#include <iostream>
#include <vector>
#include <stack>
using namespace std;
#define endl '\n'
const int MAXN=1e6+10;
struct Element {
int l;
int k;
int ind;
};
int a[MAXN];
bool ans[MAXN];
vector <Element> que[MAXN];
stack <int> st;
int tree[4*MAXN];
void update(int node, int l, int r, int qind, int ch) {
if (qind>r || qind<l) return;
if (l==r) {
tree[node]=ch;
return;
}
int mid=(l+r)/2;
update(node*2,l,mid,qind,ch);
update(node*2+1,mid+1,r,qind,ch);
tree[node]=max(tree[node*2],tree[node*2+1]);
}
int query(int node, int l, int r, int ql, int qr) {
if (ql>r || qr<l) return -1;
if (l>=ql && r<=qr) return tree[node];
int mid=(l+r)/2;
return max(query(node*2,l,mid,ql,qr),query(node*2+1,mid+1,r,ql,qr));
}
int main () {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, m;
cin >> n >> m;
for (int i=1;i<=n;i++) cin >> a[i];
int l, r, k;
for (int i=0;i<m;i++) {
cin >> l >> r >> k;
que[r].push_back({l,k,i});
}
for (int i=1;i<=n;i++) {
while (!st.empty() && a[i]>=a[st.top()]) st.pop();
if (!st.empty()) update(1,1,n,st.top(),a[i]+a[st.top()]);
st.push(i);
for (auto cur:que[i]) {
ans[cur.ind]=(query(1,1,n,cur.l,i)<=cur.k);
}
}
for (int i=0;i<m;i++) cout << ans[i] << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
26968 KB |
Output is correct |
2 |
Correct |
5 ms |
26972 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
6 ms |
27144 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
6 ms |
26972 KB |
Output is correct |
7 |
Correct |
5 ms |
27152 KB |
Output is correct |
8 |
Correct |
5 ms |
26972 KB |
Output is correct |
9 |
Correct |
6 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27168 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
26968 KB |
Output is correct |
2 |
Correct |
5 ms |
26972 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
6 ms |
27144 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
6 ms |
26972 KB |
Output is correct |
7 |
Correct |
5 ms |
27152 KB |
Output is correct |
8 |
Correct |
5 ms |
26972 KB |
Output is correct |
9 |
Correct |
6 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27168 KB |
Output is correct |
11 |
Correct |
7 ms |
27228 KB |
Output is correct |
12 |
Correct |
7 ms |
27228 KB |
Output is correct |
13 |
Correct |
8 ms |
27480 KB |
Output is correct |
14 |
Correct |
9 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27228 KB |
Output is correct |
16 |
Correct |
9 ms |
27228 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1028 ms |
93684 KB |
Output is correct |
2 |
Correct |
1024 ms |
94572 KB |
Output is correct |
3 |
Correct |
1024 ms |
94544 KB |
Output is correct |
4 |
Correct |
1028 ms |
94964 KB |
Output is correct |
5 |
Correct |
877 ms |
86228 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
78 ms |
33616 KB |
Output is correct |
2 |
Correct |
76 ms |
33248 KB |
Output is correct |
3 |
Correct |
64 ms |
31136 KB |
Output is correct |
4 |
Correct |
65 ms |
31200 KB |
Output is correct |
5 |
Correct |
65 ms |
31228 KB |
Output is correct |
6 |
Correct |
54 ms |
32960 KB |
Output is correct |
7 |
Correct |
53 ms |
32852 KB |
Output is correct |
8 |
Correct |
61 ms |
30988 KB |
Output is correct |
9 |
Correct |
32 ms |
29972 KB |
Output is correct |
10 |
Correct |
61 ms |
30984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
26968 KB |
Output is correct |
2 |
Correct |
5 ms |
26972 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
6 ms |
27144 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
6 ms |
26972 KB |
Output is correct |
7 |
Correct |
5 ms |
27152 KB |
Output is correct |
8 |
Correct |
5 ms |
26972 KB |
Output is correct |
9 |
Correct |
6 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27168 KB |
Output is correct |
11 |
Correct |
7 ms |
27228 KB |
Output is correct |
12 |
Correct |
7 ms |
27228 KB |
Output is correct |
13 |
Correct |
8 ms |
27480 KB |
Output is correct |
14 |
Correct |
9 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27228 KB |
Output is correct |
16 |
Correct |
9 ms |
27228 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
19 |
Correct |
174 ms |
40532 KB |
Output is correct |
20 |
Correct |
176 ms |
40432 KB |
Output is correct |
21 |
Correct |
154 ms |
39760 KB |
Output is correct |
22 |
Correct |
155 ms |
39760 KB |
Output is correct |
23 |
Correct |
156 ms |
39760 KB |
Output is correct |
24 |
Correct |
120 ms |
37392 KB |
Output is correct |
25 |
Correct |
121 ms |
37360 KB |
Output is correct |
26 |
Correct |
136 ms |
37892 KB |
Output is correct |
27 |
Correct |
133 ms |
37644 KB |
Output is correct |
28 |
Correct |
136 ms |
37968 KB |
Output is correct |
29 |
Correct |
151 ms |
38228 KB |
Output is correct |
30 |
Correct |
142 ms |
38224 KB |
Output is correct |
31 |
Correct |
142 ms |
38228 KB |
Output is correct |
32 |
Correct |
148 ms |
38224 KB |
Output is correct |
33 |
Correct |
142 ms |
38228 KB |
Output is correct |
34 |
Correct |
113 ms |
39000 KB |
Output is correct |
35 |
Correct |
113 ms |
38996 KB |
Output is correct |
36 |
Correct |
118 ms |
39180 KB |
Output is correct |
37 |
Correct |
112 ms |
38736 KB |
Output is correct |
38 |
Correct |
116 ms |
38996 KB |
Output is correct |
39 |
Correct |
139 ms |
37352 KB |
Output is correct |
40 |
Correct |
99 ms |
35584 KB |
Output is correct |
41 |
Correct |
125 ms |
36336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
26968 KB |
Output is correct |
2 |
Correct |
5 ms |
26972 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
6 ms |
27144 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
6 ms |
26972 KB |
Output is correct |
7 |
Correct |
5 ms |
27152 KB |
Output is correct |
8 |
Correct |
5 ms |
26972 KB |
Output is correct |
9 |
Correct |
6 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27168 KB |
Output is correct |
11 |
Correct |
7 ms |
27228 KB |
Output is correct |
12 |
Correct |
7 ms |
27228 KB |
Output is correct |
13 |
Correct |
8 ms |
27480 KB |
Output is correct |
14 |
Correct |
9 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27228 KB |
Output is correct |
16 |
Correct |
9 ms |
27228 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
19 |
Correct |
1028 ms |
93684 KB |
Output is correct |
20 |
Correct |
1024 ms |
94572 KB |
Output is correct |
21 |
Correct |
1024 ms |
94544 KB |
Output is correct |
22 |
Correct |
1028 ms |
94964 KB |
Output is correct |
23 |
Correct |
877 ms |
86228 KB |
Output is correct |
24 |
Correct |
78 ms |
33616 KB |
Output is correct |
25 |
Correct |
76 ms |
33248 KB |
Output is correct |
26 |
Correct |
64 ms |
31136 KB |
Output is correct |
27 |
Correct |
65 ms |
31200 KB |
Output is correct |
28 |
Correct |
65 ms |
31228 KB |
Output is correct |
29 |
Correct |
54 ms |
32960 KB |
Output is correct |
30 |
Correct |
53 ms |
32852 KB |
Output is correct |
31 |
Correct |
61 ms |
30988 KB |
Output is correct |
32 |
Correct |
32 ms |
29972 KB |
Output is correct |
33 |
Correct |
61 ms |
30984 KB |
Output is correct |
34 |
Correct |
174 ms |
40532 KB |
Output is correct |
35 |
Correct |
176 ms |
40432 KB |
Output is correct |
36 |
Correct |
154 ms |
39760 KB |
Output is correct |
37 |
Correct |
155 ms |
39760 KB |
Output is correct |
38 |
Correct |
156 ms |
39760 KB |
Output is correct |
39 |
Correct |
120 ms |
37392 KB |
Output is correct |
40 |
Correct |
121 ms |
37360 KB |
Output is correct |
41 |
Correct |
136 ms |
37892 KB |
Output is correct |
42 |
Correct |
133 ms |
37644 KB |
Output is correct |
43 |
Correct |
136 ms |
37968 KB |
Output is correct |
44 |
Correct |
151 ms |
38228 KB |
Output is correct |
45 |
Correct |
142 ms |
38224 KB |
Output is correct |
46 |
Correct |
142 ms |
38228 KB |
Output is correct |
47 |
Correct |
148 ms |
38224 KB |
Output is correct |
48 |
Correct |
142 ms |
38228 KB |
Output is correct |
49 |
Correct |
113 ms |
39000 KB |
Output is correct |
50 |
Correct |
113 ms |
38996 KB |
Output is correct |
51 |
Correct |
118 ms |
39180 KB |
Output is correct |
52 |
Correct |
112 ms |
38736 KB |
Output is correct |
53 |
Correct |
116 ms |
38996 KB |
Output is correct |
54 |
Correct |
139 ms |
37352 KB |
Output is correct |
55 |
Correct |
99 ms |
35584 KB |
Output is correct |
56 |
Correct |
125 ms |
36336 KB |
Output is correct |
57 |
Correct |
1040 ms |
94724 KB |
Output is correct |
58 |
Correct |
1031 ms |
94692 KB |
Output is correct |
59 |
Correct |
950 ms |
93552 KB |
Output is correct |
60 |
Correct |
939 ms |
93476 KB |
Output is correct |
61 |
Correct |
947 ms |
93360 KB |
Output is correct |
62 |
Correct |
950 ms |
93268 KB |
Output is correct |
63 |
Correct |
619 ms |
81748 KB |
Output is correct |
64 |
Correct |
613 ms |
81748 KB |
Output is correct |
65 |
Correct |
772 ms |
84788 KB |
Output is correct |
66 |
Correct |
775 ms |
84764 KB |
Output is correct |
67 |
Correct |
787 ms |
85072 KB |
Output is correct |
68 |
Correct |
887 ms |
86488 KB |
Output is correct |
69 |
Correct |
865 ms |
86612 KB |
Output is correct |
70 |
Correct |
834 ms |
86368 KB |
Output is correct |
71 |
Correct |
854 ms |
86532 KB |
Output is correct |
72 |
Correct |
835 ms |
86100 KB |
Output is correct |
73 |
Correct |
571 ms |
81864 KB |
Output is correct |
74 |
Correct |
569 ms |
82768 KB |
Output is correct |
75 |
Correct |
586 ms |
81932 KB |
Output is correct |
76 |
Correct |
561 ms |
81796 KB |
Output is correct |
77 |
Correct |
562 ms |
81744 KB |
Output is correct |
78 |
Correct |
756 ms |
81148 KB |
Output is correct |
79 |
Correct |
533 ms |
70904 KB |
Output is correct |
80 |
Correct |
759 ms |
76252 KB |
Output is correct |