#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int long long
template <class F, class _S>
bool chmin(F &u, const _S &v){
bool flag = false;
if ( u > v ){
u = v; flag |= true;
}
return flag;
}
template <class F, class _S>
bool chmax(F &u, const _S &v){
bool flag = false;
if ( u < v ){
u = v; flag |= true;
}
return flag;
}
const int N = 1e6+50, inf = 1e18+200;
//int mod = 998244353;
//int mod = 1000000007;
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//#define rnd(l, r) uniform_int_distribution <int> (l, r)(rng)
struct segtree{
vector<int> t;
segtree(){
t.resize(N*4);
};
void upd(int ps, int vl, int i = 1, int l = 1, int r = N){
if(l == r){
t[i] = vl;
return;
}
int m = (l+r)>>1;
if(ps <= m)upd(ps, vl, i*2, l, m);
else upd(ps, vl, i*2+1, m+1, r);
t[i] = max(t[i*2], t[i*2+1]);
};
int get(int tl, int tr, int i = 1, int l = 1, int r = N){
if(l > tr || r < tl)return 0;
if(tl <= l && r <= tr)return t[i];
int m = (l+r)>>1;
return max( get(tl, tr, i*2, l, m), get(tl, tr, i*2+1, m+1, r));
};
}t;
void solve(){
int n, m;
cin >> n >> m;
vector<int> a(n+1, 0);
for(int i = 1; i <= n; i++)cin >> a[i];
vector<array<int,3>> q(m);
for(auto &[l, r, k]:q)cin >> l >> r >> k;
vector<vector<int>> g(n+1);
for(int i = 0; i < m; i++){
auto [l,r,k] = q[i];
g[r].pb(i);
}
vector<int> ans(m);
stack<int> st;
for(int i = 1; i <= n; i++){
while(st.size() && a[st.top()] <= a[i])st.pop();
if(st.size()){
t.upd(st.top(), a[st.top()]+a[i]);
}
for(auto id:g[i]){
auto [l, r, k] = q[id];
//cout << t.get(l, r) << '\n';
ans[id] = t.get(l, r) <= k;
}
st.push(i);
}
for(auto i:ans)cout << i << '\n';
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int tt = 1;
//cin >> tt;
while(tt--){
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31576 KB |
Output is correct |
2 |
Correct |
13 ms |
31752 KB |
Output is correct |
3 |
Correct |
14 ms |
31576 KB |
Output is correct |
4 |
Correct |
12 ms |
31744 KB |
Output is correct |
5 |
Correct |
13 ms |
31576 KB |
Output is correct |
6 |
Correct |
14 ms |
31804 KB |
Output is correct |
7 |
Correct |
15 ms |
31832 KB |
Output is correct |
8 |
Correct |
12 ms |
31580 KB |
Output is correct |
9 |
Correct |
13 ms |
31580 KB |
Output is correct |
10 |
Correct |
13 ms |
31580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31576 KB |
Output is correct |
2 |
Correct |
13 ms |
31752 KB |
Output is correct |
3 |
Correct |
14 ms |
31576 KB |
Output is correct |
4 |
Correct |
12 ms |
31744 KB |
Output is correct |
5 |
Correct |
13 ms |
31576 KB |
Output is correct |
6 |
Correct |
14 ms |
31804 KB |
Output is correct |
7 |
Correct |
15 ms |
31832 KB |
Output is correct |
8 |
Correct |
12 ms |
31580 KB |
Output is correct |
9 |
Correct |
13 ms |
31580 KB |
Output is correct |
10 |
Correct |
13 ms |
31580 KB |
Output is correct |
11 |
Correct |
15 ms |
31832 KB |
Output is correct |
12 |
Correct |
17 ms |
32032 KB |
Output is correct |
13 |
Correct |
15 ms |
32092 KB |
Output is correct |
14 |
Correct |
19 ms |
32348 KB |
Output is correct |
15 |
Correct |
16 ms |
32308 KB |
Output is correct |
16 |
Correct |
17 ms |
32048 KB |
Output is correct |
17 |
Correct |
16 ms |
32092 KB |
Output is correct |
18 |
Correct |
16 ms |
32048 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1012 ms |
148004 KB |
Output is correct |
2 |
Correct |
1028 ms |
149076 KB |
Output is correct |
3 |
Correct |
976 ms |
148820 KB |
Output is correct |
4 |
Correct |
975 ms |
148944 KB |
Output is correct |
5 |
Correct |
917 ms |
149080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
42064 KB |
Output is correct |
2 |
Correct |
68 ms |
41368 KB |
Output is correct |
3 |
Correct |
86 ms |
41764 KB |
Output is correct |
4 |
Correct |
69 ms |
41808 KB |
Output is correct |
5 |
Correct |
72 ms |
42012 KB |
Output is correct |
6 |
Correct |
57 ms |
41040 KB |
Output is correct |
7 |
Correct |
59 ms |
41016 KB |
Output is correct |
8 |
Correct |
67 ms |
41408 KB |
Output is correct |
9 |
Correct |
41 ms |
37428 KB |
Output is correct |
10 |
Correct |
60 ms |
41572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31576 KB |
Output is correct |
2 |
Correct |
13 ms |
31752 KB |
Output is correct |
3 |
Correct |
14 ms |
31576 KB |
Output is correct |
4 |
Correct |
12 ms |
31744 KB |
Output is correct |
5 |
Correct |
13 ms |
31576 KB |
Output is correct |
6 |
Correct |
14 ms |
31804 KB |
Output is correct |
7 |
Correct |
15 ms |
31832 KB |
Output is correct |
8 |
Correct |
12 ms |
31580 KB |
Output is correct |
9 |
Correct |
13 ms |
31580 KB |
Output is correct |
10 |
Correct |
13 ms |
31580 KB |
Output is correct |
11 |
Correct |
15 ms |
31832 KB |
Output is correct |
12 |
Correct |
17 ms |
32032 KB |
Output is correct |
13 |
Correct |
15 ms |
32092 KB |
Output is correct |
14 |
Correct |
19 ms |
32348 KB |
Output is correct |
15 |
Correct |
16 ms |
32308 KB |
Output is correct |
16 |
Correct |
17 ms |
32048 KB |
Output is correct |
17 |
Correct |
16 ms |
32092 KB |
Output is correct |
18 |
Correct |
16 ms |
32048 KB |
Output is correct |
19 |
Correct |
156 ms |
54828 KB |
Output is correct |
20 |
Correct |
152 ms |
54868 KB |
Output is correct |
21 |
Correct |
131 ms |
53588 KB |
Output is correct |
22 |
Correct |
132 ms |
53584 KB |
Output is correct |
23 |
Correct |
134 ms |
53584 KB |
Output is correct |
24 |
Correct |
114 ms |
53328 KB |
Output is correct |
25 |
Correct |
115 ms |
53416 KB |
Output is correct |
26 |
Correct |
134 ms |
54100 KB |
Output is correct |
27 |
Correct |
132 ms |
54068 KB |
Output is correct |
28 |
Correct |
137 ms |
54232 KB |
Output is correct |
29 |
Correct |
140 ms |
54868 KB |
Output is correct |
30 |
Correct |
139 ms |
54864 KB |
Output is correct |
31 |
Correct |
141 ms |
54868 KB |
Output is correct |
32 |
Correct |
139 ms |
54864 KB |
Output is correct |
33 |
Correct |
144 ms |
54772 KB |
Output is correct |
34 |
Correct |
115 ms |
53012 KB |
Output is correct |
35 |
Correct |
110 ms |
53072 KB |
Output is correct |
36 |
Correct |
115 ms |
52724 KB |
Output is correct |
37 |
Correct |
109 ms |
52820 KB |
Output is correct |
38 |
Correct |
112 ms |
53080 KB |
Output is correct |
39 |
Correct |
128 ms |
53196 KB |
Output is correct |
40 |
Correct |
104 ms |
49864 KB |
Output is correct |
41 |
Correct |
118 ms |
52708 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31576 KB |
Output is correct |
2 |
Correct |
13 ms |
31752 KB |
Output is correct |
3 |
Correct |
14 ms |
31576 KB |
Output is correct |
4 |
Correct |
12 ms |
31744 KB |
Output is correct |
5 |
Correct |
13 ms |
31576 KB |
Output is correct |
6 |
Correct |
14 ms |
31804 KB |
Output is correct |
7 |
Correct |
15 ms |
31832 KB |
Output is correct |
8 |
Correct |
12 ms |
31580 KB |
Output is correct |
9 |
Correct |
13 ms |
31580 KB |
Output is correct |
10 |
Correct |
13 ms |
31580 KB |
Output is correct |
11 |
Correct |
15 ms |
31832 KB |
Output is correct |
12 |
Correct |
17 ms |
32032 KB |
Output is correct |
13 |
Correct |
15 ms |
32092 KB |
Output is correct |
14 |
Correct |
19 ms |
32348 KB |
Output is correct |
15 |
Correct |
16 ms |
32308 KB |
Output is correct |
16 |
Correct |
17 ms |
32048 KB |
Output is correct |
17 |
Correct |
16 ms |
32092 KB |
Output is correct |
18 |
Correct |
16 ms |
32048 KB |
Output is correct |
19 |
Correct |
1012 ms |
148004 KB |
Output is correct |
20 |
Correct |
1028 ms |
149076 KB |
Output is correct |
21 |
Correct |
976 ms |
148820 KB |
Output is correct |
22 |
Correct |
975 ms |
148944 KB |
Output is correct |
23 |
Correct |
917 ms |
149080 KB |
Output is correct |
24 |
Correct |
73 ms |
42064 KB |
Output is correct |
25 |
Correct |
68 ms |
41368 KB |
Output is correct |
26 |
Correct |
86 ms |
41764 KB |
Output is correct |
27 |
Correct |
69 ms |
41808 KB |
Output is correct |
28 |
Correct |
72 ms |
42012 KB |
Output is correct |
29 |
Correct |
57 ms |
41040 KB |
Output is correct |
30 |
Correct |
59 ms |
41016 KB |
Output is correct |
31 |
Correct |
67 ms |
41408 KB |
Output is correct |
32 |
Correct |
41 ms |
37428 KB |
Output is correct |
33 |
Correct |
60 ms |
41572 KB |
Output is correct |
34 |
Correct |
156 ms |
54828 KB |
Output is correct |
35 |
Correct |
152 ms |
54868 KB |
Output is correct |
36 |
Correct |
131 ms |
53588 KB |
Output is correct |
37 |
Correct |
132 ms |
53584 KB |
Output is correct |
38 |
Correct |
134 ms |
53584 KB |
Output is correct |
39 |
Correct |
114 ms |
53328 KB |
Output is correct |
40 |
Correct |
115 ms |
53416 KB |
Output is correct |
41 |
Correct |
134 ms |
54100 KB |
Output is correct |
42 |
Correct |
132 ms |
54068 KB |
Output is correct |
43 |
Correct |
137 ms |
54232 KB |
Output is correct |
44 |
Correct |
140 ms |
54868 KB |
Output is correct |
45 |
Correct |
139 ms |
54864 KB |
Output is correct |
46 |
Correct |
141 ms |
54868 KB |
Output is correct |
47 |
Correct |
139 ms |
54864 KB |
Output is correct |
48 |
Correct |
144 ms |
54772 KB |
Output is correct |
49 |
Correct |
115 ms |
53012 KB |
Output is correct |
50 |
Correct |
110 ms |
53072 KB |
Output is correct |
51 |
Correct |
115 ms |
52724 KB |
Output is correct |
52 |
Correct |
109 ms |
52820 KB |
Output is correct |
53 |
Correct |
112 ms |
53080 KB |
Output is correct |
54 |
Correct |
128 ms |
53196 KB |
Output is correct |
55 |
Correct |
104 ms |
49864 KB |
Output is correct |
56 |
Correct |
118 ms |
52708 KB |
Output is correct |
57 |
Correct |
980 ms |
148564 KB |
Output is correct |
58 |
Correct |
986 ms |
148564 KB |
Output is correct |
59 |
Correct |
852 ms |
145880 KB |
Output is correct |
60 |
Correct |
884 ms |
145872 KB |
Output is correct |
61 |
Correct |
875 ms |
145756 KB |
Output is correct |
62 |
Correct |
864 ms |
145632 KB |
Output is correct |
63 |
Correct |
616 ms |
140368 KB |
Output is correct |
64 |
Correct |
589 ms |
140308 KB |
Output is correct |
65 |
Correct |
778 ms |
145492 KB |
Output is correct |
66 |
Correct |
762 ms |
145344 KB |
Output is correct |
67 |
Correct |
793 ms |
145616 KB |
Output is correct |
68 |
Correct |
887 ms |
148504 KB |
Output is correct |
69 |
Correct |
905 ms |
148312 KB |
Output is correct |
70 |
Correct |
878 ms |
148064 KB |
Output is correct |
71 |
Correct |
891 ms |
148048 KB |
Output is correct |
72 |
Correct |
882 ms |
147900 KB |
Output is correct |
73 |
Correct |
563 ms |
137296 KB |
Output is correct |
74 |
Correct |
612 ms |
137880 KB |
Output is correct |
75 |
Correct |
563 ms |
137296 KB |
Output is correct |
76 |
Correct |
581 ms |
137300 KB |
Output is correct |
77 |
Correct |
555 ms |
136976 KB |
Output is correct |
78 |
Correct |
766 ms |
140544 KB |
Output is correct |
79 |
Correct |
577 ms |
118676 KB |
Output is correct |
80 |
Correct |
757 ms |
137944 KB |
Output is correct |