oj.uz

Submission #500961

# Submission time Handle Problem Language Result Execution time Memory
500961 2022-01-01T18:19:21 Z IOI_champion_in_1980 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1426 ms 107364 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
const long long inf = 2000000000;
#define ll long long
#define int long long
#define F first
#define S second
#define pb push_back
int n, m, a[N], l[N], r[N], k[N];
int t[4*N], mx;
bool ans[N];
vector<int> v[N];
void update(int pos, int val, int tl = 1, int tr = n, int v = 1){
    if(tl == tr) {
        t[v] = max(t[v], val);
    }
    else{
        int tm = (tl + tr) / 2;
        if(pos <= tm) update(pos, val, tl, tm, v * 2);
        else update(pos, val, tm + 1, tr, v * 2 + 1);
        t[v] = max(t[v * 2], t[v * 2 + 1]);
    }
}
int get(int v, int tl, int tr, int l, int r){
    if(l <= tl && tr <= r) return t[v];
    if(l > tr || r < tl) return 0;
    int tm = (tl + tr) / 2;
    return max(get(v * 2, tl, tm, l, r), get(v * 2 + 1, tm + 1, tr, l, r));
}
 main()
{
	ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
	cin >> n >> m;
	for(int i = 1; i <= n; ++i){
        cin >> a[i];
    }
	for(int i = 1; i <= m; ++i){
        cin >> l[i] >> r[i] >> k[i];
        v[r[i]].pb(i);
    }
    stack<int> st;
    st.push(0);
    a[0] = inf;
	for(int i = 1; i <= n; ++i){
        while(a[st.top()] <= a[i]) st.pop();
        if(st.top() != 0) update(st.top(), a[st.top()] + a[i]);
        st.push(i);
        for(auto to : v[i]){
            mx = get(1, 1, n, l[to], i);
            if(mx <= k[to]) ans[to] = 1;
        }
    }
	for(int i = 1; i <= m; ++i){
        cout << ans[i] << '\n';
    }
    return 0;
}

Compilation message

sortbooks.cpp:31:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 |  main()
      |  ^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23884 KB Output is correct
3 Correct 11 ms 23808 KB Output is correct
4 Correct 12 ms 23784 KB Output is correct
5 Correct 11 ms 23800 KB Output is correct
6 Correct 13 ms 23884 KB Output is correct
7 Correct 12 ms 23812 KB Output is correct
8 Correct 11 ms 23884 KB Output is correct
9 Correct 12 ms 23808 KB Output is correct
10 Correct 11 ms 23884 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23884 KB Output is correct
3 Correct 11 ms 23808 KB Output is correct
4 Correct 12 ms 23784 KB Output is correct
5 Correct 11 ms 23800 KB Output is correct
6 Correct 13 ms 23884 KB Output is correct
7 Correct 12 ms 23812 KB Output is correct
8 Correct 11 ms 23884 KB Output is correct
9 Correct 12 ms 23808 KB Output is correct
10 Correct 11 ms 23884 KB Output is correct
11 Correct 14 ms 24072 KB Output is correct
12 Correct 18 ms 24176 KB Output is correct
13 Correct 17 ms 24268 KB Output is correct
14 Correct 19 ms 24320 KB Output is correct
15 Correct 17 ms 24400 KB Output is correct
16 Correct 16 ms 24268 KB Output is correct
17 Correct 14 ms 24204 KB Output is correct
18 Correct 14 ms 24180 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1424 ms 107364 KB Output is correct
2 Correct 1415 ms 107172 KB Output is correct
3 Correct 1379 ms 107316 KB Output is correct
4 Correct 1421 ms 106896 KB Output is correct
5 Correct 1154 ms 91932 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 33156 KB Output is correct
2 Correct 91 ms 32544 KB Output is correct
3 Correct 84 ms 30848 KB Output is correct
4 Correct 83 ms 31056 KB Output is correct
5 Correct 89 ms 31108 KB Output is correct
6 Correct 73 ms 30148 KB Output is correct
7 Correct 76 ms 30112 KB Output is correct
8 Correct 80 ms 30620 KB Output is correct
9 Correct 49 ms 28736 KB Output is correct
10 Correct 88 ms 30620 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23884 KB Output is correct
3 Correct 11 ms 23808 KB Output is correct
4 Correct 12 ms 23784 KB Output is correct
5 Correct 11 ms 23800 KB Output is correct
6 Correct 13 ms 23884 KB Output is correct
7 Correct 12 ms 23812 KB Output is correct
8 Correct 11 ms 23884 KB Output is correct
9 Correct 12 ms 23808 KB Output is correct
10 Correct 11 ms 23884 KB Output is correct
11 Correct 14 ms 24072 KB Output is correct
12 Correct 18 ms 24176 KB Output is correct
13 Correct 17 ms 24268 KB Output is correct
14 Correct 19 ms 24320 KB Output is correct
15 Correct 17 ms 24400 KB Output is correct
16 Correct 16 ms 24268 KB Output is correct
17 Correct 14 ms 24204 KB Output is correct
18 Correct 14 ms 24180 KB Output is correct
19 Correct 224 ms 45072 KB Output is correct
20 Correct 271 ms 45112 KB Output is correct
21 Correct 198 ms 43844 KB Output is correct
22 Correct 194 ms 43888 KB Output is correct
23 Correct 253 ms 43804 KB Output is correct
24 Correct 165 ms 39540 KB Output is correct
25 Correct 168 ms 39568 KB Output is correct
26 Correct 186 ms 40196 KB Output is correct
27 Correct 221 ms 40304 KB Output is correct
28 Correct 192 ms 40340 KB Output is correct
29 Correct 209 ms 41072 KB Output is correct
30 Correct 197 ms 40924 KB Output is correct
31 Correct 200 ms 41016 KB Output is correct
32 Correct 200 ms 40900 KB Output is correct
33 Correct 210 ms 40976 KB Output is correct
34 Correct 150 ms 39164 KB Output is correct
35 Correct 163 ms 39188 KB Output is correct
36 Correct 161 ms 38904 KB Output is correct
37 Correct 170 ms 39076 KB Output is correct
38 Correct 169 ms 39308 KB Output is correct
39 Correct 174 ms 40656 KB Output is correct
40 Correct 145 ms 37692 KB Output is correct
41 Correct 171 ms 38892 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23756 KB Output is correct
2 Correct 12 ms 23884 KB Output is correct
3 Correct 11 ms 23808 KB Output is correct
4 Correct 12 ms 23784 KB Output is correct
5 Correct 11 ms 23800 KB Output is correct
6 Correct 13 ms 23884 KB Output is correct
7 Correct 12 ms 23812 KB Output is correct
8 Correct 11 ms 23884 KB Output is correct
9 Correct 12 ms 23808 KB Output is correct
10 Correct 11 ms 23884 KB Output is correct
11 Correct 14 ms 24072 KB Output is correct
12 Correct 18 ms 24176 KB Output is correct
13 Correct 17 ms 24268 KB Output is correct
14 Correct 19 ms 24320 KB Output is correct
15 Correct 17 ms 24400 KB Output is correct
16 Correct 16 ms 24268 KB Output is correct
17 Correct 14 ms 24204 KB Output is correct
18 Correct 14 ms 24180 KB Output is correct
19 Correct 1424 ms 107364 KB Output is correct
20 Correct 1415 ms 107172 KB Output is correct
21 Correct 1379 ms 107316 KB Output is correct
22 Correct 1421 ms 106896 KB Output is correct
23 Correct 1154 ms 91932 KB Output is correct
24 Correct 100 ms 33156 KB Output is correct
25 Correct 91 ms 32544 KB Output is correct
26 Correct 84 ms 30848 KB Output is correct
27 Correct 83 ms 31056 KB Output is correct
28 Correct 89 ms 31108 KB Output is correct
29 Correct 73 ms 30148 KB Output is correct
30 Correct 76 ms 30112 KB Output is correct
31 Correct 80 ms 30620 KB Output is correct
32 Correct 49 ms 28736 KB Output is correct
33 Correct 88 ms 30620 KB Output is correct
34 Correct 224 ms 45072 KB Output is correct
35 Correct 271 ms 45112 KB Output is correct
36 Correct 198 ms 43844 KB Output is correct
37 Correct 194 ms 43888 KB Output is correct
38 Correct 253 ms 43804 KB Output is correct
39 Correct 165 ms 39540 KB Output is correct
40 Correct 168 ms 39568 KB Output is correct
41 Correct 186 ms 40196 KB Output is correct
42 Correct 221 ms 40304 KB Output is correct
43 Correct 192 ms 40340 KB Output is correct
44 Correct 209 ms 41072 KB Output is correct
45 Correct 197 ms 40924 KB Output is correct
46 Correct 200 ms 41016 KB Output is correct
47 Correct 200 ms 40900 KB Output is correct
48 Correct 210 ms 40976 KB Output is correct
49 Correct 150 ms 39164 KB Output is correct
50 Correct 163 ms 39188 KB Output is correct
51 Correct 161 ms 38904 KB Output is correct
52 Correct 170 ms 39076 KB Output is correct
53 Correct 169 ms 39308 KB Output is correct
54 Correct 174 ms 40656 KB Output is correct
55 Correct 145 ms 37692 KB Output is correct
56 Correct 171 ms 38892 KB Output is correct
57 Correct 1426 ms 94376 KB Output is correct
58 Correct 1415 ms 94164 KB Output is correct
59 Correct 1280 ms 91576 KB Output is correct
60 Correct 1334 ms 91548 KB Output is correct
61 Correct 1299 ms 91520 KB Output is correct
62 Correct 1290 ms 91548 KB Output is correct
63 Correct 859 ms 71264 KB Output is correct
64 Correct 820 ms 71188 KB Output is correct
65 Correct 1063 ms 74824 KB Output is correct
66 Correct 1069 ms 74856 KB Output is correct
67 Correct 1108 ms 86652 KB Output is correct
68 Correct 1128 ms 77844 KB Output is correct
69 Correct 1114 ms 77832 KB Output is correct
70 Correct 1096 ms 78376 KB Output is correct
71 Correct 1147 ms 78304 KB Output is correct
72 Correct 1102 ms 77168 KB Output is correct
73 Correct 781 ms 70776 KB Output is correct
74 Correct 834 ms 74092 KB Output is correct
75 Correct 782 ms 74024 KB Output is correct
76 Correct 810 ms 72828 KB Output is correct
77 Correct 786 ms 72388 KB Output is correct
78 Correct 1038 ms 81036 KB Output is correct
79 Correct 696 ms 70724 KB Output is correct
80 Correct 986 ms 76972 KB Output is correct