#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
const int N=1e6+5;
int t[N*4],a[N],ans[N];
vector <vector <int> > qu[N];
void update(int v,int tl,int tr,int pos,int val){
if(tl==tr)t[v]=val;
else{
int tm=(tl+tr)/2;
if(pos<=tm)update(v*2,tl,tm,pos,val);
else update(v*2+1,tm+1,tr,pos,val);
t[v]=max(t[v*2],t[v*2+1]);
}
}
int get(int v,int tl,int tr,int l,int r){
if(r<tl or tr<l)return INT_MIN;
if(l<=tl && tr<=r)return t[v];
int tm=(tl+tr)/2;
return max(get(v*2,tl,tm,l,r),get(v*2+1,tm+1,tr,l,r));
}
signed main(){
ios_base::sync_with_stdio();
cin.tie(0);cout.tie(0);
int n,q;
cin>>n>>q;
for(int i=1;i<=n;i++)cin>>a[i];
for(int i=0;i<q;i++){
int l,r,x;
cin>>l>>r>>x;
qu[r].pb({l,x,i});
}
stack <int> st;
for(int i=1;i<=n;i++){
while(!st.empty()){
if(a[st.top()]>a[i])break;
st.pop();
}
if(!st.empty())update(1,1,n,st.top(),a[st.top()]+a[i]);
for(auto v : qu[i]){
int mx=get(1,1,n,v[0],i);
if(mx<=v[1])ans[v[2]]=1;
}
st.push(i);
}
for(int i=0;i<q;i++)cout<<ans[i]<<"\n";
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
27264 KB |
Output is correct |
3 |
Correct |
7 ms |
29272 KB |
Output is correct |
4 |
Correct |
7 ms |
29276 KB |
Output is correct |
5 |
Correct |
6 ms |
29276 KB |
Output is correct |
6 |
Correct |
7 ms |
29296 KB |
Output is correct |
7 |
Correct |
8 ms |
29276 KB |
Output is correct |
8 |
Correct |
8 ms |
27300 KB |
Output is correct |
9 |
Correct |
7 ms |
27228 KB |
Output is correct |
10 |
Correct |
7 ms |
27228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
27264 KB |
Output is correct |
3 |
Correct |
7 ms |
29272 KB |
Output is correct |
4 |
Correct |
7 ms |
29276 KB |
Output is correct |
5 |
Correct |
6 ms |
29276 KB |
Output is correct |
6 |
Correct |
7 ms |
29296 KB |
Output is correct |
7 |
Correct |
8 ms |
29276 KB |
Output is correct |
8 |
Correct |
8 ms |
27300 KB |
Output is correct |
9 |
Correct |
7 ms |
27228 KB |
Output is correct |
10 |
Correct |
7 ms |
27228 KB |
Output is correct |
11 |
Correct |
12 ms |
29416 KB |
Output is correct |
12 |
Correct |
11 ms |
31580 KB |
Output is correct |
13 |
Correct |
11 ms |
31580 KB |
Output is correct |
14 |
Correct |
14 ms |
31836 KB |
Output is correct |
15 |
Correct |
18 ms |
31748 KB |
Output is correct |
16 |
Correct |
12 ms |
27748 KB |
Output is correct |
17 |
Correct |
10 ms |
27484 KB |
Output is correct |
18 |
Correct |
16 ms |
27648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1940 ms |
134092 KB |
Output is correct |
2 |
Correct |
1954 ms |
134148 KB |
Output is correct |
3 |
Correct |
1982 ms |
138340 KB |
Output is correct |
4 |
Correct |
2017 ms |
136112 KB |
Output is correct |
5 |
Correct |
1834 ms |
122084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
133 ms |
39236 KB |
Output is correct |
2 |
Correct |
129 ms |
39992 KB |
Output is correct |
3 |
Correct |
119 ms |
35668 KB |
Output is correct |
4 |
Correct |
119 ms |
35664 KB |
Output is correct |
5 |
Correct |
120 ms |
35920 KB |
Output is correct |
6 |
Correct |
107 ms |
39452 KB |
Output is correct |
7 |
Correct |
108 ms |
39508 KB |
Output is correct |
8 |
Correct |
105 ms |
35592 KB |
Output is correct |
9 |
Correct |
74 ms |
34568 KB |
Output is correct |
10 |
Correct |
106 ms |
35512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
27264 KB |
Output is correct |
3 |
Correct |
7 ms |
29272 KB |
Output is correct |
4 |
Correct |
7 ms |
29276 KB |
Output is correct |
5 |
Correct |
6 ms |
29276 KB |
Output is correct |
6 |
Correct |
7 ms |
29296 KB |
Output is correct |
7 |
Correct |
8 ms |
29276 KB |
Output is correct |
8 |
Correct |
8 ms |
27300 KB |
Output is correct |
9 |
Correct |
7 ms |
27228 KB |
Output is correct |
10 |
Correct |
7 ms |
27228 KB |
Output is correct |
11 |
Correct |
12 ms |
29416 KB |
Output is correct |
12 |
Correct |
11 ms |
31580 KB |
Output is correct |
13 |
Correct |
11 ms |
31580 KB |
Output is correct |
14 |
Correct |
14 ms |
31836 KB |
Output is correct |
15 |
Correct |
18 ms |
31748 KB |
Output is correct |
16 |
Correct |
12 ms |
27748 KB |
Output is correct |
17 |
Correct |
10 ms |
27484 KB |
Output is correct |
18 |
Correct |
16 ms |
27648 KB |
Output is correct |
19 |
Correct |
341 ms |
55168 KB |
Output is correct |
20 |
Correct |
348 ms |
55444 KB |
Output is correct |
21 |
Correct |
300 ms |
55376 KB |
Output is correct |
22 |
Correct |
314 ms |
55376 KB |
Output is correct |
23 |
Correct |
306 ms |
55160 KB |
Output is correct |
24 |
Correct |
273 ms |
48980 KB |
Output is correct |
25 |
Correct |
270 ms |
48980 KB |
Output is correct |
26 |
Correct |
294 ms |
48980 KB |
Output is correct |
27 |
Correct |
297 ms |
49140 KB |
Output is correct |
28 |
Correct |
310 ms |
48980 KB |
Output is correct |
29 |
Correct |
314 ms |
49060 KB |
Output is correct |
30 |
Correct |
307 ms |
49136 KB |
Output is correct |
31 |
Correct |
319 ms |
49456 KB |
Output is correct |
32 |
Correct |
313 ms |
49236 KB |
Output is correct |
33 |
Correct |
316 ms |
48952 KB |
Output is correct |
34 |
Correct |
270 ms |
52308 KB |
Output is correct |
35 |
Correct |
266 ms |
52308 KB |
Output is correct |
36 |
Correct |
262 ms |
52228 KB |
Output is correct |
37 |
Correct |
266 ms |
52100 KB |
Output is correct |
38 |
Correct |
279 ms |
52488 KB |
Output is correct |
39 |
Correct |
263 ms |
48388 KB |
Output is correct |
40 |
Correct |
213 ms |
46076 KB |
Output is correct |
41 |
Correct |
252 ms |
46592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
27264 KB |
Output is correct |
3 |
Correct |
7 ms |
29272 KB |
Output is correct |
4 |
Correct |
7 ms |
29276 KB |
Output is correct |
5 |
Correct |
6 ms |
29276 KB |
Output is correct |
6 |
Correct |
7 ms |
29296 KB |
Output is correct |
7 |
Correct |
8 ms |
29276 KB |
Output is correct |
8 |
Correct |
8 ms |
27300 KB |
Output is correct |
9 |
Correct |
7 ms |
27228 KB |
Output is correct |
10 |
Correct |
7 ms |
27228 KB |
Output is correct |
11 |
Correct |
12 ms |
29416 KB |
Output is correct |
12 |
Correct |
11 ms |
31580 KB |
Output is correct |
13 |
Correct |
11 ms |
31580 KB |
Output is correct |
14 |
Correct |
14 ms |
31836 KB |
Output is correct |
15 |
Correct |
18 ms |
31748 KB |
Output is correct |
16 |
Correct |
12 ms |
27748 KB |
Output is correct |
17 |
Correct |
10 ms |
27484 KB |
Output is correct |
18 |
Correct |
16 ms |
27648 KB |
Output is correct |
19 |
Correct |
1940 ms |
134092 KB |
Output is correct |
20 |
Correct |
1954 ms |
134148 KB |
Output is correct |
21 |
Correct |
1982 ms |
138340 KB |
Output is correct |
22 |
Correct |
2017 ms |
136112 KB |
Output is correct |
23 |
Correct |
1834 ms |
122084 KB |
Output is correct |
24 |
Correct |
133 ms |
39236 KB |
Output is correct |
25 |
Correct |
129 ms |
39992 KB |
Output is correct |
26 |
Correct |
119 ms |
35668 KB |
Output is correct |
27 |
Correct |
119 ms |
35664 KB |
Output is correct |
28 |
Correct |
120 ms |
35920 KB |
Output is correct |
29 |
Correct |
107 ms |
39452 KB |
Output is correct |
30 |
Correct |
108 ms |
39508 KB |
Output is correct |
31 |
Correct |
105 ms |
35592 KB |
Output is correct |
32 |
Correct |
74 ms |
34568 KB |
Output is correct |
33 |
Correct |
106 ms |
35512 KB |
Output is correct |
34 |
Correct |
341 ms |
55168 KB |
Output is correct |
35 |
Correct |
348 ms |
55444 KB |
Output is correct |
36 |
Correct |
300 ms |
55376 KB |
Output is correct |
37 |
Correct |
314 ms |
55376 KB |
Output is correct |
38 |
Correct |
306 ms |
55160 KB |
Output is correct |
39 |
Correct |
273 ms |
48980 KB |
Output is correct |
40 |
Correct |
270 ms |
48980 KB |
Output is correct |
41 |
Correct |
294 ms |
48980 KB |
Output is correct |
42 |
Correct |
297 ms |
49140 KB |
Output is correct |
43 |
Correct |
310 ms |
48980 KB |
Output is correct |
44 |
Correct |
314 ms |
49060 KB |
Output is correct |
45 |
Correct |
307 ms |
49136 KB |
Output is correct |
46 |
Correct |
319 ms |
49456 KB |
Output is correct |
47 |
Correct |
313 ms |
49236 KB |
Output is correct |
48 |
Correct |
316 ms |
48952 KB |
Output is correct |
49 |
Correct |
270 ms |
52308 KB |
Output is correct |
50 |
Correct |
266 ms |
52308 KB |
Output is correct |
51 |
Correct |
262 ms |
52228 KB |
Output is correct |
52 |
Correct |
266 ms |
52100 KB |
Output is correct |
53 |
Correct |
279 ms |
52488 KB |
Output is correct |
54 |
Correct |
263 ms |
48388 KB |
Output is correct |
55 |
Correct |
213 ms |
46076 KB |
Output is correct |
56 |
Correct |
252 ms |
46592 KB |
Output is correct |
57 |
Correct |
1980 ms |
155444 KB |
Output is correct |
58 |
Correct |
1948 ms |
155948 KB |
Output is correct |
59 |
Correct |
1897 ms |
156224 KB |
Output is correct |
60 |
Correct |
1925 ms |
156296 KB |
Output is correct |
61 |
Correct |
1905 ms |
156244 KB |
Output is correct |
62 |
Correct |
1888 ms |
156180 KB |
Output is correct |
63 |
Correct |
1540 ms |
137788 KB |
Output is correct |
64 |
Correct |
1550 ms |
138088 KB |
Output is correct |
65 |
Correct |
1770 ms |
139764 KB |
Output is correct |
66 |
Correct |
1788 ms |
139392 KB |
Output is correct |
67 |
Correct |
2220 ms |
139360 KB |
Output is correct |
68 |
Correct |
1923 ms |
139200 KB |
Output is correct |
69 |
Correct |
1911 ms |
138952 KB |
Output is correct |
70 |
Correct |
1899 ms |
139244 KB |
Output is correct |
71 |
Correct |
1880 ms |
139268 KB |
Output is correct |
72 |
Correct |
1918 ms |
139308 KB |
Output is correct |
73 |
Correct |
1571 ms |
136908 KB |
Output is correct |
74 |
Correct |
1531 ms |
138024 KB |
Output is correct |
75 |
Correct |
1484 ms |
137048 KB |
Output is correct |
76 |
Correct |
1481 ms |
137448 KB |
Output is correct |
77 |
Correct |
1505 ms |
136772 KB |
Output is correct |
78 |
Correct |
1595 ms |
136732 KB |
Output is correct |
79 |
Correct |
1228 ms |
121324 KB |
Output is correct |
80 |
Correct |
1448 ms |
128432 KB |
Output is correct |