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답안 #987377

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
987377 2024-05-22T16:35:53 Z steveonalex Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1936 ms 125320 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T& container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

const int N = 1e6 + 69;
const int INF = 1e9 + 69;
int a[N];
vector<array<int, 3>> query[N];
int ans[N];

struct SegmentTree{
    int n;
    vector<int> a;
    vector<int> lazy;

    SegmentTree(int _n){
        n = _n;
        a.resize(n * 4); lazy.resize(n * 4);
    }

    void down(int id){
        for(int i = id * 2; i <= id * 2 + 1; ++i) {
            lazy[i] += lazy[id];
            a[i] += lazy[id];
        }
        lazy[id] = 0;
    }

    void update(int u, int v, int val, int l, int r, int id){
        if (u <= l && r <= v){
            a[id] += val;
            lazy[id] += val;
            return;
        }
        down(id);
        int mid = (l + r) >> 1;
        if (u <= mid) update(u, v, val, l, mid, id * 2);
        if (v > mid) update(u, v, val, mid + 1, r, id * 2 + 1);
        a[id] = max(a[id * 2], a[id * 2 + 1]);
    }

    void update(int u, int v, int val){if (u <= v) update(u, v, val, 1, n, 1);}

    int get(int u, int v, int l, int r, int id){
        if (u <= l && r <= v) return a[id];
        down(id);
        int mid = (l + r) >> 1;
        int ans = 0;
        if (u <= mid) maximize(ans, get(u, v, l, mid, id * 2));
        if (v > mid) maximize(ans, get(u, v, mid + 1, r, id * 2 + 1));
        return ans;
    }

    int get(int u, int v){return get(u, v, 1, n, 1);}
};

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, m; cin >> n >> m;
    for(int i = 1; i<=n; ++i) cin >> a[i];
    for(int i =0; i<m; ++i){
        int l, r, k; cin >> l >> r >> k;
        query[l].push_back({{r, k, i}});
    }

    a[n+1] = INF;

    deque<int> st; st.push_back(n+1);
    SegmentTree segg(n);
    for(int i = n; i>=1; --i){
        while(a[st.back()] < a[i]) {
            int j = st.back();
            st.pop_back();
            int k = st.back();
            segg.update(j, j, a[j]);
            segg.update(j + 1, k-1, -a[j]);
        }
        int j = st.back();
        st.push_back(i);
        segg.update(i + 1, j - 1, a[i]);

        for(auto j: query[i]){
            ans[j[2]] = (segg.get(i, j[0]) <= j[1]);
        }
    }


    for(int i = 0; i<m; ++i){
        cout << ans[i] << "\n";
    }


    return 0;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23896 KB Output is correct
2 Correct 14 ms 23900 KB Output is correct
3 Correct 17 ms 23972 KB Output is correct
4 Correct 16 ms 23900 KB Output is correct
5 Correct 14 ms 23896 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 17 ms 23900 KB Output is correct
8 Correct 16 ms 23896 KB Output is correct
9 Correct 15 ms 23900 KB Output is correct
10 Correct 14 ms 23900 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23896 KB Output is correct
2 Correct 14 ms 23900 KB Output is correct
3 Correct 17 ms 23972 KB Output is correct
4 Correct 16 ms 23900 KB Output is correct
5 Correct 14 ms 23896 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 17 ms 23900 KB Output is correct
8 Correct 16 ms 23896 KB Output is correct
9 Correct 15 ms 23900 KB Output is correct
10 Correct 14 ms 23900 KB Output is correct
11 Correct 19 ms 23976 KB Output is correct
12 Correct 19 ms 24228 KB Output is correct
13 Correct 19 ms 24152 KB Output is correct
14 Correct 15 ms 24412 KB Output is correct
15 Correct 19 ms 24412 KB Output is correct
16 Correct 21 ms 24348 KB Output is correct
17 Correct 19 ms 24152 KB Output is correct
18 Correct 19 ms 24156 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1897 ms 118596 KB Output is correct
2 Correct 1911 ms 119640 KB Output is correct
3 Correct 1936 ms 119388 KB Output is correct
4 Correct 1877 ms 119528 KB Output is correct
5 Correct 1398 ms 123724 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 141 ms 32080 KB Output is correct
2 Correct 117 ms 31892 KB Output is correct
3 Correct 94 ms 32336 KB Output is correct
4 Correct 94 ms 32584 KB Output is correct
5 Correct 97 ms 32664 KB Output is correct
6 Correct 93 ms 31700 KB Output is correct
7 Correct 73 ms 31828 KB Output is correct
8 Correct 82 ms 31556 KB Output is correct
9 Correct 41 ms 27144 KB Output is correct
10 Correct 80 ms 31752 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23896 KB Output is correct
2 Correct 14 ms 23900 KB Output is correct
3 Correct 17 ms 23972 KB Output is correct
4 Correct 16 ms 23900 KB Output is correct
5 Correct 14 ms 23896 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 17 ms 23900 KB Output is correct
8 Correct 16 ms 23896 KB Output is correct
9 Correct 15 ms 23900 KB Output is correct
10 Correct 14 ms 23900 KB Output is correct
11 Correct 19 ms 23976 KB Output is correct
12 Correct 19 ms 24228 KB Output is correct
13 Correct 19 ms 24152 KB Output is correct
14 Correct 15 ms 24412 KB Output is correct
15 Correct 19 ms 24412 KB Output is correct
16 Correct 21 ms 24348 KB Output is correct
17 Correct 19 ms 24152 KB Output is correct
18 Correct 19 ms 24156 KB Output is correct
19 Correct 256 ms 43192 KB Output is correct
20 Correct 263 ms 43160 KB Output is correct
21 Correct 231 ms 42448 KB Output is correct
22 Correct 248 ms 42528 KB Output is correct
23 Correct 232 ms 42580 KB Output is correct
24 Correct 143 ms 43196 KB Output is correct
25 Correct 140 ms 43080 KB Output is correct
26 Correct 193 ms 43560 KB Output is correct
27 Correct 235 ms 43428 KB Output is correct
28 Correct 171 ms 43600 KB Output is correct
29 Correct 189 ms 44112 KB Output is correct
30 Correct 184 ms 43988 KB Output is correct
31 Correct 168 ms 44020 KB Output is correct
32 Correct 200 ms 43824 KB Output is correct
33 Correct 206 ms 44056 KB Output is correct
34 Correct 143 ms 42152 KB Output is correct
35 Correct 133 ms 42208 KB Output is correct
36 Correct 143 ms 42008 KB Output is correct
37 Correct 136 ms 41924 KB Output is correct
38 Correct 142 ms 42320 KB Output is correct
39 Correct 175 ms 41424 KB Output is correct
40 Correct 118 ms 37940 KB Output is correct
41 Correct 176 ms 40920 KB Output is correct

Subtask #6
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23896 KB Output is correct
2 Correct 14 ms 23900 KB Output is correct
3 Correct 17 ms 23972 KB Output is correct
4 Correct 16 ms 23900 KB Output is correct
5 Correct 14 ms 23896 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 17 ms 23900 KB Output is correct
8 Correct 16 ms 23896 KB Output is correct
9 Correct 15 ms 23900 KB Output is correct
10 Correct 14 ms 23900 KB Output is correct
11 Correct 19 ms 23976 KB Output is correct
12 Correct 19 ms 24228 KB Output is correct
13 Correct 19 ms 24152 KB Output is correct
14 Correct 15 ms 24412 KB Output is correct
15 Correct 19 ms 24412 KB Output is correct
16 Correct 21 ms 24348 KB Output is correct
17 Correct 19 ms 24152 KB Output is correct
18 Correct 19 ms 24156 KB Output is correct
19 Correct 1897 ms 118596 KB Output is correct
20 Correct 1911 ms 119640 KB Output is correct
21 Correct 1936 ms 119388 KB Output is correct
22 Correct 1877 ms 119528 KB Output is correct
23 Correct 1398 ms 123724 KB Output is correct
24 Correct 141 ms 32080 KB Output is correct
25 Correct 117 ms 31892 KB Output is correct
26 Correct 94 ms 32336 KB Output is correct
27 Correct 94 ms 32584 KB Output is correct
28 Correct 97 ms 32664 KB Output is correct
29 Correct 93 ms 31700 KB Output is correct
30 Correct 73 ms 31828 KB Output is correct
31 Correct 82 ms 31556 KB Output is correct
32 Correct 41 ms 27144 KB Output is correct
33 Correct 80 ms 31752 KB Output is correct
34 Correct 256 ms 43192 KB Output is correct
35 Correct 263 ms 43160 KB Output is correct
36 Correct 231 ms 42448 KB Output is correct
37 Correct 248 ms 42528 KB Output is correct
38 Correct 232 ms 42580 KB Output is correct
39 Correct 143 ms 43196 KB Output is correct
40 Correct 140 ms 43080 KB Output is correct
41 Correct 193 ms 43560 KB Output is correct
42 Correct 235 ms 43428 KB Output is correct
43 Correct 171 ms 43600 KB Output is correct
44 Correct 189 ms 44112 KB Output is correct
45 Correct 184 ms 43988 KB Output is correct
46 Correct 168 ms 44020 KB Output is correct
47 Correct 200 ms 43824 KB Output is correct
48 Correct 206 ms 44056 KB Output is correct
49 Correct 143 ms 42152 KB Output is correct
50 Correct 133 ms 42208 KB Output is correct
51 Correct 143 ms 42008 KB Output is correct
52 Correct 136 ms 41924 KB Output is correct
53 Correct 142 ms 42320 KB Output is correct
54 Correct 175 ms 41424 KB Output is correct
55 Correct 118 ms 37940 KB Output is correct
56 Correct 176 ms 40920 KB Output is correct
57 Correct 1606 ms 121152 KB Output is correct
58 Correct 1781 ms 121152 KB Output is correct
59 Correct 1523 ms 119136 KB Output is correct
60 Correct 1586 ms 118876 KB Output is correct
61 Correct 1510 ms 118604 KB Output is correct
62 Correct 1626 ms 118868 KB Output is correct
63 Correct 711 ms 116604 KB Output is correct
64 Correct 702 ms 116816 KB Output is correct
65 Correct 1140 ms 123020 KB Output is correct
66 Correct 1142 ms 123152 KB Output is correct
67 Correct 1047 ms 123136 KB Output is correct
68 Correct 1294 ms 125320 KB Output is correct
69 Correct 1279 ms 125140 KB Output is correct
70 Correct 1234 ms 124732 KB Output is correct
71 Correct 1310 ms 124660 KB Output is correct
72 Correct 1251 ms 124896 KB Output is correct
73 Correct 743 ms 112568 KB Output is correct
74 Correct 714 ms 113576 KB Output is correct
75 Correct 702 ms 112768 KB Output is correct
76 Correct 697 ms 112540 KB Output is correct
77 Correct 709 ms 112976 KB Output is correct
78 Correct 1137 ms 113772 KB Output is correct
79 Correct 682 ms 88976 KB Output is correct
80 Correct 1002 ms 110008 KB Output is correct