제출 #474705

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
474705	2021-09-19 13:41:32	vipghn2003	Bigger segments (IZhO19_segments)	C++14	100 / 100	194 ms	56008 KiB

segments

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#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pii pair<int,int>
#define mp make_pair
using namespace std;
const int N=5e5+5;
int n;
ll a[N];
map<int,int>dp[N];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    //freopen("Partition.INP","r",stdin);
    //freopen("Partition.OUT","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++) cin>>a[i];
    //reverse(a+1,a+n+1);
    for(int i=1;i<=n;i++) a[i]+=a[i-1];
    dp[1][0]=0;
    for(int i=1;i<n;i++)
    {
        while(dp[i].size()>1) dp[i].erase(dp[i].begin());
        for(auto&x:dp[i])
        {
            dp[i+1][x.fi]=max(dp[i+1][x.fi],x.se);
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27