제출 #873658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
873658		vjudge1	Unija (COCI17_unija)	C++17	100 / 100	209 ms	7000 KiB

unija

#include<bits/stdc++.h>
#ifdef LOCAL
#include "Essentials/algo/debug.h"
#else
#define debug(...) 69
#endif
using namespace std;

typedef long long     ll;
typedef pair<int,int> pii;

const int N =1e7 + 23;
const ll inf = 1e18;

#define F           first
#define S           second
#define pb          push_back
#define kill(x)     cout<<x<<endl, exit(0);
#define all(x)      x.begin(),x.end()
#define sz(x)       (int)x.size()
#define lc          (v << 1)
#define rc          ((v<<1) |1)
//#define int         ll	
#define chmax(x,y)  (x = max(x,y))

int n;
int a[N];

int32_t main() {
    cin.tie(nullptr)->sync_with_stdio(false);
	cin>>n;
	for(int i = 0 ; i< n ;i ++) {
		int x,y; cin>>x>>y;
		chmax(a[x/2],y);
	}
	int mx=0;
	ll ans=0;
	for(int i = N-1; i>= 1; i --) {
		chmax(mx,a[i]);
		ans += mx;
	}
	cout<<ans*2 << '\n';
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10