#include <bits/stdc++.h>
#define pb push_back
#define ff first
#define ss second
#define LINE "----------------------\n"
#define ALL(x) x.begin(),x.end()
using namespace std;
using ll = long long;
using PII = pair <int, int>;
using VI = vector <int>;
using VVI = vector <VI>;
using VPI = vector <PII>;
const int N = 1e6 + 5;
const int M = 4 * N;
const int INF = 1e9+1;
int nums[N], ans[N], node[M];
int n, m;
struct Query {
int l, r, k, id;
Query () {}
Query (int _l, int _r, int _k, int _id) {
l = _l;
r = _r;
k = _k;
id = _id;
}
void init (int _l, int _r, int _k, int _id) {
l = _l;
r = _r;
k = _k;
id = _id;
}
bool operator < (const Query& a) const {
return r < a.r;
}
};
vector <Query> queries[N];
void update(int l, int r, int id, int val, int head) {
if (l == r) {
node[head] = val;
return;
}
int mid = (l+r)>>1;
if (id <= mid) update(l, mid, id, val, head*2+1);
else update(mid+1, r, id, val, head*2+2);
node[head] = max(node[head*2+1], node[head*2+2]);
}
int query(int l, int r, int L, int R, int head) {
if (l > R || L > r) return -1;
if (L <= l && r <= R) return node[head];
int mid = (l+r)>>1;
return max(
query(l, mid, L, R, head*2+1),
query(mid+1, r, L, R, head*2+2)
);
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
cin >> n >> m;
nums[0] = 1e9+1;
for (int i = 1; i <= n; i++) cin >> nums[i];
// vector <Query> queries;
Query tmp;
for (int i = 1; i <= m; i++) {
int l, r, k; cin >> l >> r >> k;
tmp.init(l, r, k, i);
queries[r].pb(tmp);
}
stack <int> stk;
stk.push(0);
memset(node, -1, sizeof(node));
for (int i = 1, j = 0; i <= n && j < m; i++) {
while (nums[i] >= nums[stk.top()]) stk.pop();
if (stk.size() > 1) update(1, n, stk.top(), nums[stk.top()]+nums[i], 0);
stk.push(i);
for (auto &curQ : queries[i]) {
ans[curQ.id] = (query(1, n, curQ.l, curQ.r, 0) > curQ.k ? 0 : 1);
j++;
}
}
for (int i = 1; i <= m; i++) cout << ans[i] << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
39372 KB |
Output is correct |
2 |
Correct |
22 ms |
39372 KB |
Output is correct |
3 |
Correct |
20 ms |
39412 KB |
Output is correct |
4 |
Correct |
24 ms |
39400 KB |
Output is correct |
5 |
Correct |
19 ms |
39372 KB |
Output is correct |
6 |
Correct |
19 ms |
39500 KB |
Output is correct |
7 |
Correct |
19 ms |
39500 KB |
Output is correct |
8 |
Correct |
19 ms |
39480 KB |
Output is correct |
9 |
Correct |
20 ms |
39372 KB |
Output is correct |
10 |
Correct |
21 ms |
39500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
39372 KB |
Output is correct |
2 |
Correct |
22 ms |
39372 KB |
Output is correct |
3 |
Correct |
20 ms |
39412 KB |
Output is correct |
4 |
Correct |
24 ms |
39400 KB |
Output is correct |
5 |
Correct |
19 ms |
39372 KB |
Output is correct |
6 |
Correct |
19 ms |
39500 KB |
Output is correct |
7 |
Correct |
19 ms |
39500 KB |
Output is correct |
8 |
Correct |
19 ms |
39480 KB |
Output is correct |
9 |
Correct |
20 ms |
39372 KB |
Output is correct |
10 |
Correct |
21 ms |
39500 KB |
Output is correct |
11 |
Correct |
24 ms |
39556 KB |
Output is correct |
12 |
Correct |
25 ms |
39556 KB |
Output is correct |
13 |
Correct |
22 ms |
39620 KB |
Output is correct |
14 |
Correct |
26 ms |
39660 KB |
Output is correct |
15 |
Correct |
24 ms |
39656 KB |
Output is correct |
16 |
Correct |
22 ms |
39740 KB |
Output is correct |
17 |
Correct |
22 ms |
39704 KB |
Output is correct |
18 |
Correct |
25 ms |
39688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1353 ms |
79660 KB |
Output is correct |
2 |
Correct |
1365 ms |
79788 KB |
Output is correct |
3 |
Correct |
1327 ms |
79740 KB |
Output is correct |
4 |
Correct |
1376 ms |
79756 KB |
Output is correct |
5 |
Correct |
1148 ms |
79692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
104 ms |
44880 KB |
Output is correct |
2 |
Correct |
120 ms |
44704 KB |
Output is correct |
3 |
Correct |
89 ms |
44868 KB |
Output is correct |
4 |
Correct |
91 ms |
44868 KB |
Output is correct |
5 |
Correct |
91 ms |
44916 KB |
Output is correct |
6 |
Correct |
79 ms |
44612 KB |
Output is correct |
7 |
Correct |
86 ms |
44520 KB |
Output is correct |
8 |
Correct |
91 ms |
44360 KB |
Output is correct |
9 |
Correct |
54 ms |
43316 KB |
Output is correct |
10 |
Correct |
101 ms |
44380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
39372 KB |
Output is correct |
2 |
Correct |
22 ms |
39372 KB |
Output is correct |
3 |
Correct |
20 ms |
39412 KB |
Output is correct |
4 |
Correct |
24 ms |
39400 KB |
Output is correct |
5 |
Correct |
19 ms |
39372 KB |
Output is correct |
6 |
Correct |
19 ms |
39500 KB |
Output is correct |
7 |
Correct |
19 ms |
39500 KB |
Output is correct |
8 |
Correct |
19 ms |
39480 KB |
Output is correct |
9 |
Correct |
20 ms |
39372 KB |
Output is correct |
10 |
Correct |
21 ms |
39500 KB |
Output is correct |
11 |
Correct |
24 ms |
39556 KB |
Output is correct |
12 |
Correct |
25 ms |
39556 KB |
Output is correct |
13 |
Correct |
22 ms |
39620 KB |
Output is correct |
14 |
Correct |
26 ms |
39660 KB |
Output is correct |
15 |
Correct |
24 ms |
39656 KB |
Output is correct |
16 |
Correct |
22 ms |
39740 KB |
Output is correct |
17 |
Correct |
22 ms |
39704 KB |
Output is correct |
18 |
Correct |
25 ms |
39688 KB |
Output is correct |
19 |
Correct |
221 ms |
53168 KB |
Output is correct |
20 |
Correct |
227 ms |
53124 KB |
Output is correct |
21 |
Correct |
220 ms |
52712 KB |
Output is correct |
22 |
Correct |
199 ms |
52640 KB |
Output is correct |
23 |
Correct |
252 ms |
52664 KB |
Output is correct |
24 |
Correct |
176 ms |
52564 KB |
Output is correct |
25 |
Correct |
165 ms |
52600 KB |
Output is correct |
26 |
Correct |
182 ms |
52836 KB |
Output is correct |
27 |
Correct |
229 ms |
52840 KB |
Output is correct |
28 |
Correct |
189 ms |
52780 KB |
Output is correct |
29 |
Correct |
220 ms |
53108 KB |
Output is correct |
30 |
Correct |
208 ms |
53236 KB |
Output is correct |
31 |
Correct |
203 ms |
53016 KB |
Output is correct |
32 |
Correct |
211 ms |
53104 KB |
Output is correct |
33 |
Correct |
198 ms |
53060 KB |
Output is correct |
34 |
Correct |
189 ms |
52088 KB |
Output is correct |
35 |
Correct |
163 ms |
52088 KB |
Output is correct |
36 |
Correct |
176 ms |
51844 KB |
Output is correct |
37 |
Correct |
161 ms |
51936 KB |
Output is correct |
38 |
Correct |
165 ms |
52012 KB |
Output is correct |
39 |
Correct |
190 ms |
51288 KB |
Output is correct |
40 |
Correct |
148 ms |
50096 KB |
Output is correct |
41 |
Correct |
179 ms |
50780 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
39372 KB |
Output is correct |
2 |
Correct |
22 ms |
39372 KB |
Output is correct |
3 |
Correct |
20 ms |
39412 KB |
Output is correct |
4 |
Correct |
24 ms |
39400 KB |
Output is correct |
5 |
Correct |
19 ms |
39372 KB |
Output is correct |
6 |
Correct |
19 ms |
39500 KB |
Output is correct |
7 |
Correct |
19 ms |
39500 KB |
Output is correct |
8 |
Correct |
19 ms |
39480 KB |
Output is correct |
9 |
Correct |
20 ms |
39372 KB |
Output is correct |
10 |
Correct |
21 ms |
39500 KB |
Output is correct |
11 |
Correct |
24 ms |
39556 KB |
Output is correct |
12 |
Correct |
25 ms |
39556 KB |
Output is correct |
13 |
Correct |
22 ms |
39620 KB |
Output is correct |
14 |
Correct |
26 ms |
39660 KB |
Output is correct |
15 |
Correct |
24 ms |
39656 KB |
Output is correct |
16 |
Correct |
22 ms |
39740 KB |
Output is correct |
17 |
Correct |
22 ms |
39704 KB |
Output is correct |
18 |
Correct |
25 ms |
39688 KB |
Output is correct |
19 |
Correct |
1353 ms |
79660 KB |
Output is correct |
20 |
Correct |
1365 ms |
79788 KB |
Output is correct |
21 |
Correct |
1327 ms |
79740 KB |
Output is correct |
22 |
Correct |
1376 ms |
79756 KB |
Output is correct |
23 |
Correct |
1148 ms |
79692 KB |
Output is correct |
24 |
Correct |
104 ms |
44880 KB |
Output is correct |
25 |
Correct |
120 ms |
44704 KB |
Output is correct |
26 |
Correct |
89 ms |
44868 KB |
Output is correct |
27 |
Correct |
91 ms |
44868 KB |
Output is correct |
28 |
Correct |
91 ms |
44916 KB |
Output is correct |
29 |
Correct |
79 ms |
44612 KB |
Output is correct |
30 |
Correct |
86 ms |
44520 KB |
Output is correct |
31 |
Correct |
91 ms |
44360 KB |
Output is correct |
32 |
Correct |
54 ms |
43316 KB |
Output is correct |
33 |
Correct |
101 ms |
44380 KB |
Output is correct |
34 |
Correct |
221 ms |
53168 KB |
Output is correct |
35 |
Correct |
227 ms |
53124 KB |
Output is correct |
36 |
Correct |
220 ms |
52712 KB |
Output is correct |
37 |
Correct |
199 ms |
52640 KB |
Output is correct |
38 |
Correct |
252 ms |
52664 KB |
Output is correct |
39 |
Correct |
176 ms |
52564 KB |
Output is correct |
40 |
Correct |
165 ms |
52600 KB |
Output is correct |
41 |
Correct |
182 ms |
52836 KB |
Output is correct |
42 |
Correct |
229 ms |
52840 KB |
Output is correct |
43 |
Correct |
189 ms |
52780 KB |
Output is correct |
44 |
Correct |
220 ms |
53108 KB |
Output is correct |
45 |
Correct |
208 ms |
53236 KB |
Output is correct |
46 |
Correct |
203 ms |
53016 KB |
Output is correct |
47 |
Correct |
211 ms |
53104 KB |
Output is correct |
48 |
Correct |
198 ms |
53060 KB |
Output is correct |
49 |
Correct |
189 ms |
52088 KB |
Output is correct |
50 |
Correct |
163 ms |
52088 KB |
Output is correct |
51 |
Correct |
176 ms |
51844 KB |
Output is correct |
52 |
Correct |
161 ms |
51936 KB |
Output is correct |
53 |
Correct |
165 ms |
52012 KB |
Output is correct |
54 |
Correct |
190 ms |
51288 KB |
Output is correct |
55 |
Correct |
148 ms |
50096 KB |
Output is correct |
56 |
Correct |
179 ms |
50780 KB |
Output is correct |
57 |
Correct |
1399 ms |
75204 KB |
Output is correct |
58 |
Correct |
1454 ms |
75424 KB |
Output is correct |
59 |
Correct |
1278 ms |
74444 KB |
Output is correct |
60 |
Correct |
1203 ms |
74480 KB |
Output is correct |
61 |
Correct |
1252 ms |
74368 KB |
Output is correct |
62 |
Correct |
1291 ms |
74436 KB |
Output is correct |
63 |
Correct |
823 ms |
73844 KB |
Output is correct |
64 |
Correct |
810 ms |
73864 KB |
Output is correct |
65 |
Correct |
1094 ms |
74508 KB |
Output is correct |
66 |
Correct |
1075 ms |
74384 KB |
Output is correct |
67 |
Correct |
1097 ms |
79208 KB |
Output is correct |
68 |
Correct |
1159 ms |
75212 KB |
Output is correct |
69 |
Correct |
1177 ms |
75244 KB |
Output is correct |
70 |
Correct |
1217 ms |
75040 KB |
Output is correct |
71 |
Correct |
1143 ms |
75004 KB |
Output is correct |
72 |
Correct |
1156 ms |
75240 KB |
Output is correct |
73 |
Correct |
795 ms |
70296 KB |
Output is correct |
74 |
Correct |
745 ms |
73368 KB |
Output is correct |
75 |
Correct |
710 ms |
73604 KB |
Output is correct |
76 |
Correct |
731 ms |
73592 KB |
Output is correct |
77 |
Correct |
772 ms |
73104 KB |
Output is correct |
78 |
Correct |
962 ms |
72916 KB |
Output is correct |
79 |
Correct |
693 ms |
68636 KB |
Output is correct |
80 |
Correct |
967 ms |
72500 KB |
Output is correct |