#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
const int MXN = 1e5 + 10;
int n;
vector<pii> tree;
vi arr;
int lg[MXN+1];
int table[20][MXN];
void init(int _n, vi _arr){
n = _n;
tree.resize(4*n);
arr = _arr;
lg[1] = 0;
for(int i = 2; i <= MXN; i++) lg[i] = lg[i/2] + 1;
copy(arr.begin(), arr.end(), table[0]);
for(int i = 1; i <= lg[n]; i++){
for(int j = 0; j + (1 << i) <= n; j++){
table[i][j] = max(table[i-1][j], table[i-1][j + (1 << (i-1))]);
}
}
}
int query_table(int l, int r){
int i = lg[r-l+1];
return max(table[i][l], table[i][r - (1 << i) +1]);
}
void build(int node, int l, int r){
if(l == r) tree[node] = mp(arr[l], l);
else{
int mid = (l + r) / 2;
build(node*2, l, mid);
build(node*2+1, mid+1, r);
tree[node] = max(tree[node*2], tree[node*2+1]);
}
}
pii query(int node, int l, int r, int L, int R){
if(r < L || l > R) return mp(0,0);
if(L <= l && r <= R){
if(query_table(L, tree[node].second-1) < tree[node].first)
return mp(0,0);
return mp(tree[node].first + query_table(L, tree[node].second-1), tree[node].second);
}
int mid = (l + r) / 2;
pii left = query(node*2, l, mid, L, R);
pii right = query(node*2+1, mid+1, r, L, R);
return max(left, right);
}
int main(){
int n, m;
cin>>n>>m;
arr.resize(n);
for(int i = 0; i < n; i++) cin>>arr[i];
init(n, arr);
build(1, 0, n-1);
while(m--){
int l, r, k;
cin>>l>>r>>k;
l--; r--;
pii here = query(1, 0, n-1, l, r);
if(here.first > k) cout<<0<<"\n";
else cout<<1<<"\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Incorrect |
2 ms |
724 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Incorrect |
2 ms |
724 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
328 ms |
88564 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
304 ms |
10816 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Incorrect |
2 ms |
724 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Incorrect |
2 ms |
724 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |