#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <string>
#include <sstream>
#include <iomanip>
#include <map>
#include <unordered_map>
#include <stack>
#include <cstdio>
#include <climits>
#include <tuple>
#include <ctime>
#include <cstring>
#include <numeric>
#include <functional>
#include <chrono>
#include <cassert>
#include <bitset>
using namespace std;
using ll = long long;
const int mod = 1e9 + 7;
const int N = 5e6 + 5;
#define full(a) a.begin(), a.end()
#define eps 1e-9
vector<int> l2(1e6 + 5, 0);
int query(int& l, int& r, vector<vector<int>> &s) {
int t = r - l + 1;
t = l2[t];
return min(s[l][t], s[r - (1 << t) + 1][t]);
}
void solve() {
int n, m; cin >> n >> m;
vector<int> w(n);
for (int i = 0; i < n; i++)cin >> w[i];
if (n <= 5000 && m <= 5000) {
while (m--) {
int l, r, k; cin >> l >> r >> k;
l--, r--;
int ans = 1;
set<int> s;
s.insert(w[r]);
for (int i = r - 1; i >= l; i--) {
auto it = s.lower_bound(w[i]);
if (it != s.begin()) {
it--;
if (*it + w[i] > k)ans = 0;
}
s.insert(w[i]);
}
cout << ans << endl;
}
}
else {
vector<int> v(n);
stack<int> st;
for (int i = 0; i < n; i++) {
if (st.empty()) {
st.push(i);
continue;
}
while (!st.empty() && w[st.top()] > w[i]) {
v[st.top()] = i;
st.pop();
}
st.push(i);
}
while (!st.empty())
{
v[st.top()] = 2e9;
st.pop();
}
vector<vector<int>> sp(n + 5, vector<int>(25, 0));
for (int i = 0; i < n; i++)sp[i][0] = v[i];
for (int i = 0; i < n; i++) {
for (int j = 1; i + (1 << j) < n; j++)
sp[i][j] = min(sp[i][j - 1], sp[i + (1 << (j - 1))][j - 1]);
}
while (m--) {
int l, r, k; cin >> l >> r >> k;
l--, r--;
if (query(l, r, sp) <= r) {
cout << 0 << endl;
}
else cout << 1 << endl;
}
}
}
int main()
{
//int tc; cin >> tc;while(tc--)
l2[1] = 0;
for (int i = 2; i <= 1e6 + 2; i++)
l2[i] = l2[i / 2] + 1;
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4172 KB |
Output is correct |
2 |
Correct |
3 ms |
4172 KB |
Output is correct |
3 |
Correct |
6 ms |
4172 KB |
Output is correct |
4 |
Correct |
3 ms |
4172 KB |
Output is correct |
5 |
Correct |
3 ms |
4172 KB |
Output is correct |
6 |
Correct |
15 ms |
4172 KB |
Output is correct |
7 |
Correct |
14 ms |
4172 KB |
Output is correct |
8 |
Correct |
21 ms |
4172 KB |
Output is correct |
9 |
Correct |
11 ms |
4172 KB |
Output is correct |
10 |
Correct |
4 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4172 KB |
Output is correct |
2 |
Correct |
3 ms |
4172 KB |
Output is correct |
3 |
Correct |
6 ms |
4172 KB |
Output is correct |
4 |
Correct |
3 ms |
4172 KB |
Output is correct |
5 |
Correct |
3 ms |
4172 KB |
Output is correct |
6 |
Correct |
15 ms |
4172 KB |
Output is correct |
7 |
Correct |
14 ms |
4172 KB |
Output is correct |
8 |
Correct |
21 ms |
4172 KB |
Output is correct |
9 |
Correct |
11 ms |
4172 KB |
Output is correct |
10 |
Correct |
4 ms |
4172 KB |
Output is correct |
11 |
Correct |
221 ms |
4276 KB |
Output is correct |
12 |
Correct |
758 ms |
4432 KB |
Output is correct |
13 |
Correct |
859 ms |
4560 KB |
Output is correct |
14 |
Correct |
1463 ms |
4568 KB |
Output is correct |
15 |
Correct |
1458 ms |
4452 KB |
Output is correct |
16 |
Correct |
2352 ms |
4476 KB |
Output is correct |
17 |
Correct |
1630 ms |
4416 KB |
Output is correct |
18 |
Correct |
130 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2961 ms |
147280 KB |
Output is correct |
2 |
Correct |
2973 ms |
147112 KB |
Output is correct |
3 |
Execution timed out |
3012 ms |
179884 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
250 ms |
18372 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4172 KB |
Output is correct |
2 |
Correct |
3 ms |
4172 KB |
Output is correct |
3 |
Correct |
6 ms |
4172 KB |
Output is correct |
4 |
Correct |
3 ms |
4172 KB |
Output is correct |
5 |
Correct |
3 ms |
4172 KB |
Output is correct |
6 |
Correct |
15 ms |
4172 KB |
Output is correct |
7 |
Correct |
14 ms |
4172 KB |
Output is correct |
8 |
Correct |
21 ms |
4172 KB |
Output is correct |
9 |
Correct |
11 ms |
4172 KB |
Output is correct |
10 |
Correct |
4 ms |
4172 KB |
Output is correct |
11 |
Correct |
221 ms |
4276 KB |
Output is correct |
12 |
Correct |
758 ms |
4432 KB |
Output is correct |
13 |
Correct |
859 ms |
4560 KB |
Output is correct |
14 |
Correct |
1463 ms |
4568 KB |
Output is correct |
15 |
Correct |
1458 ms |
4452 KB |
Output is correct |
16 |
Correct |
2352 ms |
4476 KB |
Output is correct |
17 |
Correct |
1630 ms |
4416 KB |
Output is correct |
18 |
Correct |
130 ms |
4172 KB |
Output is correct |
19 |
Incorrect |
562 ms |
32708 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4172 KB |
Output is correct |
2 |
Correct |
3 ms |
4172 KB |
Output is correct |
3 |
Correct |
6 ms |
4172 KB |
Output is correct |
4 |
Correct |
3 ms |
4172 KB |
Output is correct |
5 |
Correct |
3 ms |
4172 KB |
Output is correct |
6 |
Correct |
15 ms |
4172 KB |
Output is correct |
7 |
Correct |
14 ms |
4172 KB |
Output is correct |
8 |
Correct |
21 ms |
4172 KB |
Output is correct |
9 |
Correct |
11 ms |
4172 KB |
Output is correct |
10 |
Correct |
4 ms |
4172 KB |
Output is correct |
11 |
Correct |
221 ms |
4276 KB |
Output is correct |
12 |
Correct |
758 ms |
4432 KB |
Output is correct |
13 |
Correct |
859 ms |
4560 KB |
Output is correct |
14 |
Correct |
1463 ms |
4568 KB |
Output is correct |
15 |
Correct |
1458 ms |
4452 KB |
Output is correct |
16 |
Correct |
2352 ms |
4476 KB |
Output is correct |
17 |
Correct |
1630 ms |
4416 KB |
Output is correct |
18 |
Correct |
130 ms |
4172 KB |
Output is correct |
19 |
Correct |
2961 ms |
147280 KB |
Output is correct |
20 |
Correct |
2973 ms |
147112 KB |
Output is correct |
21 |
Execution timed out |
3012 ms |
179884 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |