#include <bits/stdc++.h>
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define ll long long
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define sqr(x) (x)*(x)
#define PB push_back
using namespace std;
typedef long double ld;
const ll MOD = 1e9 + 7;
const ll N = 1e6 + 200;
mt19937_64 rnd(chrono::system_clock::now().time_since_epoch().count());
vector<pair<ll, ll> > v;
vector<ll> of[N],q[N];
pair<ll, ll> b[N];
ll ans[N],t[4 * N],a[N],l,r,x,k,limit,n,Q;
void upd(ll v,ll tl,ll tr,ll pos,ll val)
{
if(tl == tr)
{
t[v] = val;
return;
}
ll tm = (tl + tr) / 2;
if(pos <= tm) upd(2 * v, tl, tm, pos, val);
else upd(2 * v + 1, tm + 1, tr, pos, val);
t[v] = max(t[2 * v], t[2 * v + 1]);
}
ll get(ll v,ll tl,ll tr,ll l,ll r)
{
if(l > r) return 0;
if(tl == l && tr == r) return t[v];
ll tm = (tl + tr) / 2;
return max(get(2 * v, tl, tm, l, min(r, tm)), get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
}
int main()
{
ios_base::sync_with_stdio();cin.tie(0);cout.tie(0);
cin>>n>>Q;
for(int i = 1; i <= n; i++)
{
cin>>x;
while(!v.empty() && v.back().fi >= x)
{
of[v.back().se].PB(i);
v.pop_back();
}
v.PB({x, i});
a[i] = x;
}
for(int i = 1; i <= Q; i++)
{
cin>>l>>r>>k;
b[i] = {r, k};
q[l].PB(i);
}
limit = n;
for(int l = n; l >= 1; l--) if(!q[l].empty())
for(auto i : q[l])
{
r = b[i].fi;
while(limit >= l)
{
for(auto j : of[limit]) upd(1, 1, n, j, a[j] + a[limit]);
limit--;
}
x = get(1, 1, n, l, r);
// cout<<l<<" "<<r<<" = "<<x<<endl;
ans[i] = (x <= b[i].se);
}
for(int i = 1; i <= Q; i++) cout<<ans[i]<<endl;
return 0;
}
/*
8 1
5 4 3 1 6 7 8 2
2 5 10
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
47352 KB |
Output is correct |
2 |
Correct |
45 ms |
47376 KB |
Output is correct |
3 |
Incorrect |
47 ms |
47352 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
47352 KB |
Output is correct |
2 |
Correct |
45 ms |
47376 KB |
Output is correct |
3 |
Incorrect |
47 ms |
47352 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3044 ms |
169912 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
581 ms |
60084 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
47352 KB |
Output is correct |
2 |
Correct |
45 ms |
47376 KB |
Output is correct |
3 |
Incorrect |
47 ms |
47352 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
47352 KB |
Output is correct |
2 |
Correct |
45 ms |
47376 KB |
Output is correct |
3 |
Incorrect |
47 ms |
47352 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |