#include <bits/stdc++.h>
using namespace std;
#define MAXN 1000001
int n,m;
int w[MAXN];
int last[MAXN];
stack<pair<int,int>> st;
vector<pair<pair<int,int>,pair<int,int>>> queries;
int seg[MAXN*4];
int ans[MAXN];
void update(int node,int l,int r,int pos,int val)
{
if (l==r) seg[node]=val;
else
{
int mid=(l+r)/2;
if (pos<=mid) update(2*node,l,mid,pos,val);
else update(2*node+1,mid+1,r,pos,val);
seg[node]=max(seg[2*node],seg[2*node+1]);
}
}
int query(int node,int l,int r,int a,int b)
{
if (a>b) return -INT_MAX;
if (l==a and r==b) return seg[node];
int mid=(l+r)/2;
return max(query(2*node,l,mid,a,min(b,mid)),query(2*node+1,mid+1,r,max(a,mid+1),b));
}
int main()
{
ios_base::sync_with_stdio(false);
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
cin>>n>>m;
for (int i=1;i<=n;i++) cin>>w[i];
for (int i=1;i<=n;i++)
{
while (st.size()!=0 and st.top().first<=w[i]) st.pop();
if (st.size()==0) last[i]=-1;
else last[i]=st.top().second;
st.push({w[i],i});
}
for (int i=0;i<m;i++)
{
int l,r,k;cin>>l>>r>>k;
queries.push_back({{r,l},{k,i}});
}
sort(queries.begin(),queries.end());
int trenr=0;
for (int i=0;i<m;i++)
{
while (trenr<queries[i].first.first)
{
trenr++;
if (last[trenr]==-1) continue;
update(1,1,n,last[trenr],w[trenr]+w[last[trenr]]);
}
int sol=query(1,1,n,queries[i].first.second,queries[i].first.first);
if (sol<=queries[i].second.first) ans[queries[i].second.second]=1;
else ans[queries[i].second.second]=0;
}
for (int i=0;i<m;i++) cout<<ans[i]<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2488 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2488 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
5 ms |
4700 KB |
Output is correct |
12 |
Correct |
4 ms |
2540 KB |
Output is correct |
13 |
Correct |
5 ms |
2652 KB |
Output is correct |
14 |
Correct |
9 ms |
2652 KB |
Output is correct |
15 |
Correct |
8 ms |
2652 KB |
Output is correct |
16 |
Correct |
8 ms |
2648 KB |
Output is correct |
17 |
Correct |
7 ms |
2652 KB |
Output is correct |
18 |
Correct |
7 ms |
2648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1681 ms |
39068 KB |
Output is correct |
2 |
Correct |
1698 ms |
39072 KB |
Output is correct |
3 |
Correct |
1758 ms |
39104 KB |
Output is correct |
4 |
Correct |
1786 ms |
39072 KB |
Output is correct |
5 |
Correct |
1571 ms |
30680 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
169 ms |
6084 KB |
Output is correct |
2 |
Correct |
153 ms |
6056 KB |
Output is correct |
3 |
Correct |
149 ms |
5080 KB |
Output is correct |
4 |
Correct |
145 ms |
6724 KB |
Output is correct |
5 |
Correct |
145 ms |
5076 KB |
Output is correct |
6 |
Correct |
139 ms |
5080 KB |
Output is correct |
7 |
Correct |
142 ms |
6864 KB |
Output is correct |
8 |
Correct |
140 ms |
6852 KB |
Output is correct |
9 |
Correct |
132 ms |
4648 KB |
Output is correct |
10 |
Correct |
142 ms |
5076 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2488 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
5 ms |
4700 KB |
Output is correct |
12 |
Correct |
4 ms |
2540 KB |
Output is correct |
13 |
Correct |
5 ms |
2652 KB |
Output is correct |
14 |
Correct |
9 ms |
2652 KB |
Output is correct |
15 |
Correct |
8 ms |
2652 KB |
Output is correct |
16 |
Correct |
8 ms |
2648 KB |
Output is correct |
17 |
Correct |
7 ms |
2652 KB |
Output is correct |
18 |
Correct |
7 ms |
2648 KB |
Output is correct |
19 |
Correct |
320 ms |
9660 KB |
Output is correct |
20 |
Correct |
319 ms |
9552 KB |
Output is correct |
21 |
Correct |
327 ms |
9664 KB |
Output is correct |
22 |
Correct |
332 ms |
9664 KB |
Output is correct |
23 |
Correct |
337 ms |
11060 KB |
Output is correct |
24 |
Correct |
301 ms |
7592 KB |
Output is correct |
25 |
Correct |
297 ms |
7744 KB |
Output is correct |
26 |
Correct |
316 ms |
7616 KB |
Output is correct |
27 |
Correct |
300 ms |
7616 KB |
Output is correct |
28 |
Correct |
318 ms |
7672 KB |
Output is correct |
29 |
Correct |
300 ms |
7620 KB |
Output is correct |
30 |
Correct |
307 ms |
7608 KB |
Output is correct |
31 |
Correct |
305 ms |
7732 KB |
Output is correct |
32 |
Correct |
308 ms |
7724 KB |
Output is correct |
33 |
Correct |
316 ms |
7616 KB |
Output is correct |
34 |
Correct |
331 ms |
7632 KB |
Output is correct |
35 |
Correct |
299 ms |
7552 KB |
Output is correct |
36 |
Correct |
302 ms |
7616 KB |
Output is correct |
37 |
Correct |
304 ms |
8900 KB |
Output is correct |
38 |
Correct |
311 ms |
7616 KB |
Output is correct |
39 |
Correct |
300 ms |
8380 KB |
Output is correct |
40 |
Correct |
265 ms |
9056 KB |
Output is correct |
41 |
Correct |
294 ms |
8980 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2488 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
5 ms |
4700 KB |
Output is correct |
12 |
Correct |
4 ms |
2540 KB |
Output is correct |
13 |
Correct |
5 ms |
2652 KB |
Output is correct |
14 |
Correct |
9 ms |
2652 KB |
Output is correct |
15 |
Correct |
8 ms |
2652 KB |
Output is correct |
16 |
Correct |
8 ms |
2648 KB |
Output is correct |
17 |
Correct |
7 ms |
2652 KB |
Output is correct |
18 |
Correct |
7 ms |
2648 KB |
Output is correct |
19 |
Correct |
1681 ms |
39068 KB |
Output is correct |
20 |
Correct |
1698 ms |
39072 KB |
Output is correct |
21 |
Correct |
1758 ms |
39104 KB |
Output is correct |
22 |
Correct |
1786 ms |
39072 KB |
Output is correct |
23 |
Correct |
1571 ms |
30680 KB |
Output is correct |
24 |
Correct |
169 ms |
6084 KB |
Output is correct |
25 |
Correct |
153 ms |
6056 KB |
Output is correct |
26 |
Correct |
149 ms |
5080 KB |
Output is correct |
27 |
Correct |
145 ms |
6724 KB |
Output is correct |
28 |
Correct |
145 ms |
5076 KB |
Output is correct |
29 |
Correct |
139 ms |
5080 KB |
Output is correct |
30 |
Correct |
142 ms |
6864 KB |
Output is correct |
31 |
Correct |
140 ms |
6852 KB |
Output is correct |
32 |
Correct |
132 ms |
4648 KB |
Output is correct |
33 |
Correct |
142 ms |
5076 KB |
Output is correct |
34 |
Correct |
320 ms |
9660 KB |
Output is correct |
35 |
Correct |
319 ms |
9552 KB |
Output is correct |
36 |
Correct |
327 ms |
9664 KB |
Output is correct |
37 |
Correct |
332 ms |
9664 KB |
Output is correct |
38 |
Correct |
337 ms |
11060 KB |
Output is correct |
39 |
Correct |
301 ms |
7592 KB |
Output is correct |
40 |
Correct |
297 ms |
7744 KB |
Output is correct |
41 |
Correct |
316 ms |
7616 KB |
Output is correct |
42 |
Correct |
300 ms |
7616 KB |
Output is correct |
43 |
Correct |
318 ms |
7672 KB |
Output is correct |
44 |
Correct |
300 ms |
7620 KB |
Output is correct |
45 |
Correct |
307 ms |
7608 KB |
Output is correct |
46 |
Correct |
305 ms |
7732 KB |
Output is correct |
47 |
Correct |
308 ms |
7724 KB |
Output is correct |
48 |
Correct |
316 ms |
7616 KB |
Output is correct |
49 |
Correct |
331 ms |
7632 KB |
Output is correct |
50 |
Correct |
299 ms |
7552 KB |
Output is correct |
51 |
Correct |
302 ms |
7616 KB |
Output is correct |
52 |
Correct |
304 ms |
8900 KB |
Output is correct |
53 |
Correct |
311 ms |
7616 KB |
Output is correct |
54 |
Correct |
300 ms |
8380 KB |
Output is correct |
55 |
Correct |
265 ms |
9056 KB |
Output is correct |
56 |
Correct |
294 ms |
8980 KB |
Output is correct |
57 |
Correct |
1714 ms |
39068 KB |
Output is correct |
58 |
Correct |
1695 ms |
39204 KB |
Output is correct |
59 |
Correct |
1707 ms |
39080 KB |
Output is correct |
60 |
Correct |
1703 ms |
39072 KB |
Output is correct |
61 |
Correct |
1721 ms |
38916 KB |
Output is correct |
62 |
Correct |
1680 ms |
39020 KB |
Output is correct |
63 |
Correct |
1564 ms |
30876 KB |
Output is correct |
64 |
Correct |
1539 ms |
30900 KB |
Output is correct |
65 |
Correct |
1594 ms |
33860 KB |
Output is correct |
66 |
Correct |
1623 ms |
64296 KB |
Output is correct |
67 |
Correct |
1583 ms |
64252 KB |
Output is correct |
68 |
Correct |
1567 ms |
64416 KB |
Output is correct |
69 |
Correct |
1561 ms |
64412 KB |
Output is correct |
70 |
Correct |
1648 ms |
64300 KB |
Output is correct |
71 |
Correct |
1632 ms |
64412 KB |
Output is correct |
72 |
Correct |
1582 ms |
64424 KB |
Output is correct |
73 |
Correct |
1579 ms |
60824 KB |
Output is correct |
74 |
Correct |
1555 ms |
61832 KB |
Output is correct |
75 |
Correct |
1588 ms |
60984 KB |
Output is correct |
76 |
Correct |
1529 ms |
60828 KB |
Output is correct |
77 |
Correct |
1532 ms |
61204 KB |
Output is correct |
78 |
Correct |
1553 ms |
61092 KB |
Output is correct |
79 |
Correct |
1392 ms |
49740 KB |
Output is correct |
80 |
Correct |
1508 ms |
55480 KB |
Output is correct |