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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
#678600#9529. Farm Managementucup-team5226#WA 0ms3760kbC++202.4kb2024-10-26 15:28:442024-10-26 15:28:44

Judging History

你现在查看的是最新测评结果

  • [2024-10-26 15:28:44]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3760kb
  • [2024-10-26 15:28:44]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (ll i = 0; i < n; ++i)
void solve() {
    ll n, m;
    cin >> n >> m;
    vector<tuple<ll, ll, ll>> v;
    rep(i, n) {
        ll w, l, r;
        cin >> w >> l >> r;
        v.emplace_back(w, l, r);
    }
    sort(v.begin(), v.end());
    ll res = 0, rem = m;
    for (auto [w, l, r] : v) {
        rem -= l;
        res += w * l;
    }
    vector<pair<ll, ll>> p(n);
    rep(i, n) p[i].first = get<1>(v[i]);
    for (int i = n - 1; i >= 0; i--) {
        auto [w, l, r] = v[i];
        ll d = min(rem, r - l);
        res += w * d;
        rem -= d;
        p[i].second = p[i].first + d;
    }
    vector<ll> suml0, suml1, sumr0, sumr1;
    rep(i, n) {
        auto [w, l, r] = v[i];
        ll d = p[i].first - l;
        if (i == 0)
            suml0.push_back(d), suml1.push_back(w * d);
        else
            suml0.push_back(suml0.back() + d), suml1.push_back(suml1.back() + w * d);
    }
    for (int i = n - 1; i >= 0; i--) {
        auto [w, l, r] = v[i];
        ll d = r - p[i].second;
        if (i == n - 1)
            sumr0.push_back(d), sumr1.push_back(w * d);
        else
            sumr0.push_back(sumr0.back() + d), sumr1.push_back(sumr1.back() + w * d);
    }
    ll base = res;
    rep(i, n) {
        auto [w, l, r] = v[i];
        {
            ll idx = lower_bound(sumr0.begin(), sumr0.end(), p[i].first) - sumr0.begin();
            idx = min(idx, n - 1 - i - 1);
            ll val = 0, rem = p[i].first;
            if (idx) val += sumr1[idx - 1], rem -= sumr0[idx - 1];
            val += min(rem, sumr0[idx]) * get<0>(v[n - 1 - idx]);
            rem -= min(rem, sumr0[idx]);
            val -= (p[i].first - rem) * w;
            res = max(res, base + val);
        }
        {
            ll idx = lower_bound(suml0.begin(), suml0.end(), m - p[i].second) - suml0.begin();
            idx = min(idx, r - 1);
            ll val = 0, rem = m - p[i].second;
            if (idx) val -= suml1[idx] - 1, rem -= suml0[idx - 1];
            val -= min(rem, suml0[idx]) * get<0>(v[idx]);
            rem -= min(rem, suml0[idx]);
            val += (m - p[i].second - rem) * w;
            res = max(res, val);
        }
    }
    cout << res << endl;
}
int main() {
    int t = 1;
    // cin >> t;
    for (int i = 1; i <= t; i++) solve();
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3760kb

input:

5 17
2 3 4
6 1 5
8 2 4
4 3 3
7 5 5

output:

109

result:

ok single line: '109'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3464kb

input:

12 62
503792 9 10
607358 1 3
600501 10 10
33249 4 4
774438 6 6
197692 3 6
495807 8 8
790225 5 9
77272 3 8
494819 4 9
894779 3 9
306279 5 6

output:

35204500

result:

ok single line: '35204500'

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3716kb

input:

15 32
835418 2 3
178262 1 3
527643 2 2
519710 1 1
774544 3 3
82312 1 1
808199 1 1
809396 1 3
255882 1 3
80467 1 3
874973 1 3
813965 1 2
198275 1 2
152356 1 3
802055 1 1

output:

17015002

result:

wrong answer 1st lines differ - expected: '22000255', found: '17015002'