#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2e5 + 10;
#define ff first
#define ss second
ll fen[N];
ll arr[N];
void upd(int at, ll val) {
at++;
while(at < N) {
fen[at] = max(fen[at], val);
at+=at&(-at);
}
}
ll get(int r) {
r++;
ll mx = 0;
while(r > 0) {
mx = max(mx, fen[r]);
r-=r&(-r);
}
return mx;
}
int main () {
int n, m;
cin >> n >> m;
for(int i = 0;i<N;i++)fen[i] = 0;
for(int i = 0;i<n;i++)cin >> arr[i];
vector<pair<pair<ll,ll>, ll>> que[n];
for(int i = 0;i<m;i++){
ll l, r, v;
cin >> l >> r >> v;
que[i].push_back(make_pair(make_pair(r, v), i));
}
ll ans[n];
vector<ll> stk;
for(int i = n-1;i>=0;i--) {
while(stk.size() and arr[stk.back()]>arr[i])stk.pop_back();
if(stk.size())upd(stk.back(), arr[stk.back()]+arr[i]);
stk.push_back(i);
for(auto q:que[i]) {
ans[q.ss] = (get(q.ff.ff) <= q.ff.ss);
}
}
for(int i = 0;i<m;i++) {
cout << ans[i] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
1876 KB |
Output is correct |
3 |
Runtime error |
3 ms |
3512 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
1876 KB |
Output is correct |
3 |
Runtime error |
3 ms |
3512 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
161 ms |
10716 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
138 ms |
11084 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
1876 KB |
Output is correct |
3 |
Runtime error |
3 ms |
3512 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
1876 KB |
Output is correct |
3 |
Runtime error |
3 ms |
3512 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |