oj.uz

답안 #674131

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
674131 2022-12-23T09:48:30 Z YENGOYAN Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
64 / 100
 3000 ms 202796 KB 
// eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee //
// 271828___182845__904523__53602__ //
// 87___47____13______52____66__24_ //
// 97___75____72______47____09___36 // 
// 999595_____74______96____69___67 // 
// 62___77____24______07____66__30_ // 
// 35___35____47______59____45713__ //
// eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee //
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_map>
#include <cmath>
#include <climits>
#include <algorithm>
#include <random>
#include <queue>
#include <deque>
#include <iomanip>
#include <string>
#include <tuple>
#include <bitset>
#include <chrono>
#include <ctime>
#include <fstream>
#include <stack>
#include <cstdio>

using namespace std;
using ll = long long;
const int N = 1e5 + 5;
const ll mod = 1e9 + 7, inf = 1e18;

int n, m, s = 1;
vector<int> seg, v, qryseg;
vector<vector<int>> mst;

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

void build_mst(int l, int r, int u) {
    if (l == r) {
        if (l < n) mst[u].push_back(v[l]);
        return;
    }
    int m = (l + r) / 2;
    build_mst(l, m, 2 * u + 1), build_mst(m + 1, r, 2 * u + 2);
    mst[u] = merge(mst[2 * u + 1], mst[2 * u + 2]);
}

int get_mst(int l, int r, int lx, int rx, int k, int u) {
    if (lx >= l && rx <= r) {
        int id = lower_bound(mst[u].begin(), mst[u].end(), k) - mst[u].begin() - 1;
        if (id == -1) return -1;
        return mst[u][id];
    }
    if (lx > r || rx < l) return -1;
    int m = (lx + rx) / 2;
    return max(get_mst(l, r, lx, m, k, 2 * u + 1), get_mst(l, r, m + 1, rx, k, 2 * u + 2));
}

void build(int l, int r, int u) {
    if (l == r) {
        if(l < n) seg[u] = v[l];
        return;
    }
    int m = (l + r) / 2;
    build(l, m, 2 * u + 1), build(m + 1, r, 2 * u + 2);
    seg[u] = max(seg[2 * u + 1], seg[2 * u + 2]);
}

int get(int l, int r, int lx, int rx, int u) {
    if (lx >= l && rx <= r) return seg[u];
    if (lx > r || rx < l) return -1;
    int m = (lx + rx) / 2;
    return max(get(l, r, lx, m, 2 * u + 1), get(l, r, m + 1, rx, 2 * u + 2));
}

void build_qry(int l, int r, int u) {
    if (l == r) {
        qryseg[u] = 0;
        return;
    }
    int m = (l + r) / 2;
    build_qry(l, m, 2 * u + 1), build_qry(m + 1, r, 2 * u + 2);
    qryseg[u] = max(qryseg[2 * u + 1], qryseg[2 * u + 2]);
    int a = get(l, m, 0, s - 1, 0), b = get_mst(m + 1, r, 0, s - 1, a, 0);
    if(b != -1) qryseg[u] = max(qryseg[u], a + b);
}

int get_qry(int l, int r, int lx, int rx, int u) {
    if (lx >= l && rx <= r) return qryseg[u];
    if (lx > r || rx < l) return -1;
    int m = (lx + rx) / 2;
    int a = get(max(lx, l), m, 0, s - 1, 0), b = get_mst(m + 1, min(rx, r), 0, s - 1, a, 0);
    if (b == -1) return max(get_qry(l, r, lx, m, 2 * u + 1), get_qry(l, r, m + 1, rx, 2 * u + 2));
    return max({ get_qry(l, r, lx, m, 2 * u + 1), get_qry(l, r, m + 1, rx, 2 * u + 2), a + b });
    //qryseg[u] = max(qryseg[u], a + b);
}

void solve() {
    cin >> n >> m;
    v = vector<int>(n);
    while (s < n) s <<= 1;
    qryseg = seg = vector<int>(2 * s, -1);
    mst = vector<vector<int>>(2 * s);
    for (int i = 0; i < n; ++i) cin >> v[i];
    build(0, s - 1, 0), build_mst(0, s - 1, 0), build_qry(0, s - 1, 0); 
    //for (int i = 0; i < qryseg.size(); ++i) cout << qryseg[i] << " ";
    while (m--) {
        int l, r, w; cin >> l >> r >> w;
        cout << (get_qry(--l, --r, 0, s - 1, 0) <= w) << "\n";
        // seg l...r minimum to get from l to r
        // там где есть бейлый ворон 
        // там всегда мы найдём покой
        // TGEBV TVMNP
        // ТГЕБВ ТВМНП 
        
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    //int _; cin >> _; while (_--)
        solve();
}

Compilation message

sortbooks.cpp: In function 'std::vector<int> merge(std::vector<int>&, std::vector<int>&)':
sortbooks.cpp:44:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     while (i < a.size() && j < b.size()) {
      |            ~~^~~~~~~~~~
sortbooks.cpp:44:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     while (i < a.size() && j < b.size()) {
      |                            ~~^~~~~~~~~~
sortbooks.cpp:48:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     while (i < a.size()) m.push_back(a[i++]);
      |            ~~^~~~~~~~~~
sortbooks.cpp:49:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     while (j < b.size()) m.push_back(b[j++]);
      |            ~~^~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 352 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 352 KB Output is correct
11 Correct 12 ms 596 KB Output is correct
12 Correct 17 ms 1484 KB Output is correct
13 Correct 19 ms 1492 KB Output is correct
14 Correct 34 ms 1564 KB Output is correct
15 Correct 28 ms 1564 KB Output is correct
16 Correct 23 ms 1476 KB Output is correct
17 Correct 13 ms 1120 KB Output is correct
18 Correct 22 ms 1492 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3073 ms 202796 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 998 ms 22964 KB Output is correct
2 Correct 921 ms 22948 KB Output is correct
3 Correct 955 ms 23052 KB Output is correct
4 Correct 972 ms 22960 KB Output is correct
5 Correct 972 ms 23132 KB Output is correct
6 Correct 783 ms 22836 KB Output is correct
7 Correct 792 ms 22908 KB Output is correct
8 Correct 716 ms 22856 KB Output is correct
9 Correct 123 ms 1820 KB Output is correct
10 Correct 722 ms 22736 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 352 KB Output is correct
11 Correct 12 ms 596 KB Output is correct
12 Correct 17 ms 1484 KB Output is correct
13 Correct 19 ms 1492 KB Output is correct
14 Correct 34 ms 1564 KB Output is correct
15 Correct 28 ms 1564 KB Output is correct
16 Correct 23 ms 1476 KB Output is correct
17 Correct 13 ms 1120 KB Output is correct
18 Correct 22 ms 1492 KB Output is correct
19 Correct 2423 ms 48972 KB Output is correct
20 Correct 2338 ms 49012 KB Output is correct
21 Correct 2025 ms 48736 KB Output is correct
22 Correct 2035 ms 48764 KB Output is correct
23 Correct 1996 ms 48788 KB Output is correct
24 Correct 1894 ms 48600 KB Output is correct
25 Correct 1857 ms 48752 KB Output is correct
26 Correct 2049 ms 48940 KB Output is correct
27 Correct 2147 ms 48868 KB Output is correct
28 Correct 2294 ms 49008 KB Output is correct
29 Correct 2146 ms 48860 KB Output is correct
30 Correct 2096 ms 48912 KB Output is correct
31 Correct 2232 ms 48972 KB Output is correct
32 Correct 2112 ms 48848 KB Output is correct
33 Correct 2280 ms 48988 KB Output is correct
34 Correct 1715 ms 48536 KB Output is correct
35 Correct 1742 ms 48556 KB Output is correct
36 Correct 1764 ms 48500 KB Output is correct
37 Correct 1766 ms 48340 KB Output is correct
38 Correct 1738 ms 48580 KB Output is correct
39 Correct 1796 ms 47536 KB Output is correct
40 Correct 992 ms 29540 KB Output is correct
41 Correct 1624 ms 47356 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 352 KB Output is correct
11 Correct 12 ms 596 KB Output is correct
12 Correct 17 ms 1484 KB Output is correct
13 Correct 19 ms 1492 KB Output is correct
14 Correct 34 ms 1564 KB Output is correct
15 Correct 28 ms 1564 KB Output is correct
16 Correct 23 ms 1476 KB Output is correct
17 Correct 13 ms 1120 KB Output is correct
18 Correct 22 ms 1492 KB Output is correct
19 Execution timed out 3073 ms 202796 KB Time limit exceeded
20 Halted 0 ms 0 KB -