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Submission #898389

# Submission time Handle Problem Language Result Execution time Memory
898389 2024-01-04T15:25:18 Z votranngocvy Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1237 ms 129768 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define piii pair<int,pair<int,int>>
#define fi first
#define se second
const int N = 1e6 + 5;
int st[4 * N],a[N],ans[N],f[N];
vector<piii>vec[N];

void update(int id,int l,int r,int i,int val) {
    if (i < l || r < i) return;
    if (l == r) {
        st[id] = val;
        return;
    }
    int mid = (l + r) / 2;
    update(id * 2,l,mid,i,val);
    update(id * 2 + 1,mid + 1,r,i,val);
    st[id] = max(st[id * 2],st[id * 2 + 1]);
}

int get(int id,int l,int r,int u,int v) {
    if (v < l || r < u) return 0;
    if (u <= l && r <= v) return st[id];
    int mid = (l + r) / 2;
    return max(get(id * 2,l,mid,u,v),get(id * 2 + 1,mid + 1,r,u,v));
}

signed main() {
    ios_base::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 = 1; i <= m; i++) {
        int l,r,k;
        cin >> l >> r >> k;
        vec[r].push_back({l,{i,k}});   
    }
    stack<int>st;
    for (int i = 1; i <= n; i++) {
        while (!st.empty() && a[st.top()] <= a[i]) st.pop();
        if (!st.empty()) f[i] = st.top();
        else f[i] = 0;
        st.push(i); 
    }
    for (int r = 1; r <= n; r++) {
        if (f[r]) update(1,1,n,f[r],a[f[r]] + a[r]);
        for (auto x: vec[r]) {
            int l = x.fi,idx = x.se.fi,k = x.se.se;
            ans[idx] = (get(1,1,n,l,r) <= k);
        }
    }
    for (int i = 1; i <= m; i++) cout << ans[i] << "\n";
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 31320 KB Output is correct
2 Correct 6 ms 29276 KB Output is correct
3 Correct 8 ms 31452 KB Output is correct
4 Correct 7 ms 31324 KB Output is correct
5 Correct 6 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 6 ms 29324 KB Output is correct
9 Correct 6 ms 29276 KB Output is correct
10 Correct 7 ms 29276 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 31320 KB Output is correct
2 Correct 6 ms 29276 KB Output is correct
3 Correct 8 ms 31452 KB Output is correct
4 Correct 7 ms 31324 KB Output is correct
5 Correct 6 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 6 ms 29324 KB Output is correct
9 Correct 6 ms 29276 KB Output is correct
10 Correct 7 ms 29276 KB Output is correct
11 Correct 8 ms 31832 KB Output is correct
12 Correct 9 ms 33476 KB Output is correct
13 Correct 9 ms 33636 KB Output is correct
14 Correct 10 ms 33632 KB Output is correct
15 Correct 10 ms 33624 KB Output is correct
16 Correct 10 ms 31580 KB Output is correct
17 Correct 9 ms 31580 KB Output is correct
18 Correct 10 ms 31580 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1205 ms 121040 KB Output is correct
2 Correct 1237 ms 129404 KB Output is correct
3 Correct 1199 ms 129064 KB Output is correct
4 Correct 1207 ms 129768 KB Output is correct
5 Correct 999 ms 113388 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 40896 KB Output is correct
2 Correct 76 ms 40928 KB Output is correct
3 Correct 66 ms 36880 KB Output is correct
4 Correct 67 ms 36684 KB Output is correct
5 Correct 69 ms 36688 KB Output is correct
6 Correct 56 ms 40788 KB Output is correct
7 Correct 56 ms 40704 KB Output is correct
8 Correct 63 ms 36080 KB Output is correct
9 Correct 34 ms 33796 KB Output is correct
10 Correct 65 ms 36604 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 31320 KB Output is correct
2 Correct 6 ms 29276 KB Output is correct
3 Correct 8 ms 31452 KB Output is correct
4 Correct 7 ms 31324 KB Output is correct
5 Correct 6 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 6 ms 29324 KB Output is correct
9 Correct 6 ms 29276 KB Output is correct
10 Correct 7 ms 29276 KB Output is correct
11 Correct 8 ms 31832 KB Output is correct
12 Correct 9 ms 33476 KB Output is correct
13 Correct 9 ms 33636 KB Output is correct
14 Correct 10 ms 33632 KB Output is correct
15 Correct 10 ms 33624 KB Output is correct
16 Correct 10 ms 31580 KB Output is correct
17 Correct 9 ms 31580 KB Output is correct
18 Correct 10 ms 31580 KB Output is correct
19 Correct 197 ms 52560 KB Output is correct
20 Correct 180 ms 52620 KB Output is correct
21 Correct 171 ms 53304 KB Output is correct
22 Correct 164 ms 52876 KB Output is correct
23 Correct 161 ms 52852 KB Output is correct
24 Correct 131 ms 46760 KB Output is correct
25 Correct 126 ms 46676 KB Output is correct
26 Correct 146 ms 46484 KB Output is correct
27 Correct 140 ms 46672 KB Output is correct
28 Correct 143 ms 46576 KB Output is correct
29 Correct 149 ms 46404 KB Output is correct
30 Correct 151 ms 46640 KB Output is correct
31 Correct 166 ms 46548 KB Output is correct
32 Correct 150 ms 46340 KB Output is correct
33 Correct 149 ms 46332 KB Output is correct
34 Correct 116 ms 50112 KB Output is correct
35 Correct 117 ms 50148 KB Output is correct
36 Correct 116 ms 50180 KB Output is correct
37 Correct 117 ms 50240 KB Output is correct
38 Correct 124 ms 50464 KB Output is correct
39 Correct 151 ms 46084 KB Output is correct
40 Correct 103 ms 42156 KB Output is correct
41 Correct 139 ms 45268 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 31320 KB Output is correct
2 Correct 6 ms 29276 KB Output is correct
3 Correct 8 ms 31452 KB Output is correct
4 Correct 7 ms 31324 KB Output is correct
5 Correct 6 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 6 ms 29324 KB Output is correct
9 Correct 6 ms 29276 KB Output is correct
10 Correct 7 ms 29276 KB Output is correct
11 Correct 8 ms 31832 KB Output is correct
12 Correct 9 ms 33476 KB Output is correct
13 Correct 9 ms 33636 KB Output is correct
14 Correct 10 ms 33632 KB Output is correct
15 Correct 10 ms 33624 KB Output is correct
16 Correct 10 ms 31580 KB Output is correct
17 Correct 9 ms 31580 KB Output is correct
18 Correct 10 ms 31580 KB Output is correct
19 Correct 1205 ms 121040 KB Output is correct
20 Correct 1237 ms 129404 KB Output is correct
21 Correct 1199 ms 129064 KB Output is correct
22 Correct 1207 ms 129768 KB Output is correct
23 Correct 999 ms 113388 KB Output is correct
24 Correct 89 ms 40896 KB Output is correct
25 Correct 76 ms 40928 KB Output is correct
26 Correct 66 ms 36880 KB Output is correct
27 Correct 67 ms 36684 KB Output is correct
28 Correct 69 ms 36688 KB Output is correct
29 Correct 56 ms 40788 KB Output is correct
30 Correct 56 ms 40704 KB Output is correct
31 Correct 63 ms 36080 KB Output is correct
32 Correct 34 ms 33796 KB Output is correct
33 Correct 65 ms 36604 KB Output is correct
34 Correct 197 ms 52560 KB Output is correct
35 Correct 180 ms 52620 KB Output is correct
36 Correct 171 ms 53304 KB Output is correct
37 Correct 164 ms 52876 KB Output is correct
38 Correct 161 ms 52852 KB Output is correct
39 Correct 131 ms 46760 KB Output is correct
40 Correct 126 ms 46676 KB Output is correct
41 Correct 146 ms 46484 KB Output is correct
42 Correct 140 ms 46672 KB Output is correct
43 Correct 143 ms 46576 KB Output is correct
44 Correct 149 ms 46404 KB Output is correct
45 Correct 151 ms 46640 KB Output is correct
46 Correct 166 ms 46548 KB Output is correct
47 Correct 150 ms 46340 KB Output is correct
48 Correct 149 ms 46332 KB Output is correct
49 Correct 116 ms 50112 KB Output is correct
50 Correct 117 ms 50148 KB Output is correct
51 Correct 116 ms 50180 KB Output is correct
52 Correct 117 ms 50240 KB Output is correct
53 Correct 124 ms 50464 KB Output is correct
54 Correct 151 ms 46084 KB Output is correct
55 Correct 103 ms 42156 KB Output is correct
56 Correct 139 ms 45268 KB Output is correct
57 Correct 1210 ms 128224 KB Output is correct
58 Correct 1182 ms 128340 KB Output is correct
59 Correct 1088 ms 129224 KB Output is correct
60 Correct 1129 ms 129180 KB Output is correct
61 Correct 1085 ms 129488 KB Output is correct
62 Correct 1071 ms 129308 KB Output is correct
63 Correct 706 ms 113712 KB Output is correct
64 Correct 694 ms 113488 KB Output is correct
65 Correct 871 ms 113060 KB Output is correct
66 Correct 921 ms 112988 KB Output is correct
67 Correct 877 ms 112976 KB Output is correct
68 Correct 920 ms 112108 KB Output is correct
69 Correct 926 ms 112236 KB Output is correct
70 Correct 949 ms 112308 KB Output is correct
71 Correct 902 ms 112212 KB Output is correct
72 Correct 921 ms 112208 KB Output is correct
73 Correct 625 ms 113684 KB Output is correct
74 Correct 600 ms 114500 KB Output is correct
75 Correct 579 ms 113492 KB Output is correct
76 Correct 582 ms 113948 KB Output is correct
77 Correct 579 ms 109900 KB Output is correct
78 Correct 862 ms 107252 KB Output is correct
79 Correct 573 ms 88844 KB Output is correct
80 Correct 789 ms 99836 KB Output is correct