#include <bits/stdc++.h>
#define endl "\n"
using namespace std;
struct qqq
{
int l,k,num;
qqq(){}
qqq(int li, int ki, int ni)
{
l = li;
k = ki;
num = ni;
}
};
const int maxn = 1e6+5;
int n,m,w[maxn];
pair<int,int> inv[maxn];
vector<qqq> q[maxn];
int ans[maxn],tree[4*maxn];
int ql,qr,val;
void make_bigidx()
{
w[0] = 1e9+1;
stack<int>s1;
s1.push(0);
for(int i = 1; i <= n; i++)
{
while(!s1.empty()&&w[s1.top()]<w[i]) s1.pop();
inv[i].first = w[i] + w[s1.top()];
inv[i].second = s1.top();
s1.push(i);
}
}
void read()
{
cin >> n >> m;
for(int i = 1; i <= n; i++) cin >> w[i];
make_bigidx();
int l,r,k;
for(int i = 1; i <= m; i++)
{
cin >> l >> r >> k;
q[r].push_back({l,k,i});
}
}
void update(int v, int l, int r)
{
if(r<ql||qr<l||l>r) return;
if(ql<=l&&r<=qr)
{
tree[v] = max(tree[v],val);
return;
}
int mid = (l+r)/2;
update(v*2+0,l,mid+0);
update(v*2+1,mid+1,r);
tree[v] = max(tree[v*2+0],tree[v*2+1]);
}
int query(int v, int l, int r)
{
if(r<ql||qr<l||l>r) return 0;
if(ql<=l&&r<=qr)return tree[v];
int mid = (l+r)/2;
return max(query(v*2+0,l,mid+0),query(v*2+1,mid+1,r));
}
void solve()
{
for(int i = 1; i <= n; i++)
{
if(inv[i].second != 0)
{
ql = qr = inv[i].second;
val = inv[i].first;
update(1,1,n);
}
for(qqq nb : q[i])
{
ql = nb.l;
qr = i;
ans[nb.num] = (nb.k >= query(1,1,n));
}
}
for(int i = 1; i <= m; i++) cout << ans[i] << endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
read();
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
29020 KB |
Output is correct |
2 |
Correct |
5 ms |
29192 KB |
Output is correct |
3 |
Correct |
5 ms |
29020 KB |
Output is correct |
4 |
Correct |
5 ms |
29020 KB |
Output is correct |
5 |
Correct |
4 ms |
29140 KB |
Output is correct |
6 |
Correct |
5 ms |
29020 KB |
Output is correct |
7 |
Correct |
5 ms |
29020 KB |
Output is correct |
8 |
Correct |
5 ms |
29020 KB |
Output is correct |
9 |
Correct |
4 ms |
29020 KB |
Output is correct |
10 |
Incorrect |
4 ms |
29132 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
29020 KB |
Output is correct |
2 |
Correct |
5 ms |
29192 KB |
Output is correct |
3 |
Correct |
5 ms |
29020 KB |
Output is correct |
4 |
Correct |
5 ms |
29020 KB |
Output is correct |
5 |
Correct |
4 ms |
29140 KB |
Output is correct |
6 |
Correct |
5 ms |
29020 KB |
Output is correct |
7 |
Correct |
5 ms |
29020 KB |
Output is correct |
8 |
Correct |
5 ms |
29020 KB |
Output is correct |
9 |
Correct |
4 ms |
29020 KB |
Output is correct |
10 |
Incorrect |
4 ms |
29132 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
936 ms |
104340 KB |
Output is correct |
2 |
Correct |
920 ms |
105296 KB |
Output is correct |
3 |
Correct |
901 ms |
105192 KB |
Output is correct |
4 |
Correct |
938 ms |
105300 KB |
Output is correct |
5 |
Incorrect |
761 ms |
105040 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
69 ms |
36436 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
29020 KB |
Output is correct |
2 |
Correct |
5 ms |
29192 KB |
Output is correct |
3 |
Correct |
5 ms |
29020 KB |
Output is correct |
4 |
Correct |
5 ms |
29020 KB |
Output is correct |
5 |
Correct |
4 ms |
29140 KB |
Output is correct |
6 |
Correct |
5 ms |
29020 KB |
Output is correct |
7 |
Correct |
5 ms |
29020 KB |
Output is correct |
8 |
Correct |
5 ms |
29020 KB |
Output is correct |
9 |
Correct |
4 ms |
29020 KB |
Output is correct |
10 |
Incorrect |
4 ms |
29132 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
29020 KB |
Output is correct |
2 |
Correct |
5 ms |
29192 KB |
Output is correct |
3 |
Correct |
5 ms |
29020 KB |
Output is correct |
4 |
Correct |
5 ms |
29020 KB |
Output is correct |
5 |
Correct |
4 ms |
29140 KB |
Output is correct |
6 |
Correct |
5 ms |
29020 KB |
Output is correct |
7 |
Correct |
5 ms |
29020 KB |
Output is correct |
8 |
Correct |
5 ms |
29020 KB |
Output is correct |
9 |
Correct |
4 ms |
29020 KB |
Output is correct |
10 |
Incorrect |
4 ms |
29132 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |