oj.uz

Submission #338364

# Submission time Handle Problem Language Result Execution time Memory
338364 2020-12-23T04:07:08 Z IZhO_2021_I_want_Silver Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1290 ms 65100 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
#include <set>
#include <map>
#include <iomanip>
#include <cassert>
#include <stack>
#include <queue>
#include <deque>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

// template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//  order_of_key (k) : Number of items strictly smaller than k .
//  find_by_order(k) : K-th element in a set (counting from zero).
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define pb push_back
#define ppb pop_back
#define mkp make_pair
#define F first
#define S second
#define lb lower_bound
#define ub upper_bound
#define show(a) cerr << #a <<" -> "<< a <<" "
#define nl cerr <<"\n"
//#define int ll

const int N = (1 << 20) - 1;

int n, m, a[N], ans[N], t[N*2];
vector < pair <int, pii> > que[N];
stack <int> st;

void upd(int pos, int x) {
    pos += N;
    t[pos] = max(t[pos], x);
    while ((pos /= 2) >= 1) {
        t[pos] = max(t[pos*2], t[pos*2+1]);
    }
}

int get(int l, int r) {
    int res = 0;
    for (l += N, r += N; l <= r; l /= 2, r /= 2) {
        if (l % 2 == 1) { res = max(res, t[l++]); }
        if (r % 2 == 0) { res = max(res, t[r--]); }
        if (l > r) { break; }
    }
    return res;
}

void solve() {
    cin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
    }
    for (int i = 1; i <= m; ++i) {
        int l, r, k;
        cin >> l >> r >> k;
        que[r].pb({l, {k, i}});
    }
    for (int i = 1; i <= n; ++i) {
        while (sz(st) && a[st.top()] <= a[i]) { st.pop(); }
        if (sz(st)) { upd(st.top(), a[st.top()] + a[i]); }
        st.push(i);

        for (int j = 0; j < sz(que[i]); ++j) {
            int l = que[i][j].F, k = que[i][j].S.F, id = que[i][j].S.S;
            ans[id] = (get(l, i) <= k);
        }
    }
    for (int i = 1; i <= m; ++i) { cout << ans[i] <<"\n"; }
}

 main () {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int tests = 1;
	//cin >> tests;
	while (tests --) {
		solve();
	}
	return 0;
}
/*
    Just Chalish!
*/

Compilation message

sortbooks.cpp:85:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   85 |  main () {
      |        ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25068 KB Output is correct
2 Correct 15 ms 24940 KB Output is correct
3 Correct 15 ms 25068 KB Output is correct
4 Correct 15 ms 25068 KB Output is correct
5 Correct 16 ms 25072 KB Output is correct
6 Correct 15 ms 25068 KB Output is correct
7 Correct 15 ms 25068 KB Output is correct
8 Correct 16 ms 25068 KB Output is correct
9 Correct 16 ms 25068 KB Output is correct
10 Correct 16 ms 25088 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25068 KB Output is correct
2 Correct 15 ms 24940 KB Output is correct
3 Correct 15 ms 25068 KB Output is correct
4 Correct 15 ms 25068 KB Output is correct
5 Correct 16 ms 25072 KB Output is correct
6 Correct 15 ms 25068 KB Output is correct
7 Correct 15 ms 25068 KB Output is correct
8 Correct 16 ms 25068 KB Output is correct
9 Correct 16 ms 25068 KB Output is correct
10 Correct 16 ms 25088 KB Output is correct
11 Correct 17 ms 25196 KB Output is correct
12 Correct 18 ms 25472 KB Output is correct
13 Correct 18 ms 25324 KB Output is correct
14 Correct 20 ms 25452 KB Output is correct
15 Correct 20 ms 25452 KB Output is correct
16 Correct 19 ms 25356 KB Output is correct
17 Correct 18 ms 25324 KB Output is correct
18 Correct 18 ms 25324 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1231 ms 64876 KB Output is correct
2 Correct 1232 ms 65004 KB Output is correct
3 Correct 1290 ms 64876 KB Output is correct
4 Correct 1262 ms 65100 KB Output is correct
5 Correct 1097 ms 57196 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 30316 KB Output is correct
2 Correct 92 ms 30716 KB Output is correct
3 Correct 91 ms 30060 KB Output is correct
4 Correct 91 ms 30060 KB Output is correct
5 Correct 96 ms 30108 KB Output is correct
6 Correct 84 ms 29612 KB Output is correct
7 Correct 76 ms 29548 KB Output is correct
8 Correct 91 ms 29732 KB Output is correct
9 Correct 56 ms 28452 KB Output is correct
10 Correct 91 ms 29732 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25068 KB Output is correct
2 Correct 15 ms 24940 KB Output is correct
3 Correct 15 ms 25068 KB Output is correct
4 Correct 15 ms 25068 KB Output is correct
5 Correct 16 ms 25072 KB Output is correct
6 Correct 15 ms 25068 KB Output is correct
7 Correct 15 ms 25068 KB Output is correct
8 Correct 16 ms 25068 KB Output is correct
9 Correct 16 ms 25068 KB Output is correct
10 Correct 16 ms 25088 KB Output is correct
11 Correct 17 ms 25196 KB Output is correct
12 Correct 18 ms 25472 KB Output is correct
13 Correct 18 ms 25324 KB Output is correct
14 Correct 20 ms 25452 KB Output is correct
15 Correct 20 ms 25452 KB Output is correct
16 Correct 19 ms 25356 KB Output is correct
17 Correct 18 ms 25324 KB Output is correct
18 Correct 18 ms 25324 KB Output is correct
19 Correct 231 ms 39532 KB Output is correct
20 Correct 221 ms 39404 KB Output is correct
21 Correct 190 ms 38764 KB Output is correct
22 Correct 196 ms 38892 KB Output is correct
23 Correct 237 ms 38764 KB Output is correct
24 Correct 163 ms 37128 KB Output is correct
25 Correct 161 ms 36972 KB Output is correct
26 Correct 194 ms 37356 KB Output is correct
27 Correct 193 ms 37356 KB Output is correct
28 Correct 223 ms 37484 KB Output is correct
29 Correct 201 ms 37868 KB Output is correct
30 Correct 202 ms 37868 KB Output is correct
31 Correct 208 ms 37740 KB Output is correct
32 Correct 207 ms 37868 KB Output is correct
33 Correct 212 ms 37740 KB Output is correct
34 Correct 158 ms 36588 KB Output is correct
35 Correct 158 ms 36716 KB Output is correct
36 Correct 148 ms 36460 KB Output is correct
37 Correct 148 ms 36460 KB Output is correct
38 Correct 154 ms 36588 KB Output is correct
39 Correct 191 ms 36564 KB Output is correct
40 Correct 150 ms 34872 KB Output is correct
41 Correct 181 ms 35616 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25068 KB Output is correct
2 Correct 15 ms 24940 KB Output is correct
3 Correct 15 ms 25068 KB Output is correct
4 Correct 15 ms 25068 KB Output is correct
5 Correct 16 ms 25072 KB Output is correct
6 Correct 15 ms 25068 KB Output is correct
7 Correct 15 ms 25068 KB Output is correct
8 Correct 16 ms 25068 KB Output is correct
9 Correct 16 ms 25068 KB Output is correct
10 Correct 16 ms 25088 KB Output is correct
11 Correct 17 ms 25196 KB Output is correct
12 Correct 18 ms 25472 KB Output is correct
13 Correct 18 ms 25324 KB Output is correct
14 Correct 20 ms 25452 KB Output is correct
15 Correct 20 ms 25452 KB Output is correct
16 Correct 19 ms 25356 KB Output is correct
17 Correct 18 ms 25324 KB Output is correct
18 Correct 18 ms 25324 KB Output is correct
19 Correct 1231 ms 64876 KB Output is correct
20 Correct 1232 ms 65004 KB Output is correct
21 Correct 1290 ms 64876 KB Output is correct
22 Correct 1262 ms 65100 KB Output is correct
23 Correct 1097 ms 57196 KB Output is correct
24 Correct 100 ms 30316 KB Output is correct
25 Correct 92 ms 30716 KB Output is correct
26 Correct 91 ms 30060 KB Output is correct
27 Correct 91 ms 30060 KB Output is correct
28 Correct 96 ms 30108 KB Output is correct
29 Correct 84 ms 29612 KB Output is correct
30 Correct 76 ms 29548 KB Output is correct
31 Correct 91 ms 29732 KB Output is correct
32 Correct 56 ms 28452 KB Output is correct
33 Correct 91 ms 29732 KB Output is correct
34 Correct 231 ms 39532 KB Output is correct
35 Correct 221 ms 39404 KB Output is correct
36 Correct 190 ms 38764 KB Output is correct
37 Correct 196 ms 38892 KB Output is correct
38 Correct 237 ms 38764 KB Output is correct
39 Correct 163 ms 37128 KB Output is correct
40 Correct 161 ms 36972 KB Output is correct
41 Correct 194 ms 37356 KB Output is correct
42 Correct 193 ms 37356 KB Output is correct
43 Correct 223 ms 37484 KB Output is correct
44 Correct 201 ms 37868 KB Output is correct
45 Correct 202 ms 37868 KB Output is correct
46 Correct 208 ms 37740 KB Output is correct
47 Correct 207 ms 37868 KB Output is correct
48 Correct 212 ms 37740 KB Output is correct
49 Correct 158 ms 36588 KB Output is correct
50 Correct 158 ms 36716 KB Output is correct
51 Correct 148 ms 36460 KB Output is correct
52 Correct 148 ms 36460 KB Output is correct
53 Correct 154 ms 36588 KB Output is correct
54 Correct 191 ms 36564 KB Output is correct
55 Correct 150 ms 34872 KB Output is correct
56 Correct 181 ms 35616 KB Output is correct
57 Correct 1234 ms 64876 KB Output is correct
58 Correct 1236 ms 65004 KB Output is correct
59 Correct 1168 ms 63336 KB Output is correct
60 Correct 1192 ms 63476 KB Output is correct
61 Correct 1173 ms 63444 KB Output is correct
62 Correct 1175 ms 63668 KB Output is correct
63 Correct 736 ms 53848 KB Output is correct
64 Correct 790 ms 53740 KB Output is correct
65 Correct 1020 ms 55560 KB Output is correct
66 Correct 1031 ms 55436 KB Output is correct
67 Correct 1008 ms 55404 KB Output is correct
68 Correct 1060 ms 57068 KB Output is correct
69 Correct 1066 ms 57068 KB Output is correct
70 Correct 1076 ms 56760 KB Output is correct
71 Correct 1061 ms 56684 KB Output is correct
72 Correct 1067 ms 56844 KB Output is correct
73 Correct 662 ms 51436 KB Output is correct
74 Correct 711 ms 51180 KB Output is correct
75 Correct 661 ms 51564 KB Output is correct
76 Correct 655 ms 51564 KB Output is correct
77 Correct 672 ms 51480 KB Output is correct
78 Correct 957 ms 57500 KB Output is correct
79 Correct 743 ms 51184 KB Output is correct
80 Correct 1004 ms 54792 KB Output is correct