#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
const int inf = 2e9;
const int maxn = 1e6 + 5;
struct query {
int l,r,k;
void read() {
cin>>l>>r>>k;
}
};
int n,q;
int t[maxn*4];
void upd(int v, int tl, int tr, int i, int val) {
if (tl==tr) {
t[v]=max(t[v],val);
} else {
int tm=(tl+tr)/2;
if (i<=tm) {
upd(2*v,tl,tm,i,val);
} else {
upd(2*v+1,tm+1,tr,i,val);
}
t[v]=max(t[2*v],t[2*v+1]);
}
}
int qry(int v, int tl, int tr, int l, int r) {
if (l>tr || r<tl) return -inf;
if (l<=tl && tr<=r) return t[v];
int tm=(tl+tr)/2;
return max(qry(2*v,tl,tm,l,r),qry(2*v+1,tm+1,tr,l,r));
}
int a[maxn];
query Q[maxn];
vector<int> ev[maxn];
int ans[maxn];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>q;
for (int i=1; i<=n; i++) {
cin>>a[i];
}
for (int i=1; i<=q; i++) {
Q[i].read();
ev[Q[i].r].push_back(i);
}
stack<int> stk;
vector<pair<int,int>> w;
for (int i=1; i<=n; i++) {
while (!stk.empty() && a[stk.top()]<=a[i]) stk.pop();
if (!stk.empty()) w.push_back({i,stk.top()});
stk.push(i);
}
sort(w.begin(),w.end());
int j=0;
for (int i=1; i<=n; i++) {
while (j<(int)w.size() && w[j].first<=i) {
upd(1,1,n,w[j].second, a[w[j].first]+a[w[j].second]);
++j;
}
for (int qi: ev[i]) {
if (qry(1,1,n,Q[qi].l,Q[qi].r)<=Q[qi].k) ans[qi]=1;
}
}
for (int i=1; i<=q; i++) {
cout<<ans[i]<<"\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23788 KB |
Output is correct |
2 |
Correct |
18 ms |
23788 KB |
Output is correct |
3 |
Correct |
17 ms |
23916 KB |
Output is correct |
4 |
Correct |
16 ms |
23916 KB |
Output is correct |
5 |
Correct |
17 ms |
23916 KB |
Output is correct |
6 |
Correct |
17 ms |
23916 KB |
Output is correct |
7 |
Correct |
17 ms |
23916 KB |
Output is correct |
8 |
Correct |
17 ms |
23916 KB |
Output is correct |
9 |
Correct |
17 ms |
23916 KB |
Output is correct |
10 |
Correct |
17 ms |
23916 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23788 KB |
Output is correct |
2 |
Correct |
18 ms |
23788 KB |
Output is correct |
3 |
Correct |
17 ms |
23916 KB |
Output is correct |
4 |
Correct |
16 ms |
23916 KB |
Output is correct |
5 |
Correct |
17 ms |
23916 KB |
Output is correct |
6 |
Correct |
17 ms |
23916 KB |
Output is correct |
7 |
Correct |
17 ms |
23916 KB |
Output is correct |
8 |
Correct |
17 ms |
23916 KB |
Output is correct |
9 |
Correct |
17 ms |
23916 KB |
Output is correct |
10 |
Correct |
17 ms |
23916 KB |
Output is correct |
11 |
Correct |
19 ms |
24044 KB |
Output is correct |
12 |
Correct |
20 ms |
24172 KB |
Output is correct |
13 |
Correct |
20 ms |
24172 KB |
Output is correct |
14 |
Correct |
22 ms |
24300 KB |
Output is correct |
15 |
Correct |
22 ms |
24172 KB |
Output is correct |
16 |
Correct |
23 ms |
24172 KB |
Output is correct |
17 |
Correct |
20 ms |
24044 KB |
Output is correct |
18 |
Correct |
20 ms |
24172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1860 ms |
75732 KB |
Output is correct |
2 |
Correct |
1865 ms |
75848 KB |
Output is correct |
3 |
Correct |
1849 ms |
76584 KB |
Output is correct |
4 |
Correct |
1855 ms |
76744 KB |
Output is correct |
5 |
Correct |
1524 ms |
77420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
144 ms |
29540 KB |
Output is correct |
2 |
Correct |
132 ms |
28896 KB |
Output is correct |
3 |
Correct |
118 ms |
27372 KB |
Output is correct |
4 |
Correct |
117 ms |
27628 KB |
Output is correct |
5 |
Correct |
122 ms |
27756 KB |
Output is correct |
6 |
Correct |
98 ms |
26476 KB |
Output is correct |
7 |
Correct |
96 ms |
26476 KB |
Output is correct |
8 |
Correct |
111 ms |
28512 KB |
Output is correct |
9 |
Correct |
68 ms |
26344 KB |
Output is correct |
10 |
Correct |
109 ms |
28388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23788 KB |
Output is correct |
2 |
Correct |
18 ms |
23788 KB |
Output is correct |
3 |
Correct |
17 ms |
23916 KB |
Output is correct |
4 |
Correct |
16 ms |
23916 KB |
Output is correct |
5 |
Correct |
17 ms |
23916 KB |
Output is correct |
6 |
Correct |
17 ms |
23916 KB |
Output is correct |
7 |
Correct |
17 ms |
23916 KB |
Output is correct |
8 |
Correct |
17 ms |
23916 KB |
Output is correct |
9 |
Correct |
17 ms |
23916 KB |
Output is correct |
10 |
Correct |
17 ms |
23916 KB |
Output is correct |
11 |
Correct |
19 ms |
24044 KB |
Output is correct |
12 |
Correct |
20 ms |
24172 KB |
Output is correct |
13 |
Correct |
20 ms |
24172 KB |
Output is correct |
14 |
Correct |
22 ms |
24300 KB |
Output is correct |
15 |
Correct |
22 ms |
24172 KB |
Output is correct |
16 |
Correct |
23 ms |
24172 KB |
Output is correct |
17 |
Correct |
20 ms |
24044 KB |
Output is correct |
18 |
Correct |
20 ms |
24172 KB |
Output is correct |
19 |
Correct |
323 ms |
35356 KB |
Output is correct |
20 |
Correct |
330 ms |
35164 KB |
Output is correct |
21 |
Correct |
269 ms |
33628 KB |
Output is correct |
22 |
Correct |
268 ms |
33628 KB |
Output is correct |
23 |
Correct |
272 ms |
33620 KB |
Output is correct |
24 |
Correct |
220 ms |
29804 KB |
Output is correct |
25 |
Correct |
227 ms |
29804 KB |
Output is correct |
26 |
Correct |
248 ms |
30444 KB |
Output is correct |
27 |
Correct |
248 ms |
30572 KB |
Output is correct |
28 |
Correct |
258 ms |
30720 KB |
Output is correct |
29 |
Correct |
281 ms |
31544 KB |
Output is correct |
30 |
Correct |
277 ms |
31596 KB |
Output is correct |
31 |
Correct |
275 ms |
31468 KB |
Output is correct |
32 |
Correct |
273 ms |
31468 KB |
Output is correct |
33 |
Correct |
294 ms |
31468 KB |
Output is correct |
34 |
Correct |
206 ms |
29548 KB |
Output is correct |
35 |
Correct |
213 ms |
29620 KB |
Output is correct |
36 |
Correct |
206 ms |
29548 KB |
Output is correct |
37 |
Correct |
199 ms |
29548 KB |
Output is correct |
38 |
Correct |
204 ms |
29548 KB |
Output is correct |
39 |
Correct |
241 ms |
32736 KB |
Output is correct |
40 |
Correct |
188 ms |
31332 KB |
Output is correct |
41 |
Correct |
240 ms |
32348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23788 KB |
Output is correct |
2 |
Correct |
18 ms |
23788 KB |
Output is correct |
3 |
Correct |
17 ms |
23916 KB |
Output is correct |
4 |
Correct |
16 ms |
23916 KB |
Output is correct |
5 |
Correct |
17 ms |
23916 KB |
Output is correct |
6 |
Correct |
17 ms |
23916 KB |
Output is correct |
7 |
Correct |
17 ms |
23916 KB |
Output is correct |
8 |
Correct |
17 ms |
23916 KB |
Output is correct |
9 |
Correct |
17 ms |
23916 KB |
Output is correct |
10 |
Correct |
17 ms |
23916 KB |
Output is correct |
11 |
Correct |
19 ms |
24044 KB |
Output is correct |
12 |
Correct |
20 ms |
24172 KB |
Output is correct |
13 |
Correct |
20 ms |
24172 KB |
Output is correct |
14 |
Correct |
22 ms |
24300 KB |
Output is correct |
15 |
Correct |
22 ms |
24172 KB |
Output is correct |
16 |
Correct |
23 ms |
24172 KB |
Output is correct |
17 |
Correct |
20 ms |
24044 KB |
Output is correct |
18 |
Correct |
20 ms |
24172 KB |
Output is correct |
19 |
Correct |
1860 ms |
75732 KB |
Output is correct |
20 |
Correct |
1865 ms |
75848 KB |
Output is correct |
21 |
Correct |
1849 ms |
76584 KB |
Output is correct |
22 |
Correct |
1855 ms |
76744 KB |
Output is correct |
23 |
Correct |
1524 ms |
77420 KB |
Output is correct |
24 |
Correct |
144 ms |
29540 KB |
Output is correct |
25 |
Correct |
132 ms |
28896 KB |
Output is correct |
26 |
Correct |
118 ms |
27372 KB |
Output is correct |
27 |
Correct |
117 ms |
27628 KB |
Output is correct |
28 |
Correct |
122 ms |
27756 KB |
Output is correct |
29 |
Correct |
98 ms |
26476 KB |
Output is correct |
30 |
Correct |
96 ms |
26476 KB |
Output is correct |
31 |
Correct |
111 ms |
28512 KB |
Output is correct |
32 |
Correct |
68 ms |
26344 KB |
Output is correct |
33 |
Correct |
109 ms |
28388 KB |
Output is correct |
34 |
Correct |
323 ms |
35356 KB |
Output is correct |
35 |
Correct |
330 ms |
35164 KB |
Output is correct |
36 |
Correct |
269 ms |
33628 KB |
Output is correct |
37 |
Correct |
268 ms |
33628 KB |
Output is correct |
38 |
Correct |
272 ms |
33620 KB |
Output is correct |
39 |
Correct |
220 ms |
29804 KB |
Output is correct |
40 |
Correct |
227 ms |
29804 KB |
Output is correct |
41 |
Correct |
248 ms |
30444 KB |
Output is correct |
42 |
Correct |
248 ms |
30572 KB |
Output is correct |
43 |
Correct |
258 ms |
30720 KB |
Output is correct |
44 |
Correct |
281 ms |
31544 KB |
Output is correct |
45 |
Correct |
277 ms |
31596 KB |
Output is correct |
46 |
Correct |
275 ms |
31468 KB |
Output is correct |
47 |
Correct |
273 ms |
31468 KB |
Output is correct |
48 |
Correct |
294 ms |
31468 KB |
Output is correct |
49 |
Correct |
206 ms |
29548 KB |
Output is correct |
50 |
Correct |
213 ms |
29620 KB |
Output is correct |
51 |
Correct |
206 ms |
29548 KB |
Output is correct |
52 |
Correct |
199 ms |
29548 KB |
Output is correct |
53 |
Correct |
204 ms |
29548 KB |
Output is correct |
54 |
Correct |
241 ms |
32736 KB |
Output is correct |
55 |
Correct |
188 ms |
31332 KB |
Output is correct |
56 |
Correct |
240 ms |
32348 KB |
Output is correct |
57 |
Correct |
1853 ms |
92232 KB |
Output is correct |
58 |
Correct |
1867 ms |
92284 KB |
Output is correct |
59 |
Correct |
1770 ms |
88272 KB |
Output is correct |
60 |
Correct |
1763 ms |
88316 KB |
Output is correct |
61 |
Correct |
1793 ms |
88296 KB |
Output is correct |
62 |
Correct |
1761 ms |
88264 KB |
Output is correct |
63 |
Correct |
1156 ms |
65468 KB |
Output is correct |
64 |
Correct |
1142 ms |
66084 KB |
Output is correct |
65 |
Correct |
1447 ms |
71148 KB |
Output is correct |
66 |
Correct |
1440 ms |
71020 KB |
Output is correct |
67 |
Correct |
1459 ms |
71880 KB |
Output is correct |
68 |
Correct |
1511 ms |
76064 KB |
Output is correct |
69 |
Correct |
1515 ms |
76180 KB |
Output is correct |
70 |
Correct |
1506 ms |
75116 KB |
Output is correct |
71 |
Correct |
1512 ms |
71932 KB |
Output is correct |
72 |
Correct |
1507 ms |
75260 KB |
Output is correct |
73 |
Correct |
1034 ms |
64844 KB |
Output is correct |
74 |
Correct |
1063 ms |
64876 KB |
Output is correct |
75 |
Correct |
1035 ms |
64872 KB |
Output is correct |
76 |
Correct |
1028 ms |
64748 KB |
Output is correct |
77 |
Correct |
1065 ms |
64692 KB |
Output is correct |
78 |
Correct |
1359 ms |
74812 KB |
Output is correct |
79 |
Correct |
980 ms |
80328 KB |
Output is correct |
80 |
Correct |
1362 ms |
90952 KB |
Output is correct |