#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef pair<pi,ll> pii;
ll N, M, L, R, K;
ll W[1000005], hleft[1000005];
ll ans[1000005];
vector<pii> quer[1000005];
ll seg[4000005];
void update(int s, int e, int node, int x, ll v){
if (s == e){
seg[node] = max(seg[node],v);
return;
}
if (x <= (s+e)/2) update(s,(s+e)/2,2*node,x,v);
else update((s+e)/2+1,e,2*node+1,x,v);
seg[node] = max(seg[2*node],seg[2*node+1]);
}
ll query(int s, int e, int node, int l, int r){
if (l > e || r < s) return 0;
if (l <= s && e <= r) return seg[node];
return max(query(s,(s+e)/2,2*node,l,r),query((s+e)/2+1,e,2*node+1,l,r));
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> N >> M;
for (int i = 1; i <= N; ++i){
cin >> W[i];
}
vector<pi> st;
for (int i = 1; i <= N; ++i){
while (!st.empty() && st.back().first <= W[i]) st.pop_back();
if (!st.empty()){
hleft[i] = st.back().second;
}
else{
hleft[i] = -1;
}
st.push_back(pi(W[i],i));
}
for (int i = 1; i <= M; ++i){
cin >> L >> R >> K;
quer[R].push_back(pii(pi(L,K),i));
}
for (int i = 1; i <= N; ++i){
if (hleft[i] != -1){
update(1,N,1,hleft[i],W[i] + W[hleft[i]]);
}
for (auto it : quer[i]){
ll x = query(1,N,1,it.first.first,i);
if (x > it.first.second) ans[it.second] = 0;
else ans[it.second] = 1;
}
}
for (int i = 1; i <= M; ++i){
cout << ans[i] << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23936 KB |
Output is correct |
3 |
Correct |
16 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
17 ms |
23936 KB |
Output is correct |
7 |
Correct |
17 ms |
23936 KB |
Output is correct |
8 |
Correct |
16 ms |
23936 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23936 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23936 KB |
Output is correct |
3 |
Correct |
16 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
17 ms |
23936 KB |
Output is correct |
7 |
Correct |
17 ms |
23936 KB |
Output is correct |
8 |
Correct |
16 ms |
23936 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23936 KB |
Output is correct |
11 |
Correct |
19 ms |
24192 KB |
Output is correct |
12 |
Correct |
20 ms |
24320 KB |
Output is correct |
13 |
Correct |
21 ms |
24448 KB |
Output is correct |
14 |
Correct |
22 ms |
24448 KB |
Output is correct |
15 |
Correct |
21 ms |
24448 KB |
Output is correct |
16 |
Correct |
22 ms |
24320 KB |
Output is correct |
17 |
Correct |
20 ms |
24192 KB |
Output is correct |
18 |
Correct |
20 ms |
24192 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1851 ms |
98288 KB |
Output is correct |
2 |
Correct |
1882 ms |
98416 KB |
Output is correct |
3 |
Correct |
1858 ms |
98308 KB |
Output is correct |
4 |
Correct |
1876 ms |
98496 KB |
Output is correct |
5 |
Correct |
1438 ms |
82040 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
142 ms |
31736 KB |
Output is correct |
2 |
Correct |
125 ms |
33784 KB |
Output is correct |
3 |
Correct |
119 ms |
31528 KB |
Output is correct |
4 |
Correct |
119 ms |
31480 KB |
Output is correct |
5 |
Correct |
117 ms |
31480 KB |
Output is correct |
6 |
Correct |
95 ms |
31480 KB |
Output is correct |
7 |
Correct |
99 ms |
31480 KB |
Output is correct |
8 |
Correct |
108 ms |
31020 KB |
Output is correct |
9 |
Correct |
