#include <bits/stdc++.h>
// #pragma GCC optimize ("Ofast,unroll-loops")
#pragma GCC target ("avx2")
using namespace std;
typedef long long ll;
typedef pair<int, int> pp;
#define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
#define per(i,r,l) for(int i = (r); i >= (l); i--)
#define rep(i,l,r) for(int i = (l); i < (r); i++)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define ss second
#define ff first
void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 1e6 + 5, lg = 22, lng = 26, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}
int seg[maxn<<2], n;
int upd(int i, int k, int x = 1, int lx = 0, int rx = n){
if(lx + 1 == rx) return seg[x] = max(seg[x], k);
int mid = (lx + rx)>>1;
if(i < mid) upd(i, k, x<<1, lx, mid);
else upd(i, k, x<<1|1, mid, rx);
return seg[x] = max(seg[x<<1], seg[x<<1|1]);
}
int get(int l, int r, int x = 1, int lx = 0, int rx = n){
if(l <= lx && r >= rx) return seg[x];
if(l >= rx || r <= lx) return -1;
int mid = (lx + rx)>>1;
return max(get(l, r, x<<1, lx, mid), get(l, r, x<<1|1, mid, rx));
}
int main(){
cin.tie(0) -> sync_with_stdio(0);
int q; cin >> n >> q;
vector<int> w(n);
rep(i,0,n){
cin >> w[i];
}
struct tr{
int r, id, k;
};
vector<vector<tr>> query(n);
rep(i,0,q){
int l, r, k; cin >> l >> r >> k; l--;
query[l].pb({r, i, k});
}
fill(seg, seg+(n<<2), -1);
vector<int> st;
vector<bool> ans(q);
per(i,n-1,0){
while(sz(st) && w[st.back()] < w[i]){
upd(st.back(), w[st.back()] + w[i]);
st.pop_back();
}
st.pb(i);
for(auto[r, id, k]: query[i]){
ans[id] = get(i, r) <= k;
}
}
for(auto c: ans) cout << c << '\n';
return 0;
}
/*
5 2
3 5 1 8 2
1 3 6
2 5 3
*/
Compilation message
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:59:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
59 | for(auto[r, id, k]: query[i]){
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 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 |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 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 |
344 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 |
468 KB |
Output is correct |
12 |
Correct |
3 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
724 KB |
Output is correct |
14 |
Correct |
5 ms |
812 KB |
Output is correct |
15 |
Correct |
6 ms |
732 KB |
Output is correct |
16 |
Correct |
4 ms |
724 KB |
Output is correct |
17 |
Correct |
4 ms |
724 KB |
Output is correct |
18 |
Correct |
3 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1307 ms |
69712 KB |
Output is correct |
2 |
Correct |
1237 ms |
69708 KB |
Output is correct |
3 |
Correct |
1249 ms |
69500 KB |
Output is correct |
4 |
Correct |
1232 ms |
69556 KB |
Output is correct |
5 |
Correct |
1106 ms |
73764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
89 ms |
9036 KB |
Output is correct |
2 |
Correct |
80 ms |
8784 KB |
Output is correct |
3 |
Correct |
81 ms |
9516 KB |
Output is correct |
4 |
Correct |
79 ms |
9680 KB |
Output is correct |
5 |
Correct |
78 ms |
9588 KB |
Output is correct |
6 |
Correct |
64 ms |
8804 KB |
Output is correct |
7 |
Correct |
64 ms |
8780 KB |
Output is correct |
8 |
Correct |
69 ms |
8660 KB |
Output is correct |
9 |
Correct |
35 ms |
3364 KB |
Output is correct |
10 |
Correct |
72 ms |
8724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 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 |
344 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 |
468 KB |
Output is correct |
12 |
Correct |
3 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
724 KB |
Output is correct |
14 |
Correct |
5 ms |
812 KB |
Output is correct |
15 |
Correct |
6 ms |
732 KB |
Output is correct |
16 |
Correct |
4 ms |
724 KB |
Output is correct |
17 |
Correct |
4 ms |
724 KB |
Output is correct |
18 |
Correct |
3 ms |
724 KB |
Output is correct |
19 |
Correct |
206 ms |
16320 KB |
Output is correct |
20 |
Correct |
214 ms |
16280 KB |
Output is correct |
21 |
Correct |
179 ms |
15740 KB |
Output is correct |
22 |
Correct |
191 ms |
15728 KB |
Output is correct |
23 |
Correct |
187 ms |
15784 KB |
Output is correct |
24 |
Correct |
155 ms |
16596 KB |
Output is correct |
25 |
Correct |
154 ms |
16580 KB |
Output is correct |
26 |
Correct |
165 ms |
16544 KB |
Output is correct |
27 |
Correct |
171 ms |
16504 KB |
Output is correct |
28 |
Correct |
180 ms |
16332 KB |
Output is correct |
29 |
Correct |
186 ms |
16752 KB |
Output is correct |
30 |
Correct |
182 ms |
16816 KB |
Output is correct |
31 |
Correct |
182 ms |
16584 KB |
Output is correct |
32 |
Correct |
183 ms |
16432 KB |
Output is correct |
33 |
Correct |
186 ms |
16444 KB |
Output is correct |
34 |
Correct |
147 ms |
15428 KB |
Output is correct |
35 |
Correct |
144 ms |
15332 KB |
Output is correct |
36 |
Correct |
140 ms |
15172 KB |
Output is correct |
37 |
Correct |
136 ms |
15148 KB |
Output is correct |
38 |
Correct |
148 ms |
15200 KB |
Output is correct |
39 |
Correct |
165 ms |
15680 KB |
Output is correct |
40 |
Correct |
121 ms |
12016 KB |
Output is correct |
41 |
Correct |
161 ms |
15232 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 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 |
344 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 |
468 KB |
Output is correct |
12 |
Correct |
3 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
724 KB |
Output is correct |
14 |
Correct |
5 ms |
812 KB |
Output is correct |
15 |
Correct |
6 ms |
732 KB |
Output is correct |
16 |
Correct |
4 ms |
724 KB |
Output is correct |
17 |
Correct |
4 ms |
724 KB |
Output is correct |
18 |
Correct |
3 ms |
724 KB |
Output is correct |
19 |
Correct |
1307 ms |
69712 KB |
Output is correct |
20 |
Correct |
1237 ms |
69708 KB |
Output is correct |
21 |
Correct |
1249 ms |
69500 KB |
Output is correct |
22 |
Correct |
1232 ms |
69556 KB |
Output is correct |
23 |
Correct |
1106 ms |
73764 KB |
Output is correct |
24 |
Correct |
89 ms |
9036 KB |
Output is correct |
25 |
Correct |
80 ms |
8784 KB |
Output is correct |
26 |
Correct |
81 ms |
9516 KB |
Output is correct |
27 |
Correct |
79 ms |
9680 KB |
Output is correct |
28 |
Correct |
78 ms |
9588 KB |
Output is correct |
29 |
Correct |
64 ms |
8804 KB |
Output is correct |
30 |
Correct |
64 ms |
8780 KB |
Output is correct |
31 |
Correct |
69 ms |
8660 KB |
Output is correct |
32 |
Correct |
35 ms |
3364 KB |
Output is correct |
33 |
Correct |
72 ms |
8724 KB |
Output is correct |
34 |
Correct |
206 ms |
16320 KB |
Output is correct |
35 |
Correct |
214 ms |
16280 KB |
Output is correct |
36 |
Correct |
179 ms |
15740 KB |
Output is correct |
37 |
Correct |
191 ms |
15728 KB |
Output is correct |
38 |
Correct |
187 ms |
15784 KB |
Output is correct |
39 |
Correct |
155 ms |
16596 KB |
Output is correct |
40 |
Correct |
154 ms |
16580 KB |
Output is correct |
41 |
Correct |
165 ms |
16544 KB |
Output is correct |
42 |
Correct |
171 ms |
16504 KB |
Output is correct |
43 |
Correct |
180 ms |
16332 KB |
Output is correct |
44 |
Correct |
186 ms |
16752 KB |
Output is correct |
45 |
Correct |
182 ms |
16816 KB |
Output is correct |
46 |
Correct |
182 ms |
16584 KB |
Output is correct |
47 |
Correct |
183 ms |
16432 KB |
Output is correct |
48 |
Correct |
186 ms |
16444 KB |
Output is correct |
49 |
Correct |
147 ms |
15428 KB |
Output is correct |
50 |
Correct |
144 ms |
15332 KB |
Output is correct |
51 |
Correct |
140 ms |
15172 KB |
Output is correct |
52 |
Correct |
136 ms |
15148 KB |
Output is correct |
53 |
Correct |
148 ms |
15200 KB |
Output is correct |
54 |
Correct |
165 ms |
15680 KB |
Output is correct |
55 |
Correct |
121 ms |
12016 KB |
Output is correct |
56 |
Correct |
161 ms |
15232 KB |
Output is correct |
57 |
Correct |
1259 ms |
69076 KB |
Output is correct |
58 |
Correct |
1252 ms |
68880 KB |
Output is correct |
59 |
Correct |
1172 ms |
66892 KB |
Output is correct |
60 |
Correct |
1171 ms |
66696 KB |
Output is correct |
61 |
Correct |
1170 ms |
66716 KB |
Output is correct |
62 |
Correct |
1157 ms |
66788 KB |
Output is correct |
63 |
Correct |
751 ms |
66996 KB |
Output is correct |
64 |
Correct |
765 ms |
66756 KB |
Output is correct |
65 |
Correct |
1033 ms |
70344 KB |
Output is correct |
66 |
Correct |
1020 ms |
70360 KB |
Output is correct |
67 |
Correct |
1052 ms |
70532 KB |
Output is correct |
68 |
Correct |
1109 ms |
72692 KB |
Output is correct |
69 |
Correct |
1114 ms |
72384 KB |
Output is correct |
70 |
Correct |
1104 ms |
71992 KB |
Output is correct |
71 |
Correct |
1119 ms |
72008 KB |
Output is correct |
72 |
Correct |
1105 ms |
71876 KB |
Output is correct |
73 |
Correct |
740 ms |
65644 KB |
Output is correct |
74 |
Correct |
745 ms |
65672 KB |
Output is correct |
75 |
Correct |
712 ms |
65568 KB |
Output is correct |
76 |
Correct |
699 ms |
65648 KB |
Output is correct |
77 |
Correct |
690 ms |
65716 KB |
Output is correct |
78 |
Correct |
915 ms |
69068 KB |
Output is correct |
79 |
Correct |
654 ms |
45356 KB |
Output is correct |
80 |
Correct |
931 ms |
67928 KB |
Output is correct |