#include <bits/stdc++.h>
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define ll int
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define sqr(x) (x)*(x)
#define PB push_back
using namespace std;
typedef long double ld;
const ll N = 1123456;
mt19937_64 rnd(chrono::system_clock::now().time_since_epoch().count());
vector<pair<ll, ll> > v;
vector<ll> of[N],q[N],pisos
;
pair<ll, ll> b[N];
ll ans[N],t[4 * N],a[N],l,r,x,k,limit,n,Q;
void upd(ll v,ll tl,ll tr,ll pos,ll val)
{
if(tl == tr)
{
t[v] = max(t[v], val);
return;
}
ll tm = (tl + tr) / 2;
if(pos <= tm) upd(2 * v, tl, tm, pos, val);
else upd(2 * v + 1, tm + 1, tr, pos, val);
t[v] = max(t[2 * v], t[2 * v + 1]);
}
ll get(ll v,ll tl,ll tr,ll l,ll r)
{
if(l > r) return 0;
if(tl == l && tr == r) return t[v];
ll tm = (tl + tr) / 2;
return max(get(2 * v, tl, tm, l, min(r, tm)), get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
}
int main()
{
ios_base::sync_with_stdio();cin.tie(0);cout.tie(0);
cin>>n>>Q;
for(int i = 1; i <= n; i++) cin>>a[i];
for(int i = n; i >= 1; i--)
{
x = a[i];
while(!v.empty() && x > v.back().fi)
{
of[i].PB(v.back().se);
v.pop_back();
}
v.PB({x, i});
}
for(int i = 1; i <= Q; i++)
{
cin>>l>>r>>k;
b[i] = {r, k};
q[l].PB(i);
pisos.PB(l);
}
limit = n;
sort(all(pisos));
pisos.erase(unique(all(pisos)), pisos.end());
reverse(all(pisos));
for(auto l : pisos)
for(auto i : q[l])
{
r = b[i].fi;
while(limit >= l)
{
for(auto j : of[limit]) upd(1, 1, n, j, a[j] + a[limit]);
limit--;
}
x = get(1, 1, n, l, r);
// cout<<l<<" "<<r<<" = "<<x<<endl;
ans[i] = (x <= b[i].se);
}
for(int i = 1; i <= Q; i++) cout<<ans[i]<<endl;
return 0;
}
/*
8 6
5 4 3 1 6 7 8 2
1 5 0
2 5 0
3 5 0
4 5 0
5 5 0
1 8 0
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
53112 KB |
Output is correct |
2 |
Correct |
49 ms |
53112 KB |
Output is correct |
3 |
Correct |
52 ms |
53096 KB |
Output is correct |
4 |
Correct |
50 ms |
53112 KB |
Output is correct |
5 |
Correct |
50 ms |
53112 KB |
Output is correct |
6 |
Correct |
53 ms |
53112 KB |
Output is correct |
7 |
Correct |
52 ms |
53112 KB |
Output is correct |
8 |
Correct |
52 ms |
53240 KB |
Output is correct |
9 |
Correct |
52 ms |
53112 KB |
Output is correct |
10 |
Correct |
51 ms |
53112 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
53112 KB |
Output is correct |
2 |
Correct |
49 ms |
53112 KB |
Output is correct |
3 |
Correct |
52 ms |
53096 KB |
Output is correct |
4 |
Correct |
50 ms |
53112 KB |
Output is correct |
5 |
Correct |
50 ms |
53112 KB |
Output is correct |
6 |
Correct |
53 ms |
53112 KB |
Output is correct |
7 |
Correct |
52 ms |
53112 KB |
Output is correct |
8 |
Correct |
52 ms |
53240 KB |
Output is correct |
9 |
Correct |
52 ms |
53112 KB |
Output is correct |
10 |
Correct |
51 ms |
53112 KB |
Output is correct |
11 |
Correct |
67 ms |
53296 KB |
Output is correct |
12 |
Correct |
71 ms |
53328 KB |
Output is correct |
13 |
Correct |
69 ms |
53568 KB |
Output is correct |
14 |
Correct |
78 ms |
53576 KB |
Output is correct |
15 |
Correct |
77 ms |
53468 KB |
Output is correct |
16 |
Correct |
74 ms |
53368 KB |
Output is correct |
17 |
Correct |
72 ms |
53320 KB |
Output is correct |
18 |
Correct |
71 ms |
53368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3049 ms |
110416 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
579 ms |
59980 KB |
Output is correct |
2 |
Correct |
548 ms |
59040 KB |
Output is correct |
3 |
Correct |
554 ms |
57864 KB |
Output is correct |
4 |
Correct |
561 ms |
58016 KB |
Output is correct |
5 |
Correct |
559 ms |
58264 KB |
Output is correct |
6 |
Correct |
510 ms |
57016 KB |
Output is correct |
7 |
Correct |
536 ms |
56916 KB |
Output is correct |
8 |
Correct |
521 ms |
58092 KB |
Output is correct |
9 |
Correct |
444 ms |
55636 KB |
Output is correct |
10 |
Correct |
517 ms |
57980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
53112 KB |
Output is correct |
2 |
Correct |
49 ms |
53112 KB |
Output is correct |
3 |
Correct |
52 ms |
53096 KB |
Output is correct |
4 |
Correct |
50 ms |
53112 KB |
Output is correct |
5 |
Correct |
50 ms |
53112 KB |
Output is correct |
6 |
Correct |
53 ms |
53112 KB |
Output is correct |
7 |
Correct |
52 ms |
53112 KB |
Output is correct |
8 |
Correct |
52 ms |
53240 KB |
Output is correct |
9 |
Correct |
52 ms |
53112 KB |
Output is correct |
10 |
Correct |
51 ms |
53112 KB |
Output is correct |
11 |
Correct |
67 ms |
53296 KB |
Output is correct |
12 |
Correct |
71 ms |
53328 KB |
Output is correct |
13 |
Correct |
69 ms |
53568 KB |
Output is correct |
14 |
Correct |
78 ms |
53576 KB |
Output is correct |
15 |
Correct |
77 ms |
53468 KB |
Output is correct |
16 |
Correct |
74 ms |
53368 KB |
Output is correct |
17 |
Correct |
72 ms |
53320 KB |
Output is correct |
18 |
Correct |
71 ms |
53368 KB |
Output is correct |
19 |
Correct |
1342 ms |
67020 KB |
Output is correct |
20 |
Correct |
1310 ms |
66740 KB |
Output is correct |
21 |
Correct |
1238 ms |
64364 KB |
Output is correct |
22 |
Correct |
1211 ms |
64588 KB |
Output is correct |
23 |
Correct |
1216 ms |
64520 KB |
Output is correct |
24 |
Correct |
1160 ms |
60712 KB |
Output is correct |
25 |
Correct |
1173 ms |
60776 KB |
Output is correct |
26 |
Correct |
1218 ms |
61752 KB |
Output is correct |
27 |
Correct |
1217 ms |
61576 KB |
Output is correct |
28 |
Correct |
1212 ms |
61860 KB |
Output is correct |
29 |
Correct |
1242 ms |
63072 KB |
Output is correct |
30 |
Correct |
1232 ms |
63048 KB |
Output is correct |
31 |
Correct |
1240 ms |
62956 KB |
Output is correct |
32 |
Correct |
1230 ms |
62980 KB |
Output is correct |
33 |
Correct |
1232 ms |
63056 KB |
Output is correct |
34 |
Correct |
1131 ms |
60744 KB |
Output is correct |
35 |
Correct |
1127 ms |
60544 KB |
Output is correct |
36 |
Correct |
1127 ms |
60740 KB |
Output is correct |
37 |
Correct |
1113 ms |
60532 KB |
Output is correct |
38 |
Correct |
1123 ms |
60624 KB |
Output is correct |
39 |
Correct |
1144 ms |
62964 KB |
Output is correct |
40 |
Correct |
1043 ms |
61036 KB |
Output is correct |
41 |
Correct |
1128 ms |
62724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
53112 KB |
Output is correct |
2 |
Correct |
49 ms |
53112 KB |
Output is correct |
3 |
Correct |
52 ms |
53096 KB |
Output is correct |
4 |
Correct |
50 ms |
53112 KB |
Output is correct |
5 |
Correct |
50 ms |
53112 KB |
Output is correct |
6 |
Correct |
53 ms |
53112 KB |
Output is correct |
7 |
Correct |
52 ms |
53112 KB |
Output is correct |
8 |
Correct |
52 ms |
53240 KB |
Output is correct |
9 |
Correct |
52 ms |
53112 KB |
Output is correct |
10 |
Correct |
51 ms |
53112 KB |
Output is correct |
11 |
Correct |
67 ms |
53296 KB |
Output is correct |
12 |
Correct |
71 ms |
53328 KB |
Output is correct |
13 |
Correct |
69 ms |
53568 KB |
Output is correct |
14 |
Correct |
78 ms |
53576 KB |
Output is correct |
15 |
Correct |
77 ms |
53468 KB |
Output is correct |
16 |
Correct |
74 ms |
53368 KB |
Output is correct |
17 |
Correct |
72 ms |
53320 KB |
Output is correct |
18 |
Correct |
71 ms |
53368 KB |
Output is correct |
19 |
Execution timed out |
3049 ms |
110416 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |