#include "jumps.h"
#include <bits/stdc++.h>
#include <bits/extc++.h>
#define StarBurstStream ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define iter(a) a.begin(), a.end()
#define riter(a) a.rbegin(), a.rend()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(riter(a))
#define pb(a) push_back(a)
#define eb(a) emplace_back(a)
#define pf(a) push_front(a)
#define ef(a) emplace_front(a)
#define pob pop_back()
#define pof pop_front()
#define mp(a, b) make_pair(a, b)
#define F first
#define S second
#define mt make_tuple
#define gt(t, i) get<i>(t)
#define tomax(a, b) ((a) = max((a), (b)))
#define tomin(a, b) ((a) = min((a), (b)))
#define topos(a) ((a) = (((a) % MOD + MOD) % MOD))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define printv(a, b) {bool pvaspace=false; \
for(auto pva : a){ \
if(pvaspace) b << " "; pvaspace=true;\
b << pva;\
}\
b << "\n";}
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<ld, ld>;
using tiii = tuple<int, int, int>;
const ll MOD = 1000000007;
const ll MAX = 2147483647;
template<typename A, typename B>
ostream& operator<<(ostream& o, pair<A, B> p){
return o << '(' << p.F << ',' << p.S << ')';
}
ll ifloor(ll a, ll b){
if(b < 0) a *= -1, b *= -1;
if(a < 0) return (a - b + 1) / b;
else return a / b;
}
ll iceil(ll a, ll b){
if(b < 0) a *= -1, b *= -1;
if(a > 0) return (a + b - 1) / b;
else return a / b;
}
int SZ = 20;
int n;
struct Doubling{
vector<vector<int>> a, mx;
void resize(){
a.resize(SZ, vector<int>(n));
mx.resize(SZ, vector<int>(n));
}
void init(){
for(int i = 0; i < n; i++) mx[0][i] = a[0][i];
for(int i = 1; i < SZ; i++){
for(int j = 0; j < n; j++){
if(a[i - 1][j] == -1){
a[i][j] = -1;
continue;
}
a[i][j] = a[i - 1][a[i - 1][j]];
mx[i][j] = max(mx[i - 1][j], mx[i - 1][a[i - 1][j]]);
}
}
}
int& operator()(int i, int j){
return a[i][j];
}
};
struct SparseTable{
vector<vector<int>> st;
vector<int> a;
int maxarg(int p, int q){
return a[p] > a[q] ? p : q;
}
void init(vector<int>& _a){
a = _a;
st.resize(SZ, vector<int>(n));
for(int i = 0; i < n; i++) st[0][i] = i;
for(int i = 1; i < SZ; i++){
for(int j = 0; j + (1 << i) - 1 < n; j++){
st[i][j] = maxarg(st[i - 1][j], st[i - 1][j + (1 << (i - 1))]);
}
}
}
int query(int l, int r){
int lg = __lg(r - l + 1);
return maxarg(st[lg][l], st[lg][r - (1 << lg) + 1]);
}
};
Doubling small, large;
SparseTable st;
vector<int> mn, mx;
int dfs(int l, int r, int lp, int rp, int p){
if(l > r) return p;
int pos = st.query(l, r);
mn[pos] = l;
mx[pos] = r;
small(0, pos) = p;
large(0, pos) = p ^ lp ^ rp;
dfs(l, pos - 1, lp, pos, pos);
dfs(pos + 1, r, pos, rp, pos);
return pos;
}
void init(int N, vector<int> H){
n = N;
mn.resize(n);
mx.resize(n);
st.init(H);
small.resize();
large.resize();
dfs(0, n - 1, -1, -1, -1);
small.init();
large.init();
// printv(small.a[0], cerr);
// printv(large.a[0], cerr);
}
int minimum_jumps(int A, int B, int C, int D){
int ed = st.query(C, D);
A = max(A, mn[ed]);
if(A > B) return -1;
int start = st.query(A, B);
// if(mx[start] >= C){
// int tmp = st.query(C, mx[start]);
// if(mn[tmp] <= B) return 1;
// }
// cerr << "start " << start << "\n";
int ans = 0;
for(int i = SZ - 1; i >= 0; i--){
if(large(i, start) != -1 && mn[ed] <= large(i, start) && large(i, start) <= mx[ed]){
ans += 1 << i;
start = large(i, start);
assert(mn[ed] <= start && start <= mx[ed]);
}
}
if(start >= C) return ans;
for(int i = SZ - 1; i >= 0; i--){
if(small(i, start) != -1 && small.mx[i][start] < C){
ans += 1 << i;
start = small(i, start);
}
}
start = small(0, start);
assert(C <= start && start <= D);
// cerr << "end " << small(0, start) << "\n";
return ans + 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
200 KB |
Output is correct |
2 |
Correct |
0 ms |
200 KB |
Output is correct |
