#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
const int inf = 1e9+5;
struct node{
int ans, val;
node(){
ans = -1;
val = inf;
}
};
node merge(node &a, node &b){
node ret;
ret.ans = max(a.ans, b.ans);
ret.val = min(a.val, b.val);
return ret;
}
int n, q;
struct seg{
node t[800009];
int lazy[800009];
void start(){
for(int i = 0; i <= 4*n; ++i)
lazy[i] = -inf;
}
void push(int v){
lazy[2*v] = max(lazy[2*v], lazy[v]);
lazy[2*v+1] = max(lazy[2*v+1], lazy[v]);
lazy[v] = -inf;
t[2*v].ans = max(t[2*v].ans, lazy[2*v]-t[2*v].val);
t[2*v+1].ans = max(t[2*v+1].ans, lazy[2*v+1]-t[2*v+1].val);
}
void changeval(int v, int tl, int tr, int idx, int val){
if(tl == idx && tr == idx){
t[v].val = val;
lazy[v] = -inf;
return;
}
push(v);
if(idx <= (tl+tr)/2)
changeval(2*v, tl, (tl+tr)/2, idx, val);
else
changeval(2*v+1, (tl+tr)/2+1, tr, idx, val);
t[v] = merge(t[2*v], t[2*v+1]);
}
void updrange(int v, int tl, int tr, int l, int r, int val){
if(tr < l || r < tl)
return;
if(l <= tl && tr <= r){
lazy[v] = max(lazy[v], val);
t[v].ans = max(t[v].ans, lazy[v]-t[v].val);
}
else{
push(v);
updrange(2*v, tl, (tl+tr)/2, l, r, val);
updrange(2*v+1, (tl+tr)/2+1, tr, l, r, val);
t[v] = merge(t[2*v], t[2*v+1]);
}
}
int get(int v, int tl, int tr, int l, int r){
if(tr < l || r < tl)
return -1;
if(l <= tl && tr <= r){
return t[v].ans;
}
else{
push(v);
return max(get(2*v, tl, (tl+tr)/2, l, r), get(2*v+1, (tl+tr)/2+1, tr, l, r));
}
}
};
struct ant{
int h, a, b;
};
ant a[200009];
vector<pii> query[200009];
seg s1, s2;
vector<int> add[200009];
vector<int> erase[200009];
int ans[200009];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
cin >> n;
for(int i = 0; i < n; ++i)
cin >> a[i].h >> a[i].a >> a[i].b;
cin >> q;
for(int i = 0; i < q; ++i){
int l, r;
cin >> l >> r;
--l; --r;
query[l].pb({r, i});
}
s1.start();
s2.start();
for(int i = n-1; i >= 0; --i){
for(auto u : add[i]){
s1.changeval(1, 0, n-1, u, a[u].h);
s2.changeval(1, 0, n-1, u, -a[u].h);
}
s1.updrange(1, 0, n-1, i+a[i].a, i+a[i].b, a[i].h);
s2.updrange(1, 0, n-1, i+a[i].a, i+a[i].b, -a[i].h);
for(auto u : query[i])
ans[u.ss] = max(s1.get(1, 0, n-1, i, u.ff), s2.get(1, 0, n-1, i, u.ff));
if(i-a[i].a >= 0)
add[i-a[i].a].pb(i);
if(i-a[i].b >= 0)
erase[i-a[i].b].pb(i);
for(auto u : erase[i]){
s1.changeval(1, 0, n-1, u, inf);
s2.changeval(1, 0, n-1, u, inf);
}
}
for(int i = 0; i < q; ++i)
cout << ans[i] << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
27008 KB |
Output is correct |
2 |
Correct |
18 ms |
27008 KB |
Output is correct |
3 |
Correct |
16 ms |
27008 KB |
Output is correct |
4 |
Correct |
16 ms |
27008 KB |
Output is correct |
5 |
Correct |
16 ms |
27136 KB |
Output is correct |
6 |
Correct |
16 ms |
27008 KB |
Output is correct |
7 |
Correct |
16 ms |
27008 KB |
Output is correct |
8 |
Correct |
16 ms |
26968 KB |
Output is correct |
9 |
Correct |
16 ms |
27008 KB |
Output is correct |
10 |
Correct |
16 ms |
27008 KB |
Output is correct |
11 |
Correct |
16 ms |
27008 KB |
Output is correct |
12 |
Correct |
17 ms |
27136 KB |
Output is correct |
13 |
Correct |
16 ms |
27008 KB |
Output is correct |
14 |
Correct |
16 ms |
27008 KB |
Output is correct |
15 |
Correct |
16 ms |
27008 KB |
Output is correct |
16 |
Correct |
17 ms |
27008 KB |
Output is correct |
17 |
Correct |
16 ms |
27008 KB |
Output is correct |
18 |
Correct |
17 ms |
27008 KB |
Output is correct |
19 |
Correct |
17 ms |
27052 KB |
Output is correct |
20 |
Correct |
18 ms |
27008 KB |
Output is correct |
21 |
Correct |
22 ms |
27008 KB |
Output is correct |
22 |
Correct |
16 ms |
27008 KB |
Output is correct |
23 |
Correct |
16 ms |
27008 KB |
Output is correct |
24 |
Correct |
16 ms |
27008 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
27008 KB |
Output is correct |
2 |
Correct |
18 ms |
27008 KB |
Output is correct |
3 |
Correct |
16 ms |
27008 KB |
Output is correct |
4 |
Correct |
16 ms |
27008 KB |
Output is correct |
5 |
Correct |
16 ms |
27136 KB |
Output is correct |
6 |
Correct |
16 ms |
27008 KB |
Output is correct |
7 |
Correct |
16 ms |
27008 KB |
Output is correct |
8 |
Correct |
16 ms |
26968 KB |
Output is correct |
9 |
Correct |
16 ms |
27008 KB |
Output is correct |
10 |
Correct |
16 ms |
27008 KB |
Output is correct |
11 |
Correct |
16 ms |
27008 KB |
Output is correct |
12 |
Correct |
17 ms |
27136 KB |
Output is correct |
13 |
Correct |
16 ms |
27008 KB |
Output is correct |
14 |
Correct |
16 ms |
27008 KB |
Output is correct |
15 |
Correct |
16 ms |
27008 KB |
Output is correct |
16 |
Correct |
17 ms |
27008 KB |
Output is correct |
17 |
Correct |
16 ms |
27008 KB |
Output is correct |
18 |
Correct |
17 ms |
27008 KB |
Output is correct |
19 |
Correct |
17 ms |
27052 KB |
Output is correct |
20 |
Correct |
18 ms |
27008 KB |
Output is correct |
21 |
Correct |
22 ms |
27008 KB |
Output is correct |
22 |
Correct |
16 ms |
27008 KB |
Output is correct |
23 |
Correct |
16 ms |
27008 KB |
Output is correct |
24 |
Correct |
16 ms |
27008 KB |
Output is correct |
25 |
Correct |
115 ms |
31884 KB |
Output is correct |
26 |
Correct |
31 ms |
27640 KB |
Output is correct |
27 |
Correct |
163 ms |
33824 KB |
Output is correct |
28 |
Correct |
160 ms |
33784 KB |
Output is correct |
29 |
Correct |
110 ms |
32120 KB |
Output is correct |
30 |
Correct |
120 ms |
31904 KB |
Output is correct |
31 |
Correct |
121 ms |
33016 KB |
Output is correct |
32 |
Correct |
194 ms |
33696 KB |
Output is correct |
33 |
Correct |
155 ms |
33788 KB |
Output is correct |
34 |
Correct |
87 ms |
30328 KB |
Output is correct |
35 |
Correct |
159 ms |
34296 KB |
Output is correct |
36 |
Correct |
159 ms |
33656 KB |
Output is correct |
37 |
Correct |
96 ms |
30456 KB |
Output is correct |
38 |
Correct |
154 ms |
32632 KB |
Output is correct |
39 |
Correct |
37 ms |
27896 KB |
Output is correct |
40 |
Correct |
163 ms |
32888 KB |
Output is correct |
41 |
Correct |
124 ms |
31612 KB |
Output is correct |
42 |
Correct |
152 ms |
32632 KB |
Output is correct |
43 |
Correct |
63 ms |
29176 KB |
Output is correct |
44 |
Correct |
163 ms |
32660 KB |
Output is correct |
45 |
Correct |
42 ms |
28152 KB |
Output is correct |
46 |
Correct |
163 ms |
32760 KB |
Output is correct |
47 |
Correct |
53 ms |
28664 KB |
Output is correct |
48 |
Correct |
155 ms |
32632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
360 ms |
41976 KB |
Output is correct |
2 |
Correct |
423 ms |
43772 KB |
Output is correct |
3 |
Correct |
275 ms |
38656 KB |
Output is correct |
4 |
Correct |
423 ms |
43640 KB |
Output is correct |
5 |
Correct |
185 ms |
34552 KB |
Output is correct |
6 |
Correct |
436 ms |
43728 KB |
Output is correct |
7 |
Correct |
364 ms |
41368 KB |
Output is correct |
8 |
Correct |
445 ms |
43768 KB |
Output is correct |
9 |
Correct |
62 ms |
29568 KB |
Output is correct |
10 |
Correct |
423 ms |
43640 KB |
Output is correct |
11 |
Correct |
238 ms |
37412 KB |
Output is correct |
12 |
Correct |
408 ms |
43640 KB |
Output is correct |
13 |
Correct |
271 ms |
42744 KB |
Output is correct |
14 |
Correct |
261 ms |
42104 KB |
Output is correct |
15 |
Correct |
241 ms |
41292 KB |
Output is correct |
16 |
Correct |
257 ms |
41204 KB |
Output is correct |
17 |
Correct |
279 ms |
42744 KB |
Output is correct |
18 |
Correct |
278 ms |
41672 KB |
Output is correct |
19 |
Correct |
263 ms |
42000 KB |
Output is correct |
20 |
Correct |
263 ms |
41976 KB |
Output is correct |
21 |
Correct |
239 ms |
42616 KB |
Output is correct |
22 |
Correct |
253 ms |
41976 KB |
Output is correct |
23 |
Correct |
262 ms |
42168 KB |
Output is correct |
24 |
Correct |
256 ms |
41172 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
27008 KB |
Output is correct |
2 |
Correct |
18 ms |
27008 KB |
Output is correct |
3 |
Correct |
16 ms |
27008 KB |
Output is correct |
4 |
Correct |
16 ms |
27008 KB |
Output is correct |
5 |
Correct |
16 ms |
27136 KB |
Output is correct |
6 |
Correct |
16 ms |
27008 KB |
Output is correct |
7 |
Correct |
16 ms |
27008 KB |
Output is correct |
8 |
Correct |
16 ms |
26968 KB |
Output is correct |
9 |
Correct |
16 ms |
27008 KB |
Output is correct |
10 |
Correct |
16 ms |
27008 KB |
Output is correct |
11 |
Correct |
16 ms |
27008 KB |
Output is correct |
12 |
Correct |
17 ms |
27136 KB |
Output is correct |
13 |
Correct |
16 ms |
27008 KB |
Output is correct |
14 |
Correct |
16 ms |
27008 KB |
Output is correct |
15 |
Correct |
16 ms |
27008 KB |
Output is correct |
16 |
Correct |
17 ms |
27008 KB |
Output is correct |
17 |
Correct |
16 ms |
27008 KB |
Output is correct |
18 |
Correct |
17 ms |
27008 KB |
Output is correct |
19 |
Correct |
17 ms |
27052 KB |
Output is correct |
20 |
Correct |
18 ms |
27008 KB |
Output is correct |
21 |
Correct |
22 ms |
27008 KB |
Output is correct |
22 |
Correct |
16 ms |
27008 KB |
Output is correct |
23 |
Correct |
16 ms |
27008 KB |
Output is correct |
24 |
Correct |
16 ms |
27008 KB |
Output is correct |
25 |
Correct |
115 ms |
31884 KB |
Output is correct |
26 |
Correct |
31 ms |
27640 KB |
Output is correct |
27 |
Correct |
163 ms |
33824 KB |
Output is correct |
28 |
Correct |
160 ms |
33784 KB |
Output is correct |
29 |
Correct |
110 ms |
32120 KB |
Output is correct |
30 |
Correct |
120 ms |
31904 KB |
Output is correct |
31 |
Correct |
121 ms |
33016 KB |
Output is correct |
32 |
Correct |
194 ms |
33696 KB |
Output is correct |
33 |
Correct |
155 ms |
33788 KB |
Output is correct |
34 |
Correct |
87 ms |
30328 KB |
Output is correct |
35 |
Correct |
159 ms |
34296 KB |
Output is correct |
36 |
Correct |
159 ms |
33656 KB |
Output is correct |
37 |
Correct |
96 ms |
30456 KB |
Output is correct |
38 |
Correct |
154 ms |
32632 KB |
Output is correct |
39 |
Correct |
37 ms |
27896 KB |
Output is correct |
40 |
Correct |
163 ms |
32888 KB |
Output is correct |
41 |
Correct |
124 ms |
31612 KB |
Output is correct |
42 |
Correct |
152 ms |
32632 KB |
Output is correct |
43 |
Correct |
63 ms |
29176 KB |
Output is correct |
44 |
Correct |
163 ms |
32660 KB |
Output is correct |
45 |
Correct |
42 ms |
28152 KB |
Output is correct |
46 |
Correct |
163 ms |
32760 KB |
Output is correct |
47 |
Correct |
53 ms |
28664 KB |
Output is correct |
48 |
Correct |
155 ms |
32632 KB |
Output is correct |
49 |
Correct |
360 ms |
41976 KB |
Output is correct |
50 |
Correct |
423 ms |
43772 KB |
Output is correct |
51 |
Correct |
275 ms |
38656 KB |
Output is correct |
52 |
Correct |
423 ms |
43640 KB |
Output is correct |
53 |
Correct |
185 ms |
34552 KB |
Output is correct |
54 |
Correct |
436 ms |
43728 KB |
Output is correct |
55 |
Correct |
364 ms |
41368 KB |
Output is correct |
56 |
Correct |
445 ms |
43768 KB |
Output is correct |
57 |
Correct |
62 ms |
29568 KB |
Output is correct |
58 |
Correct |
423 ms |
43640 KB |
Output is correct |
59 |
Correct |
238 ms |
37412 KB |
Output is correct |
60 |
Correct |
408 ms |
43640 KB |
Output is correct |
61 |
Correct |
271 ms |
42744 KB |
Output is correct |
62 |
Correct |
261 ms |
42104 KB |
Output is correct |
63 |
Correct |
241 ms |
41292 KB |
Output is correct |
64 |
Correct |
257 ms |
41204 KB |
Output is correct |
65 |
Correct |
279 ms |
42744 KB |
Output is correct |
66 |
Correct |
278 ms |
41672 KB |
Output is correct |
67 |
Correct |
263 ms |
42000 KB |
Output is correct |
68 |
Correct |
263 ms |
41976 KB |
Output is correct |
69 |
Correct |
239 ms |
42616 KB |
Output is correct |
70 |
Correct |
253 ms |
41976 KB |
Output is correct |
71 |
Correct |
262 ms |
42168 KB |
Output is correct |
72 |
Correct |
256 ms |
41172 KB |
Output is correct |
73 |
Correct |
627 ms |
49400 KB |
Output is correct |
74 |
Correct |
451 ms |
44536 KB |
Output is correct |
75 |
Correct |
571 ms |
47736 KB |
Output is correct |
76 |
Correct |
777 ms |
53368 KB |
Output is correct |
77 |
Correct |
396 ms |
41008 KB |
Output is correct |
78 |
Correct |
653 ms |
50424 KB |
Output is correct |
79 |
Correct |
654 ms |
50788 KB |
Output is correct |
80 |
Correct |
729 ms |
53240 KB |
Output is correct |
81 |
Correct |
267 ms |
36984 KB |
Output is correct |
82 |
Correct |
570 ms |
48888 KB |
Output is correct |
83 |
Correct |
523 ms |
46200 KB |
Output is correct |
84 |
Correct |
719 ms |
53292 KB |
Output is correct |
85 |
Correct |
467 ms |
47708 KB |
Output is correct |
86 |
Correct |
572 ms |
50580 KB |
Output is correct |
87 |
Correct |
311 ms |
42700 KB |
Output is correct |
88 |
Correct |
602 ms |
49652 KB |
Output is correct |
89 |
Correct |
533 ms |
49272 KB |
Output is correct |
90 |
Correct |
597 ms |
50120 KB |
Output is correct |
91 |
Correct |
374 ms |
45052 KB |
Output is correct |
92 |
Correct |
605 ms |
50552 KB |
Output is correct |
93 |
Correct |
301 ms |
44152 KB |
Output is correct |
94 |
Correct |
556 ms |
50424 KB |
Output is correct |
95 |
Correct |
345 ms |
44568 KB |
Output is correct |
96 |
Correct |
574 ms |
49748 KB |
Output is correct |