제출 #370179

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
370179		Atill83	Unija (COCI17_unija)	C++17	90 / 100	1078 ms	28448 KiB

unija

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;
    set<pii> st;
    for(int i = 0; i < n; i++){
        int x, y;
        cin>>x>>y;
        x /= -2;
        y /= 2;
        auto u = st.lower_bound({x, mod});
        while(u != st.end() && (*u).ss <= y)
            u = st.erase(u);
        
        if(u != st.begin() && (*prev(u)).ss >= y) 
            continue;
        st.insert({x, y});
    }

    ll pos = -mod, ans = 0, heg = 0;
    

    for(auto u = st.begin(); u != st.end(); u++){
        ll ex = ((*u).ff - pos) * heg;
        ans += ex;
        heg = (*u).ss;
        pos = (*u).ff;
    }

    ans += -pos*heg;

    cout<<4*ans<<endl;  



    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10