제출 #1307075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1307075		chithanhnguyen	Sure Bet (CEOI17_sure)	C++20	0 / 100	2094 ms	572 KiB

sure

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ull unsigned long long
#define ld long double
#define pii pair<int, int>
#define fi first
#define se second
#define __builtin_popcount __builtin_popcountll
#define all(x) (x).begin(), (x).end()
#define BIT(x, i) (((x) >> (i)) & 1)
#define MASK(x) ((1ll << (x)))

#define debug(a, l, r) for (int _i = (l); _i <= (r); ++_i) cout << (a)[_i] << ' '; cout << '\n';

const int MAXN = 1e5 + 5;
int n;

signed main() {
    #ifdef NCTHANH
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr); cout.tie(nullptr);

    cin >> n;
    priority_queue<ld> pqa, pqb;
    for (int i = 1; i <= n; ++i) {
        ld a, b; cin >> a >> b;
        pqa.push(a); pqb.push(b);
    }

    ld suma = 0, sumb = 0, res = 0;
    int iter = 0;
    while (!pqa.empty() || !pqb.empty()) {
        if (pqa.empty() || !(suma < sumb)) {
            ld cur = pqb.top(); pqb.pop();
            // cout << cur << '\n';
            sumb += cur;
        }
        else if (pqb.empty() || suma < sumb) {
            ld cur = pqa.top(); pqa.pop();
            // cout << cur << '\n';
            suma += cur;
        }

        ++iter;
        // if (iter == 10) break;
        res = max(res, min(suma, sumb) - (ld)iter);
    }

    cout << fixed << setprecision(4);
    cout << res;

    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 40