제출 #589633

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
589633		nguyen31hoang08minh2003	Unija (COCI17_unija)	C++14	100 / 100	299 ms	31132 KiB

unija

/*
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+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|\:\/:/|
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+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
*/
#include <bits/stdc++.h>
#define fore(i, a, b) for (signed i = (a), i##_last = (b); i < i##_last; ++i)
#define fort(i, a, b) for (signed i = (a), i##_last = (b); i <= i##_last; ++i)
#define ford(i, a, b) for (signed i = (a), i##_last = (b); i >= i##_last; --i)
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
using namespace std;
using ll = long long;
using ld = long double;

template<class A, class B> bool maxi(A &a, const B &b) {return (a < b) ? (a = b, true):false;};
template<class A, class B> bool mini(A &a, const B &b) {return (a > b) ? (a = b, true):false;};

typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;

const int maxN = 1e6 + 5;

int n;
vii p;
ll res;
array<int, maxN> x, y;

int main() {
    ll mxy;
    #ifdef LOCAL
        freopen("input.INP", "r", stdin);
    #endif // LOCAL
    cin.tie(0) -> sync_with_stdio(0);
    cout.tie(0);
    cin >> n;
    fort(i, 1, n) {
        cin >> x[i] >> y[i];
        p.emplace_back(-(x[i] >> 1), y[i] >> 1);
    }
    sort(all(p));
    mxy = p.front().se;
    fore(i, 1, n) {
        res += mxy * (p[i].fi - p[i - 1].fi);
        maxi(mxy, p[i].se);
    }
    (res += (-p.back().fi) * mxy) <<= 2;
    cout << res << '\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