#include <bits/stdc++.h>
using namespace std;
void speed()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
}
long long n,m,a[1000001];
void read()
{
cin>>n>>m;
for(long long i=1;i<=n;i++)
cin>>a[i];
}
int p[1000001];
void prec()
{
stack<int> s;
for(int i=1;i<=n;i++)
{
while(s.size()&&a[s.top()]<=a[i])
s.pop();
if(s.size())
p[i]=s.top();
s.push(i);
}
}
struct query
{
int l,r,k,i;
query(){}
query(int _l,int _r,int _k,int _i)
{
l=_l;
r=_r;
k=_k;
i=_i;
}
bool operator<(const query&q)const
{
return r<q.r;
}
};
query q[1000001];
int f[1000001];
int t[4000001];
void update(int i,int l,int r,int idx,int val)
{
if(l==r)
{
t[i]=max(t[i],val);
return;
}
int md=(l+r)/2;
if(idx<=md)update(i*2,l,md,idx,val);
else update(i*2+1,md+1,r,idx,val);
t[i]=max(t[i*2],t[i*2+1]);
}
int query(int i,int l,int r,int ql,int qr)
{
if(ql>qr)return 0;
if(ql<=l&&r<=qr)return t[i];
int md=(l+r)/2;
return max(query(i*2,l,md,ql,min(md,qr)),query(i*2+1,md+1,r,max(md+1,ql),qr));
}
void solve()
{
for(int i=1;i<=m;i++)
{
int l,r,k;
cin>>l>>r>>k;
q[i]={l,r,k,i};
}
sort(q+1,q+m+1);
for(int i=1;i<=m;i++)
{
for(int j=q[i-1].r+1;j<=q[i].r;j++)
if(p[j])update(1,1,n,p[j],a[p[j]]+a[j]);
int ans=query(1,1,n,q[i].l,q[i].r);
if(ans<=q[i].k)f[q[i].i]=1;
else f[q[i].i]=0;
}
for(int i=1;i<=m;i++)
cout<<f[i]<<endl;
}
int main()
{
speed();
read();
prec();
solve();
return 0;
}
/*
5 0
11 5 4 10 8
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
2512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
2512 KB |
Output is correct |
11 |
Correct |
5 ms |
604 KB |
Output is correct |
12 |
Correct |
5 ms |
728 KB |
Output is correct |
13 |
Correct |
5 ms |
588 KB |
Output is correct |
14 |
Correct |
8 ms |
2896 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
7 ms |
604 KB |
Output is correct |
17 |
Correct |
7 ms |
860 KB |
Output is correct |
18 |
Correct |
7 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1750 ms |
62952 KB |
Output is correct |
2 |
Correct |
1626 ms |
75044 KB |
Output is correct |
3 |
Correct |
1680 ms |
74492 KB |
Output is correct |
4 |
Correct |
1679 ms |
74608 KB |
Output is correct |
5 |
Correct |
1549 ms |
64588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
150 ms |
8020 KB |
Output is correct |
2 |
Correct |
157 ms |
4836 KB |
Output is correct |
3 |
Correct |
142 ms |
4432 KB |
Output is correct |
4 |
Correct |
142 ms |
5224 KB |
Output is correct |
5 |
Correct |
143 ms |
5212 KB |
Output is correct |
6 |
Correct |
146 ms |
5204 KB |
Output is correct |
7 |
Correct |
139 ms |
7248 KB |
Output is correct |
8 |
Correct |
140 ms |
7316 KB |
Output is correct |
9 |
Correct |
116 ms |
3924 KB |
Output is correct |
10 |
Correct |
136 ms |
5200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
2512 KB |
Output is correct |
11 |
Correct |
5 ms |
604 KB |
Output is correct |
12 |
Correct |
5 ms |
728 KB |
Output is correct |
13 |
Correct |
5 ms |
588 KB |
Output is correct |
14 |
Correct |
8 ms |
2896 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
7 ms |
604 KB |
Output is correct |
17 |
Correct |
7 ms |
860 KB |
Output is correct |
18 |
Correct |
7 ms |
604 KB |
Output is correct |
19 |
Correct |
321 ms |
15700 KB |
Output is correct |
20 |
Correct |
319 ms |
17748 KB |
Output is correct |
21 |
Correct |
312 ms |
17472 KB |
Output is correct |
22 |
Correct |
321 ms |
19284 KB |
Output is correct |
23 |
Correct |
310 ms |
19356 KB |
Output is correct |
24 |
Correct |
294 ms |
15956 KB |
Output is correct |
25 |
Correct |
290 ms |
15952 KB |
Output is correct |
26 |
Correct |
298 ms |
16076 KB |
Output is correct |
27 |
Correct |
299 ms |
16212 KB |
Output is correct |
28 |
Correct |
299 ms |
16312 KB |
Output is correct |
29 |
Correct |
308 ms |
16380 KB |
Output is correct |
30 |
Correct |
301 ms |
16340 KB |
Output is correct |
31 |
Correct |
307 ms |
16500 KB |
Output is correct |
32 |
Correct |
297 ms |
16216 KB |
Output is correct |
33 |
Correct |
306 ms |
16332 KB |
Output is correct |
34 |
Correct |
292 ms |
16960 KB |
Output is correct |
35 |
Correct |
284 ms |
16976 KB |
Output is correct |
36 |
Correct |
284 ms |
14168 KB |
Output is correct |
37 |
Correct |
288 ms |
12308 KB |
Output is correct |
38 |
Correct |
294 ms |
12368 KB |
Output is correct |
39 |
Correct |
288 ms |
12364 KB |
Output is correct |
40 |
Correct |
271 ms |
10320 KB |
Output is correct |
41 |
Correct |
283 ms |
11344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
2512 KB |
Output is correct |
11 |
Correct |
5 ms |
604 KB |
Output is correct |
12 |
Correct |
5 ms |
728 KB |
Output is correct |
13 |
Correct |
5 ms |
588 KB |
Output is correct |
14 |
Correct |
8 ms |
2896 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
7 ms |
604 KB |
Output is correct |
17 |
Correct |
7 ms |
860 KB |
Output is correct |
18 |
Correct |
7 ms |
604 KB |
Output is correct |
19 |
Correct |
1750 ms |
62952 KB |
Output is correct |
20 |
Correct |
1626 ms |
75044 KB |
Output is correct |
21 |
Correct |
1680 ms |
74492 KB |
Output is correct |
22 |
Correct |
1679 ms |
74608 KB |
Output is correct |
23 |
Correct |
1549 ms |
64588 KB |
Output is correct |
24 |
Correct |
150 ms |
8020 KB |
Output is correct |
25 |
Correct |
157 ms |
4836 KB |
Output is correct |
26 |
Correct |
142 ms |
4432 KB |
Output is correct |
27 |
Correct |
142 ms |
5224 KB |
Output is correct |
28 |
Correct |
143 ms |
5212 KB |
Output is correct |
29 |
Correct |
146 ms |
5204 KB |
Output is correct |
30 |
Correct |
139 ms |
7248 KB |
Output is correct |
31 |
Correct |
140 ms |
7316 KB |
Output is correct |
32 |
Correct |
116 ms |
3924 KB |
Output is correct |
33 |
Correct |
136 ms |
5200 KB |
Output is correct |
34 |
Correct |
321 ms |
15700 KB |
Output is correct |
35 |
Correct |
319 ms |
17748 KB |
Output is correct |
36 |
Correct |
312 ms |
17472 KB |
Output is correct |
37 |
Correct |
321 ms |
19284 KB |
Output is correct |
38 |
Correct |
310 ms |
19356 KB |
Output is correct |
39 |
Correct |
294 ms |
15956 KB |
Output is correct |
40 |
Correct |
290 ms |
15952 KB |
Output is correct |
41 |
Correct |
298 ms |
16076 KB |
Output is correct |
42 |
Correct |
299 ms |
16212 KB |
Output is correct |
43 |
Correct |
299 ms |
16312 KB |
Output is correct |
44 |
Correct |
308 ms |
16380 KB |
Output is correct |
45 |
Correct |
301 ms |
16340 KB |
Output is correct |
46 |
Correct |
307 ms |
16500 KB |
Output is correct |
47 |
Correct |
297 ms |
16216 KB |
Output is correct |
48 |
Correct |
306 ms |
16332 KB |
Output is correct |
49 |
Correct |
292 ms |
16960 KB |
Output is correct |
50 |
Correct |
284 ms |
16976 KB |
Output is correct |
51 |
Correct |
284 ms |
14168 KB |
Output is correct |
52 |
Correct |
288 ms |
12308 KB |
Output is correct |
53 |
Correct |
294 ms |
12368 KB |
Output is correct |
54 |
Correct |
288 ms |
12364 KB |
Output is correct |
55 |
Correct |
271 ms |
10320 KB |
Output is correct |
56 |
Correct |
283 ms |
11344 KB |
Output is correct |
57 |
Correct |
1688 ms |
75380 KB |
Output is correct |
58 |
Correct |
1671 ms |
75440 KB |
Output is correct |
59 |
Correct |
1662 ms |
75316 KB |
Output is correct |
60 |
Correct |
1682 ms |
75324 KB |
Output is correct |
61 |
Correct |
1701 ms |
75092 KB |
Output is correct |
62 |
Correct |
1679 ms |
75348 KB |
Output is correct |
63 |
Correct |
1497 ms |
61332 KB |
Output is correct |
64 |
Correct |
1518 ms |
61364 KB |
Output is correct |
65 |
Correct |
1562 ms |
63252 KB |
Output is correct |
66 |
Correct |
1581 ms |
62948 KB |
Output is correct |
67 |
Correct |
1574 ms |
63060 KB |
Output is correct |
68 |
Correct |
1555 ms |
63372 KB |
Output is correct |
69 |
Correct |
1556 ms |
63316 KB |
Output is correct |
70 |
Correct |
1552 ms |
63196 KB |
Output is correct |
71 |
Correct |
1609 ms |
63312 KB |
Output is correct |
72 |
Correct |
1589 ms |
63316 KB |
Output is correct |
73 |
Correct |
1535 ms |
59732 KB |
Output is correct |
74 |
Correct |
1551 ms |
60632 KB |
Output is correct |
75 |
Correct |
1615 ms |
59948 KB |
Output is correct |
76 |
Correct |
1529 ms |
59920 KB |
Output is correct |
77 |
Correct |
1483 ms |
59820 KB |
Output is correct |
78 |
Correct |
1505 ms |
61096 KB |
Output is correct |
79 |
Correct |
1353 ms |
49040 KB |
Output is correct |
80 |
Correct |
1475 ms |
57228 KB |
Output is correct |