3 |
Correct |
219 ms |
71316 KB |
Output is correct |
4 |
Correct |
1347 ms |
89604 KB |
Output is correct |
5 |
Correct |
1217 ms |
45208 KB |
Output is correct |
6 |
Correct |
1417 ms |
89524 KB |
Output is correct |
7 |
Correct |
1126 ms |
61188 KB |
Output is correct |
8 |
Correct |
1305 ms |
89520 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
200 KB |
Output is correct |
2 |
Correct |
0 ms |
200 KB |
Output is correct |
3 |
Correct |
0 ms |
200 KB |
Output is correct |
4 |
Correct |
1 ms |
200 KB |
Output is correct |
5 |
Correct |
3 ms |
200 KB |
Output is correct |
6 |
Incorrect |
3 ms |
328 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
200 KB |
Output is correct |
2 |
Correct |
0 ms |
200 KB |
Output is correct |
3 |
Correct |
0 ms |
200 KB |
Output is correct |
4 |
Correct |
1 ms |
200 KB |
Output is correct |
5 |
Correct |
3 ms |
200 KB |
Output is correct |
6 |
Incorrect |
3 ms |
328 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
200 KB |
Output is correct |
2 |
Correct |
0 ms |
200 KB |
Output is correct |
3 |
Correct |
0 ms |
200 KB |
Output is correct |
4 |
Correct |
0 ms |
200 KB |
Output is correct |
5 |
Correct |
72 ms |
67016 KB |
Output is correct |
6 |
Correct |
103 ms |
83220 KB |
Output is correct |
7 |
Correct |
45 ms |
42672 KB |
Output is correct |
8 |
Correct |
88 ms |
83224 KB |
Output is correct |
9 |
Correct |
13 ms |
12744 KB |
Output is correct |
10 |
Correct |
90 ms |
83204 KB |
Output is correct |
11 |
Correct |
94 ms |
89520 KB |
Output is correct |
12 |
Correct |
102 ms |
87760 KB |
Output is correct |
13 |
Correct |
95 ms |
87680 KB |
Output is correct |
14 |
Correct |
91 ms |
83248 KB |
Output is correct |
15 |
Incorrect |
99 ms |
89452 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Output is correct |
2 |
Correct |
1 ms |
200 KB |
Output is correct |
3 |
Correct |
1 ms |
200 KB |
Output is correct |
4 |
Correct |
269 ms |
38232 KB |
Output is correct |
5 |
Correct |
1166 ms |
83248 KB |
Output is correct |
6 |
Correct |
677 ms |
14020 KB |
Output is correct |
7 |
Correct |
853 ms |
83316 KB |
Output is correct |
8 |
Correct |
445 ms |
28848 KB |
Output is correct |
9 |
Correct |
1051 ms |
83316 KB |
Output is correct |
10 |
Correct |
1309 ms |
89580 KB |
Output is correct |
11 |
Correct |
1341 ms |
89136 KB |
Output is correct |
12 |
Correct |
1466 ms |
88708 KB |
Output is correct |
13 |
Correct |
1034 ms |
83224 KB |
Output is correct |
14 |
Correct |
1196 ms |
89520 KB |
Output is correct |
15 |
Correct |
1102 ms |
89460 KB |
Output is correct |
16 |
Correct |
1077 ms |
89472 KB |
Output is correct |
17 |
Correct |
0 ms |
200 KB |
Output is correct |
18 |
Correct |
0 ms |
200 KB |
Output is correct |
19 |
Correct |
2 ms |
200 KB |
Output is correct |
20 |
Correct |
3 ms |
328 KB |
Output is correct |
21 |
Correct |
2 ms |
328 KB |
Output is correct |
22 |
Correct |
3 ms |
328 KB |
Output is correct |
23 |
Correct |
3 ms |
328 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
584 KB |
Output is correct |
27 |
Correct |
26 ms |
1096 KB |
Output is correct |
28 |
Correct |
25 ms |
1152 KB |
Output is correct |
29 |
Correct |
22 ms |
1096 KB |
Output is correct |
30 |
Correct |
23 ms |
1096 KB |
Output is correct |
31 |
Correct |
27 ms |
1176 KB |
Output is correct |
32 |
Correct |
1 ms |
200 KB |
Output is correct |
33 |
Correct |
50 ms |
48320 KB |
Output is correct |
34 |
Correct |
87 ms |
83200 KB |
Output is correct |
35 |
Correct |
95 ms |
88708 KB |
Output is correct |
36 |
Correct |
85 ms |
83276 KB |
Output is correct |
37 |
Correct |
112 ms |
89488 KB |
Output is correct |
38 |
Correct |
94 ms |
89580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Output is