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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#433244#7750. Revenge on My Bossucup-team3215TL 1ms3572kbC++234.7kb2024-06-08 09:04:532024-06-08 09:04:54

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你现在查看的是最新测评结果

  • [2024-06-08 09:04:54]
  • 评测
  • 测评结果:TL
  • 用时:1ms
  • 内存:3572kb
  • [2024-06-08 09:04:53]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pl = pair<ll, ll>;


void solve() {
    ll n;
    cin >> n;
    ll sum = 0;
    vector<array<ll, 3>> a(n);
    for (auto &v: a) {
        for (auto &i: v)cin >> i;
        sum += v[0];
    }
    auto eval = [&](const vector<ll> &p) {
        ll res = 0;
        ll sa = 0, sb = 0;
        for (auto &v: a)sa += v[0];
        for (auto i: views::reverse(p)) {
            sb += a[i][1];
            res = max(res, (sa + sb) * a[i][2]);
            sa -= a[i][0];
        }
        return res;
    };
    ll l = 0, r = 1e18 + 123;
    while (r - l > 1) {
        ll m = (r + l) / 2;
        multiset<pl> invalid, valid;
        ll cur = 0;
        for (auto &v: a) {
            ll val = m / v[2] - sum - v[0];
            invalid.insert({v[1] - v[0] - val, v[1] - v[0]});
        }
        while (invalid.size() + valid.size()) {
            while (invalid.size() && invalid.begin()->first + cur <= 0) {
                auto it = *invalid.begin();
                invalid.erase(invalid.begin());
                valid.insert({it.second, it.first});
            }
            if (valid.empty())break;
            auto it = *valid.begin();
            if (it.second + cur > 0 || it.first > 0) {
                break;
            }
            valid.erase(valid.begin());
            cur += it.first;
        }
        if (invalid.size()) {
            l = m;
            continue;
        }
        {
            multiset<pl> f, s;
            for (auto &[x, y]: valid) {
                f.insert({x, -y});
                s.insert({-y, x});
            }
            while (f.size()) {
                auto it = *f.begin();
                f.erase(*f.begin());
                s.erase(s.find({it.second, it.first}));
                if (s.empty() || s.begin()->first >= cur + it.first) {
                    cur += it.first;
                    continue;
                }
                f.insert(it);
                s.insert({it.second, it.first});
                it = *s.begin();
                s.erase(s.begin());
                f.erase(f.find({it.second, it.first}));
                if (s.empty() || s.begin()->first >= cur + it.first) {
                    cur += it.first;
                    continue;
                }
                s.insert(it);
                f.insert({it.second, it.first});
                break;
            }
            if (f.size()) {
                l = m;
                continue;
            }
        }
        r = m;
    }
    vector<ll> ans;
    {
        ll m = r;
        multiset<array<ll, 3>> invalid, valid;
        ll cur = 0;
        for(int i = 0;i < n;++i){
            auto &v = a[i];
            ll val = m / v[2] - sum - v[0];
            invalid.insert({v[1] - v[0] - val, v[1] - v[0], i});
        }
        while (invalid.size() + valid.size()) {
            while (invalid.size() && (*invalid.begin())[0] + cur <= 0) {
                auto it = *invalid.begin();
                invalid.erase(invalid.begin());
                valid.insert({it[1], it[0], it[2]});
            }
            if (valid.empty())break;
            auto it = *valid.begin();
            if (it[1] + cur > 0 || it[0] > 0) {
                break;
            }
            valid.erase(valid.begin());
            cur += it[0];
            ans.push_back(it[2]);
        }
        {
            multiset<array<ll, 3>> f, s;
            for (auto &[x, y, z]: valid) {
                f.insert({x, -y, z});
                s.insert({-y, x, z});
            }
            while (f.size()) {
                auto it = *f.begin();
                f.erase(*f.begin());
                s.erase(s.find({it[1], it[0], it[2]}));
                if (s.empty() || (*s.begin())[0] >= cur + it[0]) {
                    cur += it[0];
                    ans.push_back(it[2]);
                    continue;
                }
                f.insert(it);
                s.insert({it[1], it[0], it[2]});
                it = *s.begin();
                s.erase(s.begin());
                f.erase(f.find({it[1], it[0], it[2]}));
                if (s.empty() || (*s.begin())[0] >= cur + it[0]) {
                    cur += it[0];
                    ans.push_back(it[2]);
                    continue;
                }
                s.insert(it);
                f.insert({it[1], it[0], it[2]});
                break;
            }
        }
    }
    reverse(ans.begin(), ans.end());
    for (auto x: ans) {
        cout << x + 1 << " ";
    }
    cout << "\n";
}

int main() {
    cin.tie(0)->sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--)solve();
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3572kb

input:

2
4
1 1 4
5 1 5
1 9 1
9 8 1
9
3 1 4
1 5 9
2 6 5
3 5 8
9 7 9
3 2 3
8 4 6
2 6 8
3 2 7

output:

3 1 2 4 
3 8 2 4 5 9 6 1 7 

result:

ok correct

Test #2:

score: -100
Time Limit Exceeded

input:

1
100000
581297 102863 1
742857 42686 1
676710 233271 1
443055 491162 1
442056 28240 1
769277 331752 1
8608 369730 1
495112 525554 1
787449 938154 1
441186 850694 1
84267 925450 1
740811 32385 1
834021 37680 1
257878 564126 1
90618 914340 1
239641 463103 1
40687 343062 1
587737 458554 1
103684 48666...

output:


result: