oj.uz

Submission #511542

# Submission time Handle Problem Language Result Execution time Memory
511542 2022-01-16T01:49:45 Z Zhora_004 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
30 / 100
 1342 ms 131752 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <string>
#include <sstream>
#include <iomanip>
#include <map>
#include <unordered_map>
#include <stack>
#include <cstdio>
#include <climits>
#include <tuple>
#include <ctime>
#include <cstring>
#include <numeric>
#include <functional>
#include <chrono>
#include <cassert>
#include <bitset>
//#include <bit>
//#include <ranges>
//#include <numbers>
#define itn int
#define sacnf scanf
#define sz(a) ((int)((a).size()))
// printf("%.10f\n", ans);
using ll = long long;
using namespace std;
const ll mod = 1e9 + 7;
const int N = 1e6 + 5;

int fm(int& L, int& R, vector<int>& l, vector<vector<int>>& st)
{
    int j = l[R - L + 1];
    return min(st[L][j], st[R - (1 << j) + 1][j]);
}

int fmx(int& L, int& R, vector<int>& l, vector<vector<int>>& st)
{
    int j = l[R - L + 1];
    return max(st[L][j], st[R - (1 << j) + 1][j]);
}

int main()
{
    /*ios_base::sync_with_stdio(false);
    cin.tie(NULL);*/
    int n, m;
    scanf("%d%d", &n, &m);
    vector<int> v(n);
    bool flag = 1;
    for (int i = 0; i < n; i++)
    {
        scanf("%d", &v[i]);
        if (v[i] > 1000) flag = 0;
    }
    if (n <= 5000 && m <= 5000)
    {
        for (int i = 0; i < m; i++)
        {
            int l, r, k;
            scanf("%d%d%d", &l, &r, &k);
            l--, r--;
            int mx_num = 0, mx = 0;
            for (int j = l; j <= r; j++)
            {
                if (mx_num > v[j]) mx = max(mx, v[j] + mx_num);
                mx_num = max(mx_num, v[j]);
            }
            if (mx <= k) printf("1\n");
            else printf("0\n");
        }
    }
    else if (flag)
    {
        // subtask 4
        vector<vector<int>> id(1001);
        for (int i = 0; i < n; i++) id[v[i]].push_back(i);
        vector<vector<int>> st(n + 2, vector<int>(22));
        for (int i = 0; i < n; i++) st[i][0] = v[i];
        for (int j = 1; j <= 21; j++)
            for (int i = 0; i + (1 << j) < n + 2; i++)
                st[i][j] = max(st[i][j - 1], st[i + (1 << (j - 1))][j - 1]);
        vector<int> g(n + 2);
        g[1] = 0;
        for (int i = 2; i < n + 2; i++)
            g[i] = g[i / 2] + 1;
        while (m--)
        {
            int l, r, k;
            scanf("%d%d%d", &l, &r, &k);
            if (k >= 2000) printf("1\n");
            else
            {
                l--, r--;
                for (int num = 0; num <= 1000; num++)
                {
                    auto it = upper_bound(id[num].begin(), id[num].end(), r);
                    if (id[num].empty() || it == id[num].begin()) continue;
                    it--;
                    int index = *it;
                    index--;
                    if (index < l) continue;
                    if (fmx(l, index, g, st) + num > k)
                    {
                        flag = 0;
                        break;
                    }
                }
                if (flag) printf("1\n");
                else printf("0\n");
            }
        }
    }
    else
    {
        // subtask 3
        stack<int> s;
        vector<int> ans(n);
        for (int i = 0; i < n; i++)
        {
            int next = v[i];
            if (s.empty()) 
            {
                s.push(i);
                continue;
            }
            while (!s.empty() && v[s.top()] > next) 
            {
                ans[s.top()] = i;
                s.pop();
            }
            s.push(i);
        }
        while (!s.empty()) 
        {
            ans[s.top()] = 2e9;
            s.pop();
        }
        vector<vector<int>> st(n + 2, vector<int>(22));
        for (int i = 0; i < n; i++) st[i][0] = ans[i];
        for (int j = 1; j <= 21; j++)
            for (int i = 0; i + (1 << j) < n + 2; i++)
                st[i][j] = min(st[i][j - 1], st[i + (1 << (j - 1))][j - 1]);
        vector<int> g(n + 2);
        g[1] = 0;
        for (int i = 2; i < n + 2; i++)
            g[i] = g[i / 2] + 1;
        while (m--)
        {
            int l, r, k;
            scanf("%d%d%d", &l, &r, &k);
            l--, r--;
            if (fm(l, r, g, st) <= r) printf("0\n");
            else printf("1\n");
        }
    }
    return 0;
}


// https://codeforces.com/problemset/problem/1136/D?locale=ru

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:60:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         scanf("%d", &v[i]);
      |         ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:68:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |             scanf("%d%d%d", &l, &r, &k);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:97:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |             scanf("%d%d%d", &l, &r, &k);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:158:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  158 |             scanf("%d%d%d", &l, &r, &k);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 3 ms 204 KB Output is correct
12 Correct 6 ms 204 KB Output is correct
13 Correct 7 ms 204 KB Output is correct
14 Correct 11 ms 204 KB Output is correct
15 Correct 11 ms 312 KB Output is correct
16 Correct 23 ms 316 KB Output is correct
17 Correct 17 ms 316 KB Output is correct
18 Correct 19 ms 316 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1041 ms 131752 KB Output is correct
2 Correct 1029 ms 131336 KB Output is correct
3 Correct 1043 ms 131400 KB Output is correct
4 Correct 1072 ms 131488 KB Output is correct
5 Correct 1038 ms 131496 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1342 ms 13780 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 3 ms 204 KB Output is correct
12 Correct 6 ms 204 KB Output is correct
13 Correct 7 ms 204 KB Output is correct
14 Correct 11 ms 204 KB Output is correct
15 Correct 11 ms 312 KB Output is correct
16 Correct 23 ms 316 KB Output is correct
17 Correct 17 ms 316 KB Output is correct
18 Correct 19 ms 316 KB Output is correct
19 Incorrect 196 ms 27396 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 3 ms 204 KB Output is correct
12 Correct 6 ms 204 KB Output is correct
13 Correct 7 ms 204 KB Output is correct
14 Correct 11 ms 204 KB Output is correct
15 Correct 11 ms 312 KB Output is correct
16 Correct 23 ms 316 KB Output is correct
17 Correct 17 ms 316 KB Output is correct
18 Correct 19 ms 316 KB Output is correct
19 Correct 1041 ms 131752 KB Output is correct
20 Correct 1029 ms 131336 KB Output is correct
21 Correct 1043 ms 131400 KB Output is correct
22 Correct 1072 ms 131488 KB Output is correct
23 Correct 1038 ms 131496 KB Output is correct
24 Incorrect 1342 ms 13780 KB Output isn't correct
25 Halted 0 ms 0 KB -