#include <bits/stdc++.h>
#define here cerr<<"------------------------------------\n"
#define ll long long
#define pll pair<ll,ll>
#define all(a) a.begin(),a.end()
#define fi first
#define sc second
#define pb push_back
#define popb pop_back
#define sz(x) (ll)(x.size())
#define llinf 100000000000000LL
#define endl '\n'
#define ceri(a,l,r) {for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
using namespace std;
#define maxn 1000005
ll n,q;
ll a[maxn];
ll b[maxn];
ll t[4*maxn];
ll ans[maxn];
struct upit{
ll l,r,x,id;
};
bool cmp(upit a,upit b){return a.r<b.r;}
void upd(ll v,ll tl,ll tr,ll i,ll x){
if(tl==tr){
t[v] = max(t[v],x);
return;
}
ll mid = (tl+tr)/2;
if(i<=mid) upd(2*v,tl,mid,i,x);
else upd(2*v+1,mid+1,tr,i,x);
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 mid = (tl+tr)/2;
return max(get(2*v,tl,mid,l,min(mid,r)),get(2*v+1,mid+1,tr,max(mid+1,l),r));
}
vector<upit> v;
int main(){
ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);
cin >> n >> q;
for(ll i = 1;i<=n;i++) cin >> a[i];
stack<ll> st;
for(ll i = 1;i<=n;i++){
while(sz(st)&&a[i]>=a[st.top()]) st.pop();
if(sz(st)) b[i] = st.top();
st.push(i);
}
for(ll i = 1;i<=q;i++){
ll l,r,x;
cin >> l >> r >> x;
v.pb({l,r,x,i});
}
sort(all(v),cmp);
ll j = 1;
for(upit p : v){
ll l = p.l;
ll r = p.r;
ll x = p.x;
ll id = p.id;
while(j<=r){
if(b[j]!=0) upd(1,1,n,b[j],a[j] + a[b[j]]);
j++;
}
ans[id] = get(1,1,n,l,r)<=x;
}
for(ll i = 1;i<=q;i++) cout<<ans[i]<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
724 KB |
Output is correct |
12 |
Correct |
4 ms |
880 KB |
Output is correct |
13 |
Correct |
4 ms |
852 KB |
Output is correct |
14 |
Correct |
5 ms |
1032 KB |
Output is correct |
15 |
Correct |
5 ms |
984 KB |
Output is correct |
16 |
Correct |
4 ms |
856 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1188 ms |
73660 KB |
Output is correct |
2 |
Correct |
1179 ms |
73660 KB |
Output is correct |
3 |
Correct |
1228 ms |
73644 KB |
Output is correct |
4 |
Correct |
1198 ms |
73596 KB |
Output is correct |
5 |
Correct |
948 ms |
49396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
89 ms |
8120 KB |
Output is correct |
2 |
Correct |
89 ms |
10168 KB |
Output is correct |
3 |
Correct |
81 ms |
7344 KB |
Output is correct |
4 |
Correct |
82 ms |
7348 KB |
Output is correct |
5 |
Correct |
77 ms |
7308 KB |
Output is correct |
6 |
Correct |
76 ms |
7336 KB |
Output is correct |
7 |
Correct |
73 ms |
7280 KB |
Output is correct |
8 |
Correct |
75 ms |
7612 KB |
Output is correct |
9 |
Correct |
44 ms |
5936 KB |
Output is correct |
10 |
Correct |
71 ms |
7464 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
724 KB |
Output is correct |
12 |
Correct |
4 ms |
880 KB |
Output is correct |
13 |
Correct |
4 ms |
852 KB |
Output is correct |
14 |
Correct |
5 ms |
1032 KB |
Output is correct |
15 |
Correct |
5 ms |
984 KB |
Output is correct |
16 |
Correct |
4 ms |
856 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
19 |
Correct |
228 ms |
22544 KB |
Output is correct |
20 |
Correct |
216 ms |
22580 KB |
Output is correct |
21 |
Correct |
199 ms |
22300 KB |
Output is correct |
22 |
Correct |
200 ms |
22268 KB |
Output is correct |
23 |
Correct |
208 ms |
22364 KB |
Output is correct |
24 |
Correct |
172 ms |
16556 KB |
Output is correct |
25 |
Correct |
168 ms |
16592 KB |
Output is correct |
26 |
Correct |
203 ms |
16764 KB |
Output is correct |
27 |
Correct |
181 ms |
16732 KB |
Output is correct |
28 |
Correct |
177 ms |
16684 KB |
Output is correct |
29 |
Correct |
180 ms |
16808 KB |
Output is correct |
30 |
Correct |
181 ms |
16888 KB |
Output is correct |
31 |
Correct |
178 ms |
16772 KB |
Output is correct |
32 |
Correct |
182 ms |
16864 KB |
Output is correct |
33 |
Correct |
181 ms |
16936 KB |
Output is correct |
34 |
Correct |
161 ms |
16428 KB |
Output is correct |
35 |
Correct |
168 ms |
16584 KB |
Output is correct |
36 |
Correct |
176 ms |
16440 KB |
Output is correct |
37 |
Correct |
160 ms |
16288 KB |
Output is correct |
