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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#246343#7523. Partially Free MealikefumyWA 1658ms21448kbC++204.2kb2023-11-10 19:13:242023-11-10 19:13:25

Judging History

你现在查看的是最新测评结果

  • [2023-11-10 19:13:25]
  • 评测
  • 测评结果:WA
  • 用时:1658ms
  • 内存:21448kb
  • [2023-11-10 19:13:24]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define db double
#define pii pair<int,int>
#define pli pair<ll,int>
#define pil pair<int,ll>
#define pll pair<ll,ll>
#define ti3 tuple<int,int,int>
#define int128 __int128_t
#define pii128 pair<int128,int128>
const int inf = 1 << 30;
const ll linf = 1e18;
const ll mod = 1e9 + 7;
const db EPS = 1e-10;
const db pi = acos(-1);
template<class T> bool chmin(T& x, T y){
    if(x > y) {
        x = y;
        return true;
    } else return false;
}
template<class T> bool chmax(T& x, T y){
    if(x < y) {
        x = y;
        return true;
    } else return false;
}

// overload macro
#define CAT( A, B ) A ## B
#define SELECT( NAME, NUM ) CAT( NAME, NUM )

#define GET_COUNT( _1, _2, _3, _4, _5, _6 /* ad nauseam */, COUNT, ... ) COUNT
#define VA_SIZE( ... ) GET_COUNT( __VA_ARGS__, 6, 5, 4, 3, 2, 1 )

#define VA_SELECT( NAME, ... ) SELECT( NAME, VA_SIZE(__VA_ARGS__) )(__VA_ARGS__)

// rep(overload)
#define rep( ... ) VA_SELECT(rep, __VA_ARGS__)
#define rep2(i, n) for (int i = 0; i < int(n); i++)
#define rep3(i, a, b) for (int i = a; i < int(b); i++)
#define rep4(i, a, b, c) for (int i = a; i < int(b); i += c)

// repll(overload)
#define repll( ... ) VA_SELECT(repll, __VA_ARGS__)
#define repll2(i, n) for (ll i = 0; i < (ll)(n); i++)
#define repll3(i, a, b) for (ll i = a; i < (ll)(b); i++)
#define repll4(i, a, b, c) for (ll i = a; i < (ll)(b); i += c)

// rrep(overload)
#define rrep( ... ) VA_SELECT(rrep, __VA_ARGS__)    
#define rrep2(i, n) for (int i = n - 1; i >= 0; i--)
#define rrep3(i, a, b) for (int i = b - 1; i >= a; i--)
#define rrep4(i, a, b, c) for (int i = b - 1; i >= a; i -= c)

// rrepll(overload)
#define rrepll( ... ) VA_SELECT(rrepll, __VA_ARGS__)
#define rrepll2(i, n) for (ll i = (ll)(n) - 1; i >= 0ll; i--)
#define rrepll3(i, a, b) for (ll i = b - 1; i >= (ll)(a); i--)
#define rrepll4(i, a, b, c) for (ll i = b - 1; i >= (ll)(a); i -= c)

// for_earh
#define fore(e, v) for (auto&& e : v)

// vector
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()

int n;
int l[200010], r[200010], lb[200010], ub[200010];
ll ans[200010], idx[200010];
bool used[200010];
int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(20);
    cin >> n;
    vector<pair<int, int>> m;
    rep (i, n) {
        int a, b;
        cin >> a >> b;
        m.push_back({b, a});
        r[i + 1] = n, ans[i + 1] = linf;
    }

    sort(all(m));
    vector<int> q = {(n + 2) / 2};
    lb[(n + 2) / 2] = 1, ub[(n + 2) / 2] = n + 1;
    while (!q.empty()) {
        vector<int> nq;
        ll res = linf, mnsum = 0;
        multiset<int> mn, rem;
        fore (k, q) {
            rep (i, l[k], r[k]) {
                auto [b, a] = m[i];
                if (!used[i]) rem.insert(a);
                used[i] = true;
                
                while (!rem.empty() && (int)mn.size() < k) {
                    mn.insert(*rem.begin());
                    mnsum += *rem.begin();
                    rem.erase(rem.begin());
                }

                while (!rem.empty() && !mn.empty()) {
                    int mnmx = *mn.rbegin(), remmn = *rem.begin();
                    if (mnmx > remmn) {
                        mnsum += remmn - mnmx;
                        mn.erase(mn.find(mnmx)), mn.insert(remmn);
                        rem.erase(rem.find(remmn)), rem.insert(mnmx);
                    } else {
                        break;
                    }
                }
                if ((int)mn.size() < k) continue;
                if (chmin(ans[k], mnsum + b)) idx[k] = i;
            }

            auto update = [&](int x, int y, int nl, int nr) -> void {
                if (x == y) return;
                int mid = (x + y) / 2;
                lb[mid] = x, ub[mid] = y, l[mid] = nl, r[mid] = nr;
                nq.push_back(mid);
            };

            update(lb[k], k, l[k], idx[k] + 1);
            update(k + 1, ub[k], idx[k], r[k]);
        }
        rep (i, n) used[i] = false;
        q = nq;
    }

    rep (i, 1, n + 1) {
        cout << ans[i] << '\n';
    }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 7500kb

input:

3
2 5
4 3
3 7

output:

7
11
16

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 1658ms
memory: 21448kb

input:

200000
466436993 804989151
660995237 756645598
432103296 703610564
6889895 53276988
873617076 822481192
532911431 126844295
623111499 456772252
937464699 762157133
708503076 786039753
78556972 5436013
582960979 398984169
786333369 325119902
930705057 615928139
924915828 506145001
164984329 208212435...

output:

1318594
3208018
5570526
7340845
9223347
11149865
12332210
15340548
14788280
16172895
20191467
19336633
20693779
26188993
23389851
25073157
32634854
28509336
30294967
42390625
33976461
35893858
44732441
39588384
41470886
53695832
45309771
47309654
58053996
50417767
52079411
61915560
55190044
56577630...

result:

wrong answer 8th lines differ - expected: '13476823', found: '15340548'