#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 1;
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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
86620 KB |
Output is correct |
2 |
Correct |
9 ms |
82524 KB |
Output is correct |
3 |
Correct |
10 ms |
96860 KB |
Output is correct |
4 |
Correct |
10 ms |
92764 KB |
Output is correct |
5 |
Correct |
10 ms |
96860 KB |
Output is correct |
6 |
Correct |
11 ms |
98908 KB |
Output is correct |
7 |
Correct |
11 ms |
98908 KB |
Output is correct |
8 |
Correct |
11 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98872 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
86620 KB |
Output is correct |
2 |
Correct |
9 ms |
82524 KB |
Output is correct |
3 |
Correct |
10 ms |
96860 KB |
Output is correct |
4 |
Correct |
10 ms |
92764 KB |
Output is correct |
5 |
Correct |
10 ms |
96860 KB |
Output is correct |
6 |
Correct |
11 ms |
98908 KB |
Output is correct |
7 |
Correct |
11 ms |
98908 KB |
Output is correct |
8 |
Correct |
11 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98872 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
13 ms |
103004 KB |
Output is correct |
12 |
Correct |
13 ms |
107236 KB |
Output is correct |
13 |
Correct |
14 ms |
107100 KB |
Output is correct |
14 |
Correct |
14 ms |
107096 KB |
Output is correct |
15 |
Correct |
16 ms |
107108 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
14 ms |
107096 KB |
Output is correct |
18 |
Correct |
14 ms |
107224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
941 ms |
253512 KB |
Output is correct |
2 |
Correct |
878 ms |
254192 KB |
Output is correct |
3 |
Correct |
854 ms |
253988 KB |
Output is correct |
4 |
Correct |
899 ms |
254104 KB |
Output is correct |
5 |
Incorrect |
2609 ms |
257284 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
141528 KB |
Output is correct |
2 |
Correct |
55 ms |
141588 KB |
Output is correct |
3 |
Correct |
80 ms |
139628 KB |
Output is correct |
4 |
Correct |
99 ms |
139620 KB |
Output is correct |
5 |
Correct |
78 ms |
139600 KB |
Output is correct |
6 |
Correct |
58 ms |
141816 KB |
Output is correct |
7 |
Correct |
70 ms |
141740 KB |
Output is correct |
8 |
Correct |
64 ms |
141648 KB |
Output is correct |
9 |
Correct |
35 ms |
102160 KB |
Output is correct |
10 |
Correct |
73 ms |
141648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
86620 KB |
Output is correct |
2 |
Correct |
9 ms |
82524 KB |
Output is correct |
3 |
Correct |
10 ms |
96860 KB |
Output is correct |
4 |
Correct |
10 ms |
92764 KB |
Output is correct |
5 |
Correct |
10 ms |
96860 KB |
Output is correct |
6 |
Correct |
11 ms |
98908 KB |
Output is correct |
7 |
Correct |
11 ms |
98908 KB |
Output is correct |
8 |
Correct |
11 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98872 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
13 ms |
103004 KB |
Output is correct |
12 |
Correct |
13 ms |
107236 KB |
Output is correct |
13 |
Correct |
14 ms |
107100 KB |
Output is correct |
14 |
Correct |
14 ms |
107096 KB |
Output is correct |
15 |
Correct |
16 ms |
107108 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
14 ms |
107096 KB |
Output is correct |
18 |
Correct |
14 ms |
107224 KB |
Output is correct |
19 |
Correct |
169 ms |
169200 KB |
Output is correct |
20 |
Correct |
145 ms |
168788 KB |
Output is correct |
21 |
Correct |
107 ms |
168980 KB |
Output is correct |
22 |
Correct |
116 ms |
168812 KB |
Output is correct |
23 |
Correct |
109 ms |
168948 KB |
Output is correct |
24 |
Correct |
131 ms |
167252 KB |
Output is correct |
25 |
Correct |
138 ms |
167252 KB |
Output is correct |
26 |
Correct |
147 ms |
167508 KB |
Output is correct |
27 |
Correct |
163 ms |
167408 KB |
Output is correct |
28 |
Correct |
181 ms |
167504 KB |
Output is correct |
29 |
Correct |
268 ms |
167556 KB |
Output is correct |
30 |
Correct |
255 ms |
167488 KB |
Output is correct |
31 |
Correct |
249 ms |
167592 KB |
Output is correct |
32 |
Correct |
247 ms |
167432 KB |
Output is correct |
33 |
Correct |
253 ms |
167716 KB |
Output is correct |
34 |
Correct |
107 ms |
169296 KB |
Output is correct |
35 |
Correct |
109 ms |
169272 KB |
Output is correct |
36 |
Correct |
108 ms |
168924 KB |
Output is correct |
37 |
Correct |
121 ms |
169136 KB |
Output is correct |
38 |
Correct |
110 ms |
169268 KB |
Output is correct |
39 |
Correct |
182 ms |
168592 KB |
Output is correct |
40 |
Correct |
147 ms |
149736 KB |
Output is correct |
41 |
Correct |
139 ms |
168016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
86620 KB |
Output is correct |
2 |
Correct |
9 ms |
82524 KB |
Output is correct |
3 |
Correct |
10 ms |
96860 KB |
Output is correct |
4 |
Correct |
10 ms |
92764 KB |
Output is correct |
5 |
Correct |
10 ms |
96860 KB |
Output is correct |
6 |
Correct |
11 ms |
98908 KB |
Output is correct |
7 |
Correct |
11 ms |
98908 KB |
Output is correct |
8 |
Correct |
11 ms |
98908 KB |
Output is correct |
9 |
Correct |
11 ms |
98872 KB |
Output is correct |
10 |
Correct |
11 ms |
98908 KB |
Output is correct |
11 |
Correct |
13 ms |
103004 KB |
Output is correct |
12 |
Correct |
13 ms |
107236 KB |
Output is correct |
13 |
Correct |
14 ms |
107100 KB |
Output is correct |
14 |
Correct |
14 ms |
107096 KB |
Output is correct |
15 |
Correct |
16 ms |
107108 KB |
Output is correct |
16 |
Correct |
14 ms |
107100 KB |
Output is correct |
17 |
Correct |
14 ms |
107096 KB |
Output is correct |
18 |
Correct |
14 ms |
107224 KB |
Output is correct |
19 |
Correct |
941 ms |
253512 KB |
Output is correct |
20 |
Correct |
878 ms |
254192 KB |
Output is correct |
21 |
Correct |
854 ms |
253988 KB |
Output is correct |
22 |
Correct |
899 ms |
254104 KB |
Output is correct |
23 |
Incorrect |
2609 ms |
257284 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |