#include <bits/stdc++.h>
using namespace std;
const int nx=1e6+5;
int n, m, v[nx], l, r, k, ans[nx];
vector<tuple<int, int, int>> d[nx];
stack<int> st;
struct segtree
{
int d[4*nx], lz[4*nx];
void pushlz(int l, int r, int i)
{
d[i]+=lz[i];
if (l==r) return void(lz[i]=0);
lz[2*i]+=lz[i];
lz[2*i+1]+=lz[i];
lz[i]=0;
}
void setval(int l, int r, int i, int idx)
{
pushlz(l, r, i);
if (idx<l||r<idx) return;
if (l==r) return void(d[i]=v[idx]);
int md=(l+r)/2;
setval(l, md, 2*i, idx);
setval(md+1, r, 2*i+1, idx);
d[i]=max(d[2*i], d[2*i+1]);
}
void update(int l, int r, int i, int ul, int ur, int vl)
{
if (ur<ul) return;
pushlz(l, r, i);
if (r<ul||ur<l) return;
if (ul<=l&&r<=ur) return lz[i]=vl, pushlz(l, r, i), void();
int md=(l+r)/2;
update(l, md, 2*i, ul, ur, vl);
update(md+1, r, 2*i+1, ul, ur, vl);
d[i]=max(d[2*i], d[2*i+1]);
}
int query(int l, int r, int i, int ql, int qr)
{
pushlz(l, r, i);
if (r<ql||qr<l) return INT_MIN;
if (ql<=l&&r<=qr) return d[i];
int md=(l+r)/2;
return max(query(l, md, 2*i, ql, qr), query(md+1, r, 2*i+1, ql, qr));
}
} s;
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>m;
for (int i=1; i<=n; i++) cin>>v[i];
for (int i=1; i<=4*n; i++) s.d[i]=INT_MIN;
v[n+1]=INT_MAX;
for (int i=0; i<m; i++) cin>>l>>r>>k, d[l].push_back({r, k, i});
st.push(n+1);
for (int i=n; i>=1; i--)
{
while (st.size()>1&&v[i]>v[st.top()])
{
int x=st.top();
st.pop();
s.setval(1, n, 1, x);
s.update(1, n, 1, x+1, st.top()-1, -v[x]);
}
s.update(1, n, 1, i+1, st.top()-1, v[i]);
st.push(i);
//cout<<i<<": ";
//for (int j=1; j<=n; j++) cout<<s.query(1, n, 1, j, j)<<' ';
//cout<<'\n';
for (auto [a, b, c]:d[i]) ans[c]=s.query(1, n, 1, i+1, a)<=b;
}
for (int i=0; i<m; i++) cout<<ans[i]<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26972 KB |
Output is correct |
2 |
Correct |
5 ms |
27144 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
5 ms |
26972 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
7 ms |
27168 KB |
Output is correct |
7 |
Correct |
6 ms |
26968 KB |
Output is correct |
8 |
Correct |
5 ms |
27176 KB |
Output is correct |
9 |
Correct |
5 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26972 KB |
Output is correct |
2 |
Correct |
5 ms |
27144 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
5 ms |
26972 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
7 ms |
27168 KB |
Output is correct |
7 |
Correct |
6 ms |
26968 KB |
Output is correct |
8 |
Correct |
5 ms |
27176 KB |
Output is correct |
9 |
Correct |
5 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27176 KB |
Output is correct |
11 |
Correct |
7 ms |
27224 KB |
Output is correct |
12 |
Correct |
9 ms |
27460 KB |
Output is correct |
13 |
Correct |
9 ms |
27228 KB |
Output is correct |
14 |
Correct |
10 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27556 KB |
Output is correct |
16 |
Correct |
8 ms |
27336 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1440 ms |
80636 KB |
Output is correct |
2 |
Correct |
1387 ms |
80620 KB |
Output is correct |
3 |
Correct |
1399 ms |
80696 KB |
Output is correct |
4 |
Correct |
1439 ms |
80408 KB |
Output is correct |
5 |
Correct |
1038 ms |
84748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
102 ms |
34636 KB |
Output is correct |
2 |
Correct |
111 ms |
36352 KB |
Output is correct |
3 |
Correct |
70 ms |
36952 KB |
Output is correct |
4 |
Correct |
68 ms |
36912 KB |
Output is correct |
5 |
Correct |
72 ms |
36956 KB |
Output is correct |
6 |
Correct |
56 ms |
35412 KB |
Output is correct |
7 |
Correct |
63 ms |
35396 KB |
Output is correct |
8 |
Correct |
68 ms |
36108 KB |
Output is correct |
9 |
Correct |
34 ms |
29960 KB |
Output is correct |
10 |
Correct |
73 ms |
36620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26972 KB |
Output is correct |
2 |
Correct |
5 ms |
27144 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
5 ms |
26972 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
7 ms |
27168 KB |
Output is correct |
7 |
Correct |
6 ms |
26968 KB |
Output is correct |
8 |
Correct |
5 ms |
27176 KB |
Output is correct |
9 |
Correct |
5 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27176 KB |
Output is correct |
11 |
Correct |
7 ms |
27224 KB |
Output is correct |
12 |
Correct |
9 ms |
27460 KB |
Output is correct |
13 |
Correct |
9 ms |
27228 KB |
Output is correct |
14 |
Correct |
10 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27556 KB |
Output is correct |
16 |
Correct |
8 ms |
27336 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
19 |
Correct |
236 ms |
47720 KB |
Output is correct |
20 |
Correct |
240 ms |
47696 KB |
Output is correct |
21 |
Correct |
204 ms |
47184 KB |
Output is correct |
22 |
Correct |
208 ms |
47384 KB |
Output is correct |
23 |
Correct |
214 ms |
47140 KB |
Output is correct |
24 |
Correct |
130 ms |
46928 KB |
Output is correct |
25 |
Correct |
147 ms |
46932 KB |
Output is correct |
26 |
Correct |
181 ms |
47700 KB |
Output is correct |
27 |
Correct |
146 ms |
47796 KB |
Output is correct |
28 |
Correct |
147 ms |
48208 KB |
Output is correct |
29 |
Correct |
175 ms |
48576 KB |
Output is correct |
30 |
Correct |
175 ms |
48668 KB |
Output is correct |
31 |
Correct |
201 ms |
48468 KB |
Output is correct |
32 |
Correct |
161 ms |
48600 KB |
Output is correct |
33 |
Correct |
159 ms |
48464 KB |
Output is correct |
34 |
Correct |
122 ms |
45964 KB |
Output is correct |
35 |
Correct |
146 ms |
46108 KB |
Output is correct |
36 |
Correct |
120 ms |
45776 KB |
Output is correct |
37 |
Correct |
118 ms |
45912 KB |
Output is correct |
38 |
Correct |
120 ms |
45904 KB |
Output is correct |
39 |
Correct |
156 ms |
46132 KB |
Output is correct |
40 |
Correct |
132 ms |
42860 KB |
Output is correct |
41 |
Correct |
140 ms |
45568 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26972 KB |
Output is correct |
2 |
Correct |
5 ms |
27144 KB |
Output is correct |
3 |
Correct |
5 ms |
26972 KB |
Output is correct |
4 |
Correct |
5 ms |
26972 KB |
Output is correct |
5 |
Correct |
5 ms |
26972 KB |
Output is correct |
6 |
Correct |
7 ms |
27168 KB |
Output is correct |
7 |
Correct |
6 ms |
26968 KB |
Output is correct |
8 |
Correct |
5 ms |
27176 KB |
Output is correct |
9 |
Correct |
5 ms |
26972 KB |
Output is correct |
10 |
Correct |
5 ms |
27176 KB |
Output is correct |
11 |
Correct |
7 ms |
27224 KB |
Output is correct |
12 |
Correct |
9 ms |
27460 KB |
Output is correct |
13 |
Correct |
9 ms |
27228 KB |
Output is correct |
14 |
Correct |
10 ms |
27484 KB |
Output is correct |
15 |
Correct |
10 ms |
27556 KB |
Output is correct |
16 |
Correct |
8 ms |
27336 KB |
Output is correct |
17 |
Correct |
8 ms |
27228 KB |
Output is correct |
18 |
Correct |
8 ms |
27228 KB |
Output is correct |
19 |
Correct |
1440 ms |
80636 KB |
Output is correct |
20 |
Correct |
1387 ms |
80620 KB |
Output is correct |
21 |
Correct |
1399 ms |
80696 KB |
Output is correct |
22 |
Correct |
1439 ms |
80408 KB |
Output is correct |
23 |
Correct |
1038 ms |
84748 KB |
Output is correct |
24 |
Correct |
102 ms |
34636 KB |
Output is correct |
25 |
Correct |
111 ms |
36352 KB |
Output is correct |
26 |
Correct |
70 ms |
36952 KB |
Output is correct |
27 |
Correct |
68 ms |
36912 KB |
Output is correct |
28 |
Correct |
72 ms |
36956 KB |
Output is correct |
29 |
Correct |
56 ms |
35412 KB |
Output is correct |
30 |
Correct |
63 ms |
35396 KB |
Output is correct |
31 |
Correct |
68 ms |
36108 KB |
Output is correct |
32 |
Correct |
34 ms |
29960 KB |
Output is correct |
33 |
Correct |
73 ms |
36620 KB |
Output is correct |
34 |
Correct |
236 ms |
47720 KB |
Output is correct |
35 |
Correct |
240 ms |
47696 KB |
Output is correct |
36 |
Correct |
204 ms |
47184 KB |
Output is correct |
37 |
Correct |
208 ms |
47384 KB |
Output is correct |
38 |
Correct |
214 ms |
47140 KB |
Output is correct |
39 |
Correct |
130 ms |
46928 KB |
Output is correct |
40 |
Correct |
147 ms |
46932 KB |
Output is correct |
41 |
Correct |
181 ms |
47700 KB |
Output is correct |
42 |
Correct |
146 ms |
47796 KB |
Output is correct |
43 |
Correct |
147 ms |
48208 KB |
Output is correct |
44 |
Correct |
175 ms |
48576 KB |
Output is correct |
45 |
Correct |
175 ms |
48668 KB |
Output is correct |
46 |
Correct |
201 ms |
48468 KB |
Output is correct |
47 |
Correct |
161 ms |
48600 KB |
Output is correct |
48 |
Correct |
159 ms |
48464 KB |
Output is correct |
49 |
Correct |
122 ms |
45964 KB |
Output is correct |
50 |
Correct |
146 ms |
46108 KB |
Output is correct |
51 |
Correct |
120 ms |
45776 KB |
Output is correct |
52 |
Correct |
118 ms |
45912 KB |
Output is correct |
53 |
Correct |
120 ms |
45904 KB |
Output is correct |
54 |
Correct |
156 ms |
46132 KB |
Output is correct |
55 |
Correct |
132 ms |
42860 KB |
Output is correct |
56 |
Correct |
140 ms |
45568 KB |
Output is correct |
57 |
Correct |
1481 ms |
114712 KB |
Output is correct |
58 |
Correct |
1487 ms |
114876 KB |
Output is correct |
59 |
Correct |
1348 ms |
112588 KB |
Output is correct |
60 |
Correct |
1422 ms |
112736 KB |
Output is correct |
61 |
Correct |
1392 ms |
112596 KB |
Output is correct |
62 |
Correct |
1295 ms |
112720 KB |
Output is correct |
63 |
Correct |
714 ms |
108292 KB |
Output is correct |
64 |
Correct |
650 ms |
108136 KB |
Output is correct |
65 |
Correct |
918 ms |
116820 KB |
Output is correct |
66 |
Correct |
916 ms |
116952 KB |
Output is correct |
67 |
Correct |
933 ms |
117080 KB |
Output is correct |
68 |
Correct |
1008 ms |
119016 KB |
Output is correct |
69 |
Correct |
1041 ms |
118868 KB |
Output is correct |
70 |
Correct |
1041 ms |
118460 KB |
Output is correct |
71 |
Correct |
1052 ms |
118384 KB |
Output is correct |
72 |
Correct |
1010 ms |
118428 KB |
Output is correct |
73 |
Correct |
592 ms |
106540 KB |
Output is correct |
74 |
Correct |
609 ms |
107676 KB |
Output is correct |
75 |
Correct |
604 ms |
106644 KB |
Output is correct |
76 |
Correct |
607 ms |
106580 KB |
Output is correct |
77 |
Correct |
612 ms |
106776 KB |
Output is correct |
78 |
Correct |
952 ms |
107604 KB |
Output is correct |
79 |
Correct |
683 ms |
87380 KB |
Output is correct |
80 |
Correct |
889 ms |
104096 KB |
Output is correct |