,obuf[__SIZE],*oS=obuf,*oT=oS+__SIZE-1,__c,qu[55];int __f,qr,_eof;
#define Gc()(iS==iT?(iT=(iS=ibuf)+fread(ibuf,1,__SIZE,stdin),(iS==iT?EOF:*iS++)):*iS++)
	inline void flush(){fwrite(obuf,1,oS-obuf,stdout),oS=obuf;}inline void gc(char&x){x=Gc();}inline void pc(char x){*oS++=x;if(oS==oT)flush();}inline void pstr(const char*s){int __len=strlen(s);for(__f=0;__f<__len;++__f)pc(s[__f]);}inline void gstr(char*s){for(__c=Gc();__c<32||__c>126||__c==' ';)__c=Gc();for(;__c>31&&__c<127&&__c!=' '&&__c!='\n'&&__c!='\r';++s,__c=Gc())*s=__c;*s=0;}template<class I>inline bool gi(I&x){_eof=0;for(__f=1,__c=Gc();(__c<'0'||__c>'9')&&!_eof;__c=Gc()){if(__c=='-')__f=-1;_eof|=__c==EOF;}for(x=0;__c<='9'&&__c>='0'&&!_eof;__c=Gc())x=x*10+(__c&15),_eof|=__c==EOF;x*=__f;return!_eof;}template<class I>inline void print(I x){if(!x)pc('0');if(x<0)pc('-'),x=-x;while(x)qu[++qr]=x%10+'0',x/=10;while(qr)pc(qu[qr--]);}struct Flusher_{~Flusher_(){flush();}}io_flusher_;}using io::pc;using io::gc;using io::pstr;using io::gstr;using io::gi;using io::print;

constexpr int N=200010,INF=0x3f3f3f3f3f3f3f3f;
int n,a[N];
int ans=0,pre=0;

signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	sort(a+1,a+n+1);
	for(int i=1;i<=n;i++){
		ans+=a[i]*(i-1)-pre;
		pre+=a[i];
	}
	cout<<ans;
	return 0;
}

Submission Info

Submission Time
Task D - Sum of Height Differences
User zhchz
Language C++23 (GCC 15.2.0)
Score 400
Code Size 1499 Byte
Status AC
Exec Time 24 ms
Memory 5372 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 5
AC × 90
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt
All sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt, in69.txt, in70.txt, in71.txt, in72.txt, in73.txt, in74.txt, in75.txt, in76.txt, in77.txt, in78.txt, in79.txt, in80.txt, in81.txt, in82.txt, in83.txt, in84.txt, in85.txt
Case Name Status Exec Time Memory
in01.txt AC 1 ms 3608 KiB
in02.txt AC 1 ms 3548 KiB
in03.txt AC 1 ms 3560 KiB
in04.txt AC 1 ms 3648 KiB
in05.txt AC 1 ms 3548 KiB
in06.txt AC 1 ms 3468 KiB
in07.txt AC 1 ms 3608 KiB
in08.txt AC 1 ms 3596 KiB
in09.txt AC 1 ms 3632 KiB
in10.txt AC 1 ms 3632 KiB
in11.txt AC 22 ms 5212 KiB
in12.txt AC 17 ms 5244 KiB
in13.txt AC 23 ms 5296 KiB
in14.txt AC 15 ms 5284 KiB
in15.txt AC 12 ms 5260 KiB
in16.txt AC 1 ms 3696 KiB
in17.txt AC 1 ms 3692 KiB
in18.txt AC 11 ms 5260 KiB
in19.txt AC 8 ms 5260 KiB
in20.txt AC 8 ms 5272 KiB
in21.txt AC 10 ms 5136 KiB
in22.txt AC 11 ms 5296 KiB
in23.txt AC 10 ms 5260 KiB
in24.txt AC 11 ms 5272 KiB
in25.txt AC 9 ms 5132 KiB
in26.txt AC 22 ms 5260 KiB
in27.txt AC 15 ms 5352 KiB
in28.txt AC 12 ms 5296 KiB
in29.txt AC 1 ms 3632 KiB
in30.txt AC 11 ms 5160 KiB
in31.txt AC 12 ms 5132 KiB
in32.txt AC 13 ms 5372 KiB
in33.txt AC 12 ms 5260 KiB
in34.txt AC 12 ms 5372 KiB
in35.txt AC 11 ms 5136 KiB
in36.txt AC 17 ms 5136 KiB
in37.txt AC 1 ms 3532 KiB
in38.txt AC 1 ms 3632 KiB
in39.txt AC 1 ms 3824 KiB
in40.txt AC 1 ms 3724 KiB
in41.txt AC 1 ms 3472 KiB
in42.txt AC 1 ms 3532 KiB
in43.txt AC 2 ms 3736 KiB
in44.txt AC 18 ms 5296 KiB
in45.txt AC 12 ms 5196 KiB
in46.txt AC 12 ms 5136 KiB
in47.txt AC 11 ms 5288 KiB
in48.txt AC 13 ms 5296 KiB
in49.txt AC 17 ms 5296 KiB
in50.txt AC 22 ms 5264 KiB
in51.txt AC 22 ms 5148 KiB
in52.txt AC 12 ms 5372 KiB
in53.txt AC 11 ms 5196 KiB
in54.txt AC 22 ms 5272 KiB
in55.txt AC 19 ms 5132 KiB
in56.txt AC 18 ms 5160 KiB
in57.txt AC 22 ms 5312 KiB
in58.txt AC 23 ms 5136 KiB
in59.txt AC 24 ms 5148 KiB
in60.txt AC 22 ms 5224 KiB
in61.txt AC 22 ms 5160 KiB
in62.txt AC 14 ms 5284 KiB
in63.txt AC 23 ms 5272 KiB
in64.txt AC 11 ms 5372 KiB
in65.txt AC 1 ms 3648 KiB
in66.txt AC 18 ms 5296 KiB
in67.txt AC 1 ms 3548 KiB
in68.txt AC 1 ms 3632 KiB
in69.txt AC 1 ms 3472 KiB
in70.txt AC 1 ms 3620 KiB
in71.txt AC 1 ms 3620 KiB
in72.txt AC 1 ms 3696 KiB
in73.txt AC 1 ms 3596 KiB
in74.txt AC 1 ms 3608 KiB
in75.txt AC 1 ms 3468 KiB
in76.txt AC 10 ms 5212 KiB
in77.txt AC 9 ms 5136 KiB
in78.txt AC 2 ms 3888 KiB
in79.txt AC 2 ms 3740 KiB
in80.txt AC 1 ms 3596 KiB
in81.txt AC 1 ms 3524 KiB
in82.txt AC 13 ms 5260 KiB
in83.txt AC 14 ms 5160 KiB
in84.txt AC 11 ms 5312 KiB
in85.txt AC 15 ms 5160 KiB
sample01.txt AC 1 ms 3688 KiB
sample02.txt AC 1 ms 3532 KiB
sample03.txt AC 1 ms 3648 KiB
sample04.txt AC 1 ms 3484 KiB
sample05.txt AC 1 ms 3496 KiB