#include <bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
typedef long long ll;
const ll MOD = 1e9 + 9;
const ll LOGN = 21;
const ll MAXN = 1e6 + 100;
struct Node {
int ans, mx_pos;
Node() { }
Node(int _ans, int _mx_pos) : ans(_ans), mx_pos(_mx_pos) { }
};
vector<pair<pair<int,int>,int>> v[MAXN];
vector<int> w;
Node sg[4 * MAXN];
int lazy[MAXN], ans[MAXN];
Node merge(Node A, Node B) {
Node new_node;
new_node.ans = max(A.ans, B.ans);
new_node.mx_pos = max(A.mx_pos, B.mx_pos);
return new_node;
}
void push(int k, int a, int b) {
sg[k].ans = max(sg[k].ans, sg[k].mx_pos - lazy[k]);
if (a != b) {
lazy[2*k] = min(lazy[2*k], lazy[k]);
lazy[2*k+1] = min(lazy[2*k+1], lazy[k]);
}
lazy[k] = 1e9 + 1000;
}
void init(int k, int a, int b) {
if (a == b) {
sg[k].ans = 0;
sg[k].mx_pos = w[a];
lazy[k] = 1e9 + 1000;
return ;
}
init(2*k, a, (a+b)/2);
init(2*k+1, (a+b)/2+1, b);
sg[k] = merge(sg[2*k], sg[2*k+1]);
lazy[k] = 1e9 + 1000;
}
void update(int k, int a, int b, int q_l, int q_r, int val) {
push(k, a, b);
if (b < q_l || a > q_r)
return ;
if (q_l <= a && b <= q_r) {
lazy[k] = val;
push(k, a, b);
return ;
}
update(2*k, a, (a+b)/2, q_l, q_r, val);
update(2*k+1, (a+b)/2+1, b, q_l, q_r, val);
sg[k] = merge(sg[2*k], sg[2*k+1]);
}
Node query(int k, int a, int b, int q_l, int q_r) {
push(k, a, b);
if (b < q_l || a > q_r)
return Node(-1, -1);
if (q_l <= a && b <= q_r)
return sg[k];
return merge(query(2*k, a, (a+b)/2, q_l, q_r), query(2*k+1, (a+b)/2+1, b, q_l, q_r));
}
int main() {
fast
int N, M, l, r, k;
cin >> N >> M;
w = vector<int>(N+1);
for (int i = 1; i <= N; i++)
cin >> w[i];
for (int i = 0; i < M; i++) {
cin >> l >> r >> k;
v[r].push_back({{l, k}, i});
}
init(1, 1, N);
for (int i = 1; i <= N; i++) {
update(1, 1, N, 1, i, w[i]);
for (auto u : v[i]) {
int Q = query(1, 1, N, u.f.f, i).ans;
if (Q > u.f.s)
ans[u.s] = 0;
else
ans[u.s] = 1;
}
}
for (int i = 0; i < M; i++)
cout << ans[i] << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
30040 KB |
Output is correct |
2 |
Correct |
6 ms |
30044 KB |
Output is correct |
3 |
Incorrect |
7 ms |
30044 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
30040 KB |
Output is correct |
2 |
Correct |
6 ms |
30044 KB |
Output is correct |
3 |
Incorrect |
7 ms |
30044 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1715 ms |
110020 KB |
Output is correct |
2 |
Incorrect |
1552 ms |
111040 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
109 ms |
40988 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
30040 KB |
Output is correct |
2 |
Correct |
6 ms |
30044 KB |
Output is correct |
3 |
Incorrect |
7 ms |
30044 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
30040 KB |
Output is correct |
2 |
Correct |
6 ms |
30044 KB |
Output is correct |
3 |
Incorrect |
7 ms |
30044 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |