Submission #74604045

Source Code Expand

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

vector<long long> tr[400005], a[100005];
int n, m, q, K;

vector<long long> gsort(vector<long long> &a, vector<long long> &b) {
    vector<long long> ret;
    ret.reserve(a.size() + b.size());
    int i = 0, j = 0;
    while (i < a.size() && j < b.size()) {
        if (a[i] < b[j]) ret.push_back(a[i++]);
        else ret.push_back(b[j++]);
    }
    while (i < a.size()) ret.push_back(a[i++]);
    while (j < b.size()) ret.push_back(b[j++]);
    return ret;
}

void build(int o, int l, int r) {
    if (l == r - 1) {
        tr[o] = a[l];
        return;
    }
    int mid = (l + r) / 2;
    build(o*2, l, mid);
    build(o*2+1, mid, r);
    tr[o] = gsort(tr[o*2], tr[o*2+1]);
}

long long query(int o, int l, int r, int L, int R, long long T) {
    // ======================
    // 【终极BUG】在这里！！！
    // 你之前写的是：r <= L || l >= R
    // 正确应该是：r <= L || l >= R  →  没错！
    // ======================
    if (r <= L || l >= R) return 0;
    if (L <= l && r <= R) {
        auto &v = tr[o];
        return v.end() - lower_bound(v.begin(), v.end(), T);
    }
    int mid = (l + r) / 2;
    return query(o*2, l, mid, L, R, T) + query(o*2+1, mid, r, L, R, T);
}

int main() {
    ios::sync_with_stdio(false); cin.tie(0);
    cin >> n >> m >> q >> K;
    for(int i=1; i<=m; i++) {
        int w; long long p;
        cin >> w >> p;
        a[w].push_back(p);
    }
    // 排序！必须！
    for(int i=1; i<=n; i++) sort(a[i].begin(), a[i].end());
    
    build(1, 1, n+1);
    
    while(q--) {
        int L, R; long long T;
        cin >> L >> R >> T;
        long long c = query(1, 1, n+1, L, R, T);
        cout << max(c - K, 0LL) << '\n';
    }
    return 0;
}

Submission Info

Submission Time
Task E - Library Book Search
User xiaoyaoteng
Language C++23 (GCC 15.2.0)
Score 0
Code Size 1827 Byte
Status WA
Exec Time 207 ms
Memory 32420 KiB

Compile Error

./Main.cpp: In function 'std::vector<long long int> gsort(std::vector<long long int>&, std::vector<long long int>&)':
./Main.cpp:11:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while (i < a.size() && j < b.size()) {
      |            ~~^~~~~~~~~~
./Main.cpp:11:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while (i < a.size() && j < b.size()) {
      |                            ~~^~~~~~~~~~
./Main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     while (i < a.size()) ret.push_back(a[i++]);
      |            ~~^~~~~~~~~~
./Main.cpp:16:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     while (j < b.size()) ret.push_back(b[j++]);
      |            ~~^~~~~~~~~~

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 466
Status
AC × 1
WA × 4
AC × 29
WA × 65
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt
All sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt, in69.txt, in70.txt, in71.txt, in72.txt, in73.txt, in74.txt, in75.txt, in76.txt, in77.txt, in78.txt, in79.txt, in80.txt, in81.txt, in82.txt, in83.txt, in84.txt, in85.txt, in86.txt, in87.txt, in88.txt, in89.txt
Case Name Status Exec Time Memory
in01.txt WA 3 ms 3644 KiB
in02.txt AC 3 ms 3636 KiB
in03.txt AC 3 ms 3636 KiB
in04.txt WA 3 ms 3656 KiB
in05.txt AC 3 ms 3604 KiB
in06.txt WA 3 ms 3636 KiB
in07.txt WA 3 ms 3632 KiB
in08.txt WA 3 ms 3636 KiB
in09.txt WA 3 ms 3608 KiB
in10.txt WA 198 ms 30256 KiB
in11.txt WA 191 ms 30360 KiB
in12.txt WA 191 ms 30348 KiB
in13.txt AC 44 ms 30172 KiB
in14.txt AC 57 ms 24404 KiB
in15.txt AC 191 ms 30312 KiB
in16.txt WA 59 ms 32412 KiB
in17.txt AC 57 ms 30188 KiB
in18.txt AC 65 ms 30316 KiB
in19.txt WA 3 ms 3632 KiB
in20.txt WA 54 ms 24584 KiB
in21.txt AC 40 ms 23808 KiB
in22.txt WA 134 ms 30292 KiB
in23.txt AC 59 ms 30188 KiB
in24.txt AC 63 ms 30292 KiB
in25.txt WA 63 ms 32340 KiB
in26.txt AC 65 ms 32340 KiB
in27.txt WA 121 ms 30316 KiB
in28.txt WA 190 ms 30348 KiB
in29.txt AC 64 ms 30308 KiB
in30.txt WA 27 ms 5068 KiB
in31.txt WA 3 ms 3588 KiB
in32.txt WA 3 ms 3648 KiB
in33.txt WA 3 ms 3636 KiB
in34.txt WA 3 ms 3744 KiB
in35.txt WA 3 ms 3632 KiB
in36.txt AC 3 ms 3764 KiB
in37.txt WA 3 ms 3480 KiB
in38.txt WA 3 ms 3480 KiB
in39.txt WA 3 ms 3764 KiB
in40.txt WA 3 ms 3776 KiB
in41.txt WA 206 ms 30172 KiB
in42.txt WA 198 ms 30292 KiB
in43.txt WA 3 ms 3576 KiB
in44.txt WA 3 ms 3552 KiB
in45.txt WA 3 ms 3728 KiB
in46.txt WA 3 ms 3764 KiB
in47.txt WA 3 ms 3636 KiB
in48.txt WA 3 ms 3636 KiB
in49.txt WA 3 ms 3772 KiB
in50.txt AC 70 ms 30288 KiB
in51.txt WA 185 ms 30360 KiB
in52.txt AC 137 ms 30292 KiB
in53.txt WA 197 ms 30352 KiB
in54.txt WA 185 ms 32396 KiB
in55.txt WA 169 ms 30352 KiB
in56.txt WA 126 ms 24788 KiB
in57.txt AC 69 ms 30292 KiB
in58.txt WA 207 ms 30312 KiB
in59.txt WA 169 ms 30172 KiB
in60.txt WA 198 ms 32380 KiB
in61.txt WA 190 ms 30352 KiB
in62.txt WA 206 ms 30292 KiB
in63.txt WA 193 ms 30348 KiB
in64.txt WA 190 ms 30360 KiB
in65.txt WA 142 ms 30308 KiB
in66.txt WA 201 ms 30352 KiB
in67.txt WA 105 ms 30372 KiB
in68.txt AC 3 ms 3480 KiB
in69.txt WA 3 ms 3448 KiB
in70.txt AC 3 ms 3604 KiB
in71.txt WA 3 ms 3480 KiB
in72.txt AC 3 ms 3604 KiB
in73.txt WA 3 ms 3492 KiB
in74.txt AC 34 ms 32324 KiB
in75.txt WA 32 ms 32420 KiB
in76.txt AC 3 ms 3644 KiB
in77.txt WA 3 ms 3480 KiB
in78.txt AC 3 ms 3636 KiB
in79.txt WA 3 ms 3652 KiB
in80.txt AC 52 ms 32408 KiB
in81.txt WA 50 ms 32412 KiB
in82.txt AC 3 ms 3604 KiB
in83.txt WA 3 ms 3648 KiB
in84.txt AC 3 ms 3636 KiB
in85.txt WA 3 ms 3616 KiB
in86.txt AC 3 ms 3636 KiB
in87.txt AC 3 ms 3600 KiB
in88.txt WA 191 ms 32420 KiB
in89.txt WA 181 ms 30360 KiB
sample01.txt WA 3 ms 3604 KiB
sample02.txt WA 3 ms 3492 KiB
sample03.txt WA 3 ms 3600 KiB
sample04.txt WA 3 ms 3604 KiB
sample05.txt AC 3 ms 3588 KiB