#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
const int L = 20;
int n, m;
int rx[L][N];
int mx[L][N];
int mxr[L][N];
int rmx(int l, int r) {
int w = __lg(r - l + 1);
return max(mx[w][l], mx[w][r - (1 << w) + 1]);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
cin >> mx[0][i];
}
stack<int> st;
for (int i = n; i >= 1; i--) {
while (!st.empty() && mx[0][i] > mx[0][st.top()]) {
st.pop();
}
rx[0][i] = (st.empty() ? n + 1 : st.top());
st.push(i);
}
rx[0][n + 1] = n + 1;
for (int j = 1; j < L; j++) {
for (int i = 1; i <= n + 1; i++) {
rx[j][i] = rx[j - 1][rx[j - 1][i]];
}
for (int i = 1; i + (1 << j) - 1 <= n; i++) {
mx[j][i] = max(mx[j - 1][i], mx[j - 1][i + (1 << (j - 1))]);
}
}
for (int i = 1; i <= n + 1; i++) {
if (rx[0][i] > i + 1) {
mxr[0][i] = mx[0][i] + rmx(i + 1, rx[0][i] - 1);
}
}
for (int j = 1; j < L; j++) {
for (int i = 1; i <= n + 1; i++) {
mxr[j][i] = max(mxr[j - 1][i], mxr[j - 1][rx[j - 1][i]]);
}
}
while (m--) {
int l, r, k;
cin >> l >> r >> k;
bool f = true;
for (int i = L - 1; i >= 0; i--) {
if (rx[i][l] <= r) {
f &= (mxr[i][l] <= k);
l = rx[i][l];
}
}
if (l < r) {
f &= (mx[0][l] + rmx(l + 1, r) <= k);
}
cout << f << '\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
86608 KB |
Output is correct |
2 |
Correct |
9 ms |
82516 KB |
Output is correct |
3 |
Correct |
13 ms |
96800 KB |
Output is correct |
4 |
Correct |
10 ms |
92760 KB |
Output is correct |
5 |
Correct |
12 ms |
96860 KB |
Output is correct |
6 |
Correct |
12 ms |
98908 KB |
Output is correct |
7 |
Correct |
12 ms |
98968 KB |
Output is correct |
8 |
Correct |
10 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98848 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
86608 KB |
Output is correct |
2 |
Correct |
9 ms |
82516 KB |
Output is correct |
3 |
Correct |
13 ms |
96800 KB |
Output is correct |
4 |
Correct |
10 ms |
92760 KB |
Output is correct |
5 |
Correct |
12 ms |
96860 KB |
Output is correct |
6 |
Correct |
12 ms |
98908 KB |
Output is correct |
7 |
Correct |
12 ms |
98968 KB |
Output is correct |
8 |
Correct |
10 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98848 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
12 ms |
103044 KB |
Output is correct |
12 |
Correct |
15 ms |
107100 KB |
Output is correct |
13 |
Correct |
16 ms |
107352 KB |
Output is correct |
14 |
Correct |
15 ms |
107348 KB |
Output is correct |
15 |
Correct |
14 ms |
107324 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
13 ms |
107148 KB |
Output is correct |
18 |
Correct |
14 ms |
107100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
899 ms |
260456 KB |
Output is correct |
2 |
Correct |
935 ms |
261804 KB |
Output is correct |
3 |
Correct |
865 ms |
261416 KB |
Output is correct |
4 |
Correct |
856 ms |
261716 KB |
Output is correct |
5 |
Correct |
2584 ms |
262144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
141396 KB |
Output is correct |
2 |
Correct |
55 ms |
141392 KB |
Output is correct |
3 |
Correct |
79 ms |
139756 KB |
Output is correct |
4 |
Correct |
86 ms |
139824 KB |
Output is correct |
5 |
Correct |
91 ms |
139860 KB |
Output is correct |
6 |
Correct |
67 ms |
141648 KB |
Output is correct |
7 |
Correct |
58 ms |
141652 KB |
Output is correct |
8 |
Correct |
62 ms |
141280 KB |
Output is correct |
9 |
Correct |
35 ms |
101968 KB |
Output is correct |
10 |
Correct |
76 ms |
141272 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
86608 KB |
Output is correct |
2 |
Correct |
9 ms |
82516 KB |
Output is correct |
3 |
Correct |
13 ms |
96800 KB |
Output is correct |
4 |
Correct |
10 ms |
92760 KB |
Output is correct |
5 |
Correct |
12 ms |
96860 KB |
Output is correct |
6 |
Correct |
12 ms |
98908 KB |
Output is correct |
7 |
Correct |
12 ms |
98968 KB |
Output is correct |
8 |
Correct |
10 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98848 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
12 ms |
103044 KB |
Output is correct |
12 |
Correct |
15 ms |
107100 KB |
Output is correct |
13 |
Correct |
16 ms |
107352 KB |
Output is correct |
14 |
Correct |
15 ms |
107348 KB |
Output is correct |
15 |
Correct |
14 ms |
107324 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
13 ms |
107148 KB |
Output is correct |
18 |
Correct |
14 ms |
107100 KB |
Output is correct |
19 |
Correct |
150 ms |
168624 KB |
Output is correct |
20 |
Correct |
149 ms |
168528 KB |
Output is correct |
21 |
Correct |
105 ms |
