Submission #48511

#	Time	Username	Problem	Language	Result	Execution time	Memory
48511		leehosu01	수족관 3 (KOI13_aqua3)	C++17	18 / 100	1073 ms	2876 KiB

aqua3

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll cut[300002],N,K;
ll pro(int loc)
{
    ll tot=0,dep=1ll<<54;
    for(int i=loc;i<N-2;i+=2)
        tot+=(cut[i+2]-cut[i])*(dep=min(dep,cut[i+1]));
    dep=1ll<<54;
    for(int i=loc;i>0;i-=2)
        tot+=(cut[i]-cut[i-2])*(dep=min(dep,cut[i-1]));
    return tot;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>N;
    int i;
    ll aA[2];
    for(i=0;i<N;i++)
    {
        cin>>aA[0]>>aA[1];
        cut[i]=aA[i&1];
    }
    cin>>K;
    ll fl=0;
    for(i=0;i<N;i+=2)fl=max(fl,pro(i));
    printf("%lld",fl);
}

• Subtask 1: 18 / 18
• Subtask 2: 0 / 30
• Subtask 3: 0 / 21
• Subtask 4: 0 / 15
• Subtask 5: 0 / 16