38 |
Correct |
168 ms |
16532 KB |
Output is correct |
39 |
Correct |
172 ms |
17272 KB |
Output is correct |
40 |
Correct |
133 ms |
14512 KB |
Output is correct |
41 |
Correct |
164 ms |
16000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
724 KB |
Output is correct |
12 |
Correct |
4 ms |
880 KB |
Output is correct |
13 |
Correct |
4 ms |
852 KB |
Output is correct |
14 |
Correct |
5 ms |
1032 KB |
Output is correct |
15 |
Correct |
5 ms |
984 KB |
Output is correct |
16 |
Correct |
4 ms |
856 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
19 |
Correct |
1188 ms |
73660 KB |
Output is correct |
20 |
Correct |
1179 ms |
73660 KB |
Output is correct |
21 |
Correct |
1228 ms |
73644 KB |
Output is correct |
22 |
Correct |
1198 ms |
73596 KB |
Output is correct |
23 |
Correct |
948 ms |
49396 KB |
Output is correct |
24 |
Correct |
89 ms |
8120 KB |
Output is correct |
25 |
Correct |
89 ms |
10168 KB |
Output is correct |
26 |
Correct |
81 ms |
7344 KB |
Output is correct |
27 |
Correct |
82 ms |
7348 KB |
Output is correct |
28 |
Correct |
77 ms |
7308 KB |
Output is correct |
29 |
Correct |
76 ms |
7336 KB |
Output is correct |
30 |
Correct |
73 ms |
7280 KB |
Output is correct |
31 |
Correct |
75 ms |
7612 KB |
Output is correct |
32 |
Correct |
44 ms |
5936 KB |
Output is correct |
33 |
Correct |
71 ms |
7464 KB |
Output is correct |
34 |
Correct |
228 ms |
22544 KB |
Output is correct |
35 |
Correct |
216 ms |
22580 KB |
Output is correct |
36 |
Correct |
199 ms |
22300 KB |
Output is correct |
37 |
Correct |
200 ms |
22268 KB |
Output is correct |
38 |
Correct |
208 ms |
22364 KB |
Output is correct |
39 |
Correct |
172 ms |
16556 KB |
Output is correct |
40 |
Correct |
168 ms |
16592 KB |
Output is correct |
41 |
Correct |
203 ms |
16764 KB |
Output is correct |
42 |
Correct |
181 ms |
16732 KB |
Output is correct |
43 |
Correct |
177 ms |
16684 KB |
Output is correct |
44 |
Correct |
180 ms |
16808 KB |
Output is correct |
45 |
Correct |
181 ms |
16888 KB |
Output is correct |
46 |
Correct |
178 ms |
16772 KB |
Output is correct |
47 |
Correct |
182 ms |
16864 KB |
Output is correct |
48 |
Correct |
181 ms |
16936 KB |
Output is correct |
49 |
Correct |
161 ms |
16428 KB |
Output is correct |
50 |
Correct |
168 ms |
16584 KB |
Output is correct |
51 |
Correct |
176 ms |
16440 KB |
Output is correct |
52 |
Correct |
160 ms |
16288 KB |
Output is correct |
53 |
Correct |
168 ms |
16532 KB |
Output is correct |
54 |
Correct |
172 ms |
17272 KB |
Output is correct |
55 |
Correct |
133 ms |
14512 KB |
Output is correct |
56 |
Correct |
164 ms |
16000 KB |
Output is correct |
57 |
Correct |
1240 ms |
107280 KB |
Output is correct |
58 |
Correct |
1205 ms |
107208 KB |
Output is correct |
59 |
Correct |
1197 ms |
107260 KB |
Output is correct |
60 |
Correct |
1230 ms |
107188 KB |
Output is correct |
61 |
Correct |
1190 ms |
107104 KB |
Output is correct |
62 |
Correct |
1207 ms |
107036 KB |
Output is correct |
63 |
Correct |
907 ms |
80944 KB |
Output is correct |
64 |
Correct |
937 ms |
81096 KB |
Output is correct |
65 |
Correct |
983 ms |
82884 KB |
Output is correct |
66 |
Correct |
1022 ms |
82876 KB |
Output is correct |
67 |
Correct |
986 ms |
82824 KB |
Output is correct |
68 |
Correct |
982 ms |
83052 KB |
Output is correct |
69 |
Correct |
978 ms |
82952 KB |
Output is correct |
70 |
Correct |
997 ms |
83060 KB |
Output is correct |
71 |
Correct |
1004 ms |
83056 KB |
Output is correct |
72 |
Correct |
1002 ms |
82920 KB |
Output is correct |
73 |
Correct |
898 ms |
79492 KB |
Output is correct |
74 |
Correct |
962 ms |
80476 KB |
Output is correct |
75 |
Correct |
908 ms |
79724 KB |
Output is correct |
76 |
Correct |
894 ms |
79532 KB |
Output is correct |
77 |
Correct |
911 ms |
79480 KB |
Output is correct |
78 |
Correct |
905 ms |
84956 KB |
Output is correct |
79 |
Correct |
701 ms |
69284 KB |
Output is correct |
80 |
Correct |
915 ms |
79748 KB |
Output is correct |