168676 KB |
Output is correct |
22 |
Correct |
106 ms |
168640 KB |
Output is correct |
23 |
Correct |
108 ms |
168764 KB |
Output is correct |
24 |
Correct |
131 ms |
166944 KB |
Output is correct |
25 |
Correct |
174 ms |
167248 KB |
Output is correct |
26 |
Correct |
185 ms |
167128 KB |
Output is correct |
27 |
Correct |
152 ms |
167284 KB |
Output is correct |
28 |
Correct |
167 ms |
167228 KB |
Output is correct |
29 |
Correct |
230 ms |
167236 KB |
Output is correct |
30 |
Correct |
294 ms |
167356 KB |
Output is correct |
31 |
Correct |
245 ms |
167332 KB |
Output is correct |
32 |
Correct |
244 ms |
167228 KB |
Output is correct |
33 |
Correct |
237 ms |
167348 KB |
Output is correct |
34 |
Correct |
113 ms |
169148 KB |
Output is correct |
35 |
Correct |
108 ms |
169044 KB |
Output is correct |
36 |
Correct |
106 ms |
169040 KB |
Output is correct |
37 |
Correct |
106 ms |
169044 KB |
Output is correct |
38 |
Correct |
109 ms |
168948 KB |
Output is correct |
39 |
Correct |
171 ms |
168276 KB |
Output is correct |
40 |
Correct |
143 ms |
149648 KB |
Output is correct |
41 |
Correct |
141 ms |
167760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
86608 KB |
Output is correct |
2 |
Correct |
9 ms |
82516 KB |
Output is correct |
3 |
Correct |
13 ms |
96800 KB |
Output is correct |
4 |
Correct |
10 ms |
92760 KB |
Output is correct |
5 |
Correct |
12 ms |
96860 KB |
Output is correct |
6 |
Correct |
12 ms |
98908 KB |
Output is correct |
7 |
Correct |
12 ms |
98968 KB |
Output is correct |
8 |
Correct |
10 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98848 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
12 ms |
103044 KB |
Output is correct |
12 |
Correct |
15 ms |
107100 KB |
Output is correct |
13 |
Correct |
16 ms |
107352 KB |
Output is correct |
14 |
Correct |
15 ms |
107348 KB |
Output is correct |
15 |
Correct |
14 ms |
107324 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
13 ms |
107148 KB |
Output is correct |
18 |
Correct |
14 ms |
107100 KB |
Output is correct |
19 |
Correct |
899 ms |
260456 KB |
Output is correct |
20 |
Correct |
935 ms |
261804 KB |
Output is correct |
21 |
Correct |
865 ms |
261416 KB |
Output is correct |
22 |
Correct |
856 ms |
261716 KB |
Output is correct |
23 |
Correct |
2584 ms |
262144 KB |
Output is correct |
24 |
Correct |
68 ms |
141396 KB |
Output is correct |
25 |
Correct |
55 ms |
141392 KB |
Output is correct |
26 |
Correct |
79 ms |
139756 KB |
Output is correct |
27 |
Correct |
86 ms |
139824 KB |
Output is correct |
28 |
Correct |
91 ms |
139860 KB |
Output is correct |
29 |
Correct |
67 ms |
141648 KB |
Output is correct |
30 |
Correct |
58 ms |
141652 KB |
Output is correct |
31 |
Correct |
62 ms |
141280 KB |
Output is correct |
32 |
Correct |
35 ms |
101968 KB |
Output is correct |
33 |
Correct |
76 ms |
141272 KB |
Output is correct |
34 |
Correct |
150 ms |
168624 KB |
Output is correct |
35 |
Correct |
149 ms |
168528 KB |
Output is correct |
36 |
Correct |
105 ms |
168676 KB |
Output is correct |
37 |
Correct |
106 ms |
168640 KB |
Output is correct |
38 |
Correct |
108 ms |
168764 KB |
Output is correct |
39 |
Correct |
131 ms |
166944 KB |
Output is correct |
40 |
Correct |
174 ms |
167248 KB |
Output is correct |
41 |
Correct |
185 ms |
167128 KB |
Output is correct |
42 |
Correct |
152 ms |
167284 KB |
Output is correct |
43 |
Correct |
167 ms |
167228 KB |
Output is correct |
44 |
Correct |
230 ms |
167236 KB |
Output is correct |
45 |
Correct |
294 ms |
167356 KB |
Output is correct |
46 |
Correct |
245 ms |
167332 KB |
Output is correct |
47 |
Correct |
244 ms |
167228 KB |
Output is correct |
48 |
Correct |
237 ms |
167348 KB |
Output is correct |
49 |
Correct |
113 ms |
169148 KB |
Output is correct |
50 |
Correct |
108 ms |
169044 KB |
Output is correct |
51 |
Correct |
106 ms |
169040 KB |
Output is correct |
52 |
Correct |
106 ms |
169044 KB |
Output is correct |
53 |
Correct |
109 ms |
168948 KB |
Output is correct |
54 |
Correct |
171 ms |
168276 KB |
Output is correct |
55 |
Correct |
143 ms |
149648 KB |
Output is correct |
56 |
Correct |
141 ms |
167760 KB |
Output is correct |
57 |
Correct |
950 ms |
253648 KB |
Output is correct |
58 |
Correct |
914 ms |
262144 KB |
Output is correct |
59 |
Correct |
824 ms |
262144 KB |
Output is correct |
60 |
Runtime error |
948 ms |
262148 KB |
Memory limit exceeded |
61 |
Halted |
0 ms |
0 KB |
- |