66 ms |
29096 KB |
Output is correct |
10 |
Correct |
108 ms |
31016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23936 KB |
Output is correct |
3 |
Correct |
16 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
17 ms |
23936 KB |
Output is correct |
7 |
Correct |
17 ms |
23936 KB |
Output is correct |
8 |
Correct |
16 ms |
23936 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23936 KB |
Output is correct |
11 |
Correct |
19 ms |
24192 KB |
Output is correct |
12 |
Correct |
20 ms |
24320 KB |
Output is correct |
13 |
Correct |
21 ms |
24448 KB |
Output is correct |
14 |
Correct |
22 ms |
24448 KB |
Output is correct |
15 |
Correct |
21 ms |
24448 KB |
Output is correct |
16 |
Correct |
22 ms |
24320 KB |
Output is correct |
17 |
Correct |
20 ms |
24192 KB |
Output is correct |
18 |
Correct |
20 ms |
24192 KB |
Output is correct |
19 |
Correct |
318 ms |
41376 KB |
Output is correct |
20 |
Correct |
317 ms |
41336 KB |
Output is correct |
21 |
Correct |
260 ms |
41976 KB |
Output is correct |
22 |
Correct |
260 ms |
41976 KB |
Output is correct |
23 |
Correct |
276 ms |
41900 KB |
Output is correct |
24 |
Correct |
219 ms |
37752 KB |
Output is correct |
25 |
Correct |
219 ms |
37752 KB |
Output is correct |
26 |
Correct |
254 ms |
37624 KB |
Output is correct |
27 |
Correct |
244 ms |
37620 KB |
Output is correct |
28 |
Correct |
267 ms |
37496 KB |
Output is correct |
29 |
Correct |
277 ms |
37240 KB |
Output is correct |
30 |
Correct |
263 ms |
37236 KB |
Output is correct |
31 |
Correct |
264 ms |
37240 KB |
Output is correct |
32 |
Correct |
268 ms |
37368 KB |
Output is correct |
33 |
Correct |
269 ms |
37368 KB |
Output is correct |
34 |
Correct |
197 ms |
37240 KB |
Output is correct |
35 |
Correct |
227 ms |
37368 KB |
Output is correct |
36 |
Correct |
196 ms |
37436 KB |
Output is correct |
37 |
Correct |
195 ms |
37496 KB |
Output is correct |
38 |
Correct |
196 ms |
37368 KB |
Output is correct |
39 |
Correct |
235 ms |
38188 KB |
Output is correct |
40 |
Correct |
174 ms |
35232 KB |
Output is correct |
41 |
Correct |
231 ms |
36900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23936 KB |
Output is correct |
3 |
Correct |
16 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
17 ms |
23936 KB |
Output is correct |
7 |
Correct |
17 ms |
23936 KB |
Output is correct |
8 |
Correct |
16 ms |
23936 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23936 KB |
Output is correct |
11 |
Correct |
19 ms |
24192 KB |
Output is correct |
12 |
Correct |
20 ms |
24320 KB |
Output is correct |
13 |
Correct |
21 ms |
24448 KB |
Output is correct |
14 |
Correct |
22 ms |
24448 KB |
Output is correct |
15 |
Correct |
21 ms |
24448 KB |
Output is correct |
16 |
Correct |
22 ms |
24320 KB |
Output is correct |
17 |
Correct |
20 ms |
24192 KB |
Output is correct |
18 |
Correct |
20 ms |
24192 KB |
Output is correct |
19 |
Correct |
1851 ms |
98288 KB |
Output is correct |
20 |
Correct |
1882 ms |
98416 KB |
Output is correct |
21 |
Correct |
1858 ms |
98308 KB |
Output is correct |
22 |
Correct |
1876 ms |
98496 KB |
Output is correct |
23 |
Correct |
1438 ms |
82040 KB |
Output is correct |
24 |
Correct |
142 ms |
31736 KB |
Output is correct |
25 |
Correct |
125 ms |
33784 KB |
Output is correct |
26 |
Correct |
119 ms |
31528 KB |
Output is correct |
27 |
Correct |
119 ms |
31480 KB |
Output is correct |
28 |
Correct |
117 ms |
31480 KB |
Output is correct |
29 |
Correct |
95 ms |
31480 KB |
Output is correct |
30 |
Correct |
99 ms |
31480 KB |
Output is correct |
31 |
Correct |
108 ms |
31020 KB |
Output is correct |
32 |
Correct |
66 ms |
29096 KB |
Output is correct |
33 |
Correct |
108 ms |
31016 KB |
Output is correct |
34 |
Correct |
318 ms |
41376 KB |
Output is correct |
35 |
Correct |
317 ms |
41336 KB |
Output is correct |
36 |
Correct |
260 ms |
41976 KB |
Output is correct |
37 |
Correct |
260 ms |
41976 KB |
Output is correct |
38 |
Correct |
276 ms |
41900 KB |
Output is correct |
39 |
Correct |
219 ms |
37752 KB |
Output is correct |
40 |
Correct |
219 ms |
37752 KB |
Output is correct |
41 |
Correct |
254 ms |
37624 KB |
Output is correct |
42 |
Correct |
244 ms |
37620 KB |
Output is correct |
43 |
Correct |
267 ms |
37496 KB |
Output is correct |
44 |
Correct |
277 ms |
37240 KB |
Output is correct |
45 |
Correct |
263 ms |
37236 KB |
Output is correct |
46 |
Correct |
264 ms |
37240 KB |
Output is correct |
47 |
Correct |
268 ms |
37368 KB |
Output is correct |
48 |
Correct |
269 ms |
37368 KB |
Output is correct |
49 |
Correct |
197 ms |
37240 KB |
Output is correct |
50 |
Correct |
227 ms |
37368 KB |
Output is correct |
51 |
Correct |
196 ms |
37436 KB |
Output is correct |
52 |
Correct |
195 ms |
37496 KB |
Output is correct |
53 |
Correct |
196 ms |
37368 KB |
Output is correct |
54 |
Correct |
235 ms |
38188 KB |
Output is correct |
55 |
Correct |
174 ms |
35232 KB |
Output is correct |
56 |
Correct |
231 ms |
36900 KB |
Output is correct |
57 |
Correct |
1898 ms |
99212 KB |
Output is correct |
58 |
Correct |
1832 ms |
99372 KB |
Output is correct |
59 |
Correct |
1748 ms |
100496 KB |
Output is correct |
60 |
Correct |
1752 ms |
100428 KB |
Output is correct |
61 |
Correct |
1724 ms |
100472 KB |
Output is correct |
62 |
Correct |
1786 ms |
100216 KB |
Output is correct |
63 |
Correct |
1098 ms |
84732 KB |
Output is correct |
64 |
Correct |
1112 ms |
84728 KB |
Output is correct |
65 |
Correct |
1415 ms |
84132 KB |
Output is correct |
66 |
Correct |
1388 ms |
83960 KB |
Output is correct |
67 |
Correct |
1399 ms |
83576 KB |
Output is correct |
68 |
Correct |
1444 ms |
82296 KB |
Output is correct |
69 |
Correct |
1450 ms |
82348 KB |
Output is correct |
70 |
Correct |
1452 ms |
82552 KB |
Output is correct |
71 |
Correct |
1452 ms |
82620 KB |
Output is correct |
72 |
Correct |
1413 ms |
82552 KB |
Output is correct |
73 |
Correct |
962 ms |
80336 KB |
Output is correct |
74 |
Correct |
982 ms |
80240 KB |
Output is correct |
75 |
Correct |
956 ms |
80504 KB |
Output is correct |
76 |
Correct |
968 ms |
80248 KB |
Output is correct |
77 |
Correct |
969 ms |
80108 KB |
Output is correct |
78 |
Correct |
1259 ms |
85656 KB |
Output is correct |
79 |
Correct |
885 ms |
70180 KB |
Output is correct |
80 |
Correct |
1231 ms |
79112 KB |
Output is correct |