#include<bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
const int N = 5e6 + 8 , inf = 1e9+7 ;
int n , m , q , w[N] ;
int mx[N] , mxs[N];
void build(int v , int l , int r ){
if(l == r ){
mxs[v] =0;
mx[v] = w[l];
return;
}
int mid = ( l + r )>>1 ;
build(v * 2 , l , mid );
build(v * 2 + 1, mid + 1, r );
int a = mx[v*v] , b = mx[v*v+1];
mxs[v] = max(mxs[v*2] , mxs[v*2+1]);
if( a > b ){
mxs[v] = max(mxs[v] , a + b );
}
mx[v] = max(a , b );
}
pair<int , int > get(int v , int tl , int tr ,int l , int r ){
if( tl <= l && r <= tr ){
return {mxs[v] , mx[v]};
}
if( l > tr || r < tl ){
return {-1 , -1 };
}
int mid = ( l + r )/2;
pair<int ,int >a = get(v*2 , tl , tr , l , mid ) , b = get(v*2+1 , tl , tr , mid+1 , r );
if(a.second> -1 && b.second> -1 ){
int c = a.first, d = b.first;
int s = 0 ;
if( a.second > b.second ){
s = a.second + b.second ;
}
return {max(c , d ) ,max({s , a.second , b.second }) };
}
else if(a.second > -1 ){
return a ;
}
else if(b.second > -1 ){
return b ;
}
}
signed main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin>> n >> q;
for(int i = 1; i <= n; i++){
cin>> w[i];
}
build(1 , 1 , n );
while(q--){
int l , r , k ;
cin>> l >> r >> k ;
pair<int , int >h = get(1 , l , r , 1 , n );
if(max(h.first , h.second)<=k ){
cout <<1 << nn
}
else cout << 0 << nn
}
}
Compilation message
sortbooks.cpp: In function 'std::pair<long long int, long long int> get(long long int, long long int, long long int, long long int, long long int)':
sortbooks.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type]
47 | }
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
72 ms |
25424 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
10 ms |
12888 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |