#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include "bits/stdc++.h"
#define ld double
#define ll long long
#define llinf 1000000000000000000LL
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) (ll)(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define cer(a) {cerr<<#a<<": ";for(ll x_ : a) cerr<<x_<< " ";cerr<<endl;}
using namespace std;
#define maxn 200005
ll n,q;
ll h[maxn],a[maxn],b[maxn];
pll v[maxn];
ll t[4*maxn],t2[4*maxn],lazy[4*maxn];
ll ans[maxn];
vector<pll> kv[maxn];
vector<ll> add[maxn],del[maxn];
ll ls[4*maxn],rs[4*maxn],tsz = 0,root = 0;
void init(ll &v,ll tl,ll tr){
v = ++tsz;
t[v] = t2[v] = lazy[v] = -llinf;
if(tl==tr) return;
ll mid = (tl+tr)/2;
init(ls[v],tl,mid);
init(rs[v],mid+1,tr);
}
void push(ll v){
if(lazy[v]!=-llinf){
t[v] = max(t[v],t2[v]+lazy[v]);
if(ls[v]) lazy[ls[v]] = max(lazy[ls[v]],lazy[v]);
if(rs[v]) lazy[rs[v]] = max(lazy[rs[v]],lazy[v]);
lazy[v] = -llinf;
}
}
void upd2(ll v,ll tl,ll tr,ll i,ll x){
push(v);
if(tl==tr){t2[v] = x;return;}
ll mid = (tl+tr)/2;
if(i<=mid) upd2(ls[v],tl,mid,i,x);
else upd2(rs[v],mid+1,tr,i,x);
t2[v] = max(t2[ls[v]],t2[rs[v]]);
}
void upd(ll v,ll tl,ll tr,ll l,ll r,ll x){
push(v);
if(tl>tr||r<tl||l>tr) return;
if(tl>=l&&tr<=r){lazy[v] = x;push(v);return;}
ll mid = (tl+tr)/2;
upd(ls[v],tl,mid,l,r,x);
upd(rs[v],mid+1,tr,l,r,x);
t[v] = max(t[ls[v]],t[rs[v]]);
}
ll get(ll v,ll tl,ll tr,ll l,ll r){
push(v);
if(l>r) return -llinf;
if(tl==l&&tr==r) return t[v];
ll mid = (tl+tr)/2;
return max(get(ls[v],tl,mid,l,min(mid,r)),get(rs[v],mid+1,tr,max(mid+1,l),r));
}
void solve(){
init(root,1,n);
for(ll i = 1;i<=n;i++){
ll l = min(n+1,i+a[i]);
ll r = min(n+1,i+b[i]);
add[l].pb(i);
del[r].pb(i);
for(ll j : add[i]) upd2(root,1,n,j,h[j]);
upd(root,1,n,i-b[i],i-a[i],-h[i]);
for(pll p : kv[i]) ans[p.sc] = max(ans[p.sc],get(root,1,n,p.fi,i));
for(ll j : del[i]) upd2(root,1,n,j,-llinf);
add[i].clear();
del[i].clear();
}
for(ll i = 0;i<=tsz;i++) rs[i] = ls[i] = 0;
root = tsz = 0;
}
void tc(){
cin >> n;
for(ll i = 1;i<=n;i++) cin >> h[i] >> a[i] >> b[i];
cin >> q;
for(ll i = 1;i<=q;i++) cin >> v[i].fi >> v[i].sc;
for(ll i = 1;i<=q;i++) kv[v[i].sc].pb({v[i].fi,i}),ans[i] = -1;
solve();
for(ll i = 1;i<=n;i++) h[i] = -h[i];
solve();
for(ll i = 1;i<=q;i++) cout<<ans[i]<<endl;
}
int main(){
int t; t = 1;
while(t--){
tc();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
14420 KB |
Output is correct |
2 |
Correct |
9 ms |
14536 KB |
Output is correct |
3 |
Correct |
8 ms |
14484 KB |
Output is correct |
4 |
Correct |
8 ms |
14420 KB |
Output is correct |
5 |
Correct |
9 ms |
14404 KB |
Output is correct |
6 |
Correct |
9 ms |
14496 KB |
Output is correct |
7 |
Correct |
8 ms |
14404 KB |
Output is correct |
8 |
Correct |
9 ms |
14420 KB |
Output is correct |
9 |
Correct |
8 ms |
14420 KB |
Output is correct |
10 |
Correct |
8 ms |
14420 KB |
Output is correct |
11 |
Correct |
8 ms |
14404 KB |
Output is correct |
12 |
Correct |
8 ms |
14420 KB |
Output is correct |
13 |
Correct |
9 ms |
14420 KB |
Output is correct |
14 |
Correct |
9 ms |
14488 KB |
Output is correct |
15 |
Correct |
9 ms |
14420 KB |
Output is correct |
16 |
Correct |
8 ms |
14420 KB |
Output is correct |
17 |
Correct |
9 ms |
14400 KB |
Output is correct |
18 |
Correct |
10 ms |
14420 KB |
Output is correct |
19 |
Correct |
9 ms |
14488 KB |
Output is correct |
20 |
Correct |
8 ms |
14468 KB |
Output is correct |
21 |
Correct |
8 ms |
14420 KB |
Output is correct |
22 |
Correct |
10 ms |
14408 KB |
Output is correct |
23 |
Correct |
9 ms |
14404 KB |
Output is correct |
24 |
Correct |
10 ms |
14424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
14420 KB |
Output is correct |
2 |
Correct |
9 ms |
14536 KB |
Output is correct |
3 |
Correct |
8 ms |
14484 KB |
Output is correct |
4 |
Correct |
8 ms |
14420 KB |
Output is correct |
5 |
Correct |
9 ms |
14404 KB |
Output is correct |
6 |
Correct |
9 ms |
14496 KB |
Output is correct |
7 |
Correct |
8 ms |
14404 KB |
Output is correct |
8 |
Correct |
9 ms |
14420 KB |
Output is correct |
9 |
Correct |
8 ms |
14420 KB |
Output is correct |
10 |
Correct |
8 ms |
14420 KB |
Output is correct |
11 |
Correct |
8 ms |
14404 KB |
Output is correct |
12 |
Correct |
8 ms |
14420 KB |
Output is correct |
13 |
Correct |
9 ms |
14420 KB |
Output is correct |
14 |
Correct |
9 ms |
14488 KB |
Output is correct |
15 |
Correct |
9 ms |
14420 KB |
Output is correct |
16 |
Correct |
8 ms |
14420 KB |
Output is correct |
17 |
Correct |
9 ms |
14400 KB |
Output is correct |
18 |
Correct |
10 ms |
14420 KB |
Output is correct |
19 |
Correct |
9 ms |
14488 KB |
Output is correct |
20 |
Correct |
8 ms |
14468 KB |
Output is correct |
21 |
Correct |
8 ms |
14420 KB |
Output is correct |
22 |
Correct |
10 ms |
14408 KB |
Output is correct |
23 |
Correct |
9 ms |
14404 KB |
Output is correct |
24 |
Correct |
10 ms |
14424 KB |
Output is correct |
25 |
Correct |
132 ms |
23640 KB |
Output is correct |
26 |
Correct |
27 ms |
15700 KB |
Output is correct |
27 |
Correct |
253 ms |
26776 KB |
Output is correct |
28 |
Correct |
232 ms |
26840 KB |
Output is correct |
29 |
Correct |
169 ms |
23704 KB |
Output is correct |
30 |
Correct |
137 ms |
23120 KB |
Output is correct |
31 |
Correct |
153 ms |
25856 KB |
Output is correct |
32 |
Correct |
248 ms |
26956 KB |
Output is correct |
33 |
Correct |
192 ms |
26208 KB |
Output is correct |
34 |
Correct |
111 ms |
20940 KB |
Output is correct |
35 |
Correct |
198 ms |
26752 KB |
Output is correct |
36 |
Correct |
248 ms |
26936 KB |
Output is correct |
37 |
Correct |
125 ms |
21644 KB |
Output is correct |
38 |
Correct |
199 ms |
25876 KB |
Output is correct |
39 |
Correct |
40 ms |
16364 KB |
Output is correct |
40 |
Correct |
211 ms |
25836 KB |
Output is correct |
41 |
Correct |
145 ms |
23024 KB |
Output is correct |
42 |
Correct |
203 ms |
25860 KB |
Output is correct |
43 |
Correct |
74 ms |
18636 KB |
Output is correct |
44 |
Correct |
229 ms |
25896 KB |
Output is correct |
45 |
Correct |
43 ms |
16668 KB |
Output is correct |
46 |
Correct |
193 ms |
25956 KB |
Output is correct |
47 |
Correct |
59 ms |
17724 KB |
Output is correct |
48 |
Correct |
216 ms |
26020 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
661 ms |
42144 KB |
Output is correct |
2 |
Correct |
732 ms |
45128 KB |
Output is correct |
3 |
Correct |
457 ms |
35932 KB |
Output is correct |
4 |
Correct |
695 ms |
45128 KB |
Output is correct |
5 |
Correct |
271 ms |
29336 KB |
Output is correct |
6 |
Correct |
749 ms |
45292 KB |
Output is correct |
7 |
Correct |
643 ms |
39952 KB |
Output is correct |
8 |
Correct |
740 ms |
45256 KB |
Output is correct |
9 |
Correct |
75 ms |
19784 KB |
Output is correct |
10 |
Correct |
740 ms |
45152 KB |
Output is correct |
11 |
Correct |
400 ms |
33256 KB |
Output is correct |
12 |
Correct |
723 ms |
45300 KB |
Output is correct |
13 |
Correct |
355 ms |
41176 KB |
Output is correct |
14 |
Correct |
346 ms |
41324 KB |
Output is correct |
15 |
Correct |
388 ms |
41336 KB |
Output is correct |
16 |
Correct |
306 ms |
41760 KB |
Output is correct |
17 |
Correct |
354 ms |
41252 KB |
Output is correct |
18 |
Correct |
345 ms |
41672 KB |
Output is correct |
19 |
Correct |
358 ms |
40852 KB |
Output is correct |
20 |
Correct |
364 ms |
41528 KB |
Output is correct |
21 |
Correct |
367 ms |
42276 KB |
Output is correct |
22 |
Correct |
345 ms |
41692 KB |
Output is correct |
23 |
Correct |
349 ms |
41124 KB |
Output is correct |
24 |
Correct |
307 ms |
41508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
14420 KB |
Output is correct |
2 |
Correct |
9 ms |
14536 KB |
Output is correct |
3 |
Correct |
8 ms |
14484 KB |
Output is correct |
4 |
Correct |
8 ms |
14420 KB |
Output is correct |
5 |
Correct |
9 ms |
14404 KB |
Output is correct |
6 |
Correct |
9 ms |
14496 KB |
Output is correct |
7 |
Correct |
8 ms |
14404 KB |
Output is correct |
8 |
Correct |
9 ms |
14420 KB |
Output is correct |
9 |
Correct |
8 ms |
14420 KB |
Output is correct |
10 |
Correct |
8 ms |
14420 KB |
Output is correct |
11 |
Correct |
8 ms |
14404 KB |
Output is correct |
12 |
Correct |
8 ms |
14420 KB |
Output is correct |
13 |
Correct |
9 ms |
14420 KB |
Output is correct |
14 |
Correct |
9 ms |
14488 KB |
Output is correct |
15 |
Correct |
9 ms |
14420 KB |
Output is correct |
16 |
Correct |
8 ms |
14420 KB |
Output is correct |
17 |
Correct |
9 ms |
14400 KB |
Output is correct |
18 |
Correct |
10 ms |
14420 KB |
Output is correct |
19 |
Correct |
9 ms |
14488 KB |
Output is correct |
20 |
Correct |
8 ms |
14468 KB |
Output is correct |
21 |
Correct |
8 ms |
14420 KB |
Output is correct |
22 |
Correct |
10 ms |
14408 KB |
Output is correct |
23 |
Correct |
9 ms |
14404 KB |
Output is correct |
24 |
Correct |
10 ms |
14424 KB |
Output is correct |
25 |
Correct |
132 ms |
23640 KB |
Output is correct |
26 |
Correct |
27 ms |
15700 KB |
Output is correct |
27 |
Correct |
253 ms |
26776 KB |
Output is correct |
28 |
Correct |
232 ms |
26840 KB |
Output is correct |
29 |
Correct |
169 ms |
23704 KB |
Output is correct |
30 |
Correct |
137 ms |
23120 KB |
Output is correct |
31 |
Correct |
153 ms |
25856 KB |
Output is correct |
32 |
Correct |
248 ms |
26956 KB |
Output is correct |
33 |
Correct |
192 ms |
26208 KB |
Output is correct |
34 |
Correct |
111 ms |
20940 KB |
Output is correct |
35 |
Correct |
198 ms |
26752 KB |
Output is correct |
36 |
Correct |
248 ms |
26936 KB |
Output is correct |
37 |
Correct |
125 ms |
21644 KB |
Output is correct |
38 |
Correct |
199 ms |
25876 KB |
Output is correct |
39 |
Correct |
40 ms |
16364 KB |
Output is correct |
40 |
Correct |
211 ms |
25836 KB |
Output is correct |
41 |
Correct |
145 ms |
23024 KB |
Output is correct |
42 |
Correct |
203 ms |
25860 KB |
Output is correct |
43 |
Correct |
74 ms |
18636 KB |
Output is correct |
44 |
Correct |
229 ms |
25896 KB |
Output is correct |
45 |
Correct |
43 ms |
16668 KB |
Output is correct |
46 |
Correct |
193 ms |
25956 KB |
Output is correct |
47 |
Correct |
59 ms |
17724 KB |
Output is correct |
48 |
Correct |
216 ms |
26020 KB |
Output is correct |
49 |
Correct |
661 ms |
42144 KB |
Output is correct |
50 |
Correct |
732 ms |
45128 KB |
Output is correct |
51 |
Correct |
457 ms |
35932 KB |
Output is correct |
52 |
Correct |
695 ms |
45128 KB |
Output is correct |
53 |
Correct |
271 ms |
29336 KB |
Output is correct |
54 |
Correct |
749 ms |
45292 KB |
Output is correct |
55 |
Correct |
643 ms |
39952 KB |
Output is correct |
56 |
Correct |
740 ms |
45256 KB |
Output is correct |
57 |
Correct |
75 ms |
19784 KB |
Output is correct |
58 |
Correct |
740 ms |
45152 KB |
Output is correct |
59 |
Correct |
400 ms |
33256 KB |
Output is correct |
60 |
Correct |
723 ms |
45300 KB |
Output is correct |
61 |
Correct |
355 ms |
41176 KB |
Output is correct |
62 |
Correct |
346 ms |
41324 KB |
Output is correct |
63 |
Correct |
388 ms |
41336 KB |
Output is correct |
64 |
Correct |
306 ms |
41760 KB |
Output is correct |
65 |
Correct |
354 ms |
41252 KB |
Output is correct |
66 |
Correct |
345 ms |
41672 KB |
Output is correct |
67 |
Correct |
358 ms |
40852 KB |
Output is correct |
68 |
Correct |
364 ms |
41528 KB |
Output is correct |
69 |
Correct |
367 ms |
42276 KB |
Output is correct |
70 |
Correct |
345 ms |
41692 KB |
Output is correct |
71 |
Correct |
349 ms |
41124 KB |
Output is correct |
72 |
Correct |
307 ms |
41508 KB |
Output is correct |
73 |
Correct |
1071 ms |
50104 KB |
Output is correct |
74 |
Correct |
822 ms |
45860 KB |
Output is correct |
75 |
Correct |
935 ms |
46564 KB |
Output is correct |
76 |
Correct |
1294 ms |
55008 KB |
Output is correct |
77 |
Correct |
625 ms |
36544 KB |
Output is correct |
78 |
Correct |
1167 ms |
51140 KB |
Output is correct |
79 |
Correct |
1183 ms |
50620 KB |
Output is correct |
80 |
Correct |
1291 ms |
54944 KB |
Output is correct |
81 |
Correct |
389 ms |
30152 KB |
Output is correct |
82 |
Correct |
1050 ms |
49448 KB |
Output is correct |
83 |
Correct |
872 ms |
43856 KB |
Output is correct |
84 |
Correct |
1275 ms |
54844 KB |
Output is correct |
85 |
Correct |
647 ms |
46792 KB |
Output is correct |
86 |
Correct |
769 ms |
51312 KB |
Output is correct |
87 |
Correct |
431 ms |
42104 KB |
Output is correct |
88 |
Correct |
869 ms |
51532 KB |
Output is correct |
89 |
Correct |
656 ms |
48132 KB |
Output is correct |
90 |
Correct |
827 ms |
51080 KB |
Output is correct |
91 |
Correct |
503 ms |
43948 KB |
Output is correct |
92 |
Correct |
784 ms |
51548 KB |
Output is correct |
93 |
Correct |
449 ms |
43568 KB |
Output is correct |
94 |
Correct |
855 ms |
51744 KB |
Output is correct |
95 |
Correct |
524 ms |
43332 KB |
Output is correct |
96 |
Correct |
772 ms |
51804 KB |
Output is correct |