#include <bits/stdc++.h>
using namespace std;
#define sz(s) (int)s.size()
#define ff first
#define ss second
#define ll long long
const int N = 1e6 + 5;
ll n, m, a[N], b[N*4], mmx;
vector <vector <ll>> st;
void bld(int nd, int l, int r){
if(l == r){
st[nd].push_back(a[l]);
return;
}
int md = (l + r) / 2;
bld(nd*2,l,md);
bld(nd*2+1,md+1,r);
st[nd].resize(sz(st[nd*2]) + sz(st[nd*2+1]));
merge(st[nd*2].begin(), st[nd*2].end(), st[nd*2+1].begin(), st[nd*2+1].end(), st[nd].begin());
ll mx = 0;
for(int i = l; i <= r; i++){
if(mx > a[i]) b[nd] = max(b[nd],mx+a[i]);
mx = max(mx,a[i]);
}
return;
}
ll fnd(int nd, int l, int r, int x, int y){
if(r < x or l > y) return 0;
if(l >= x and r <= y){
int t = lower_bound(st[nd].begin(), st[nd].end(), mmx) - st[nd].begin();
ll k = 0;
if(t != 0) k = (mmx + st[nd][t-1]);
k = max(k,b[nd]);
mmx = max(mmx,st[nd].back());
return k;
}
int md = (l + r) / 2;
return max(fnd(nd*2,l,md,x,y), fnd(nd*2+1,md+1,r,x,y));
}
int main(){
ios::sync_with_stdio (false); cin.tie(nullptr);
cin >> n >> m;
for(int i = 1; i <= n; i++){
cin >> a[i];
}
st.resize(n*4);
bld(1,1,n);
for(int i = 1; i <= m; i++){
ll l, r, k;
cin >> l >> r >> k;
mmx = 0;
cout << (fnd(1,1,n,l,r) > k ? 0 : 1) << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
289 ms |
262144 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
137 ms |
31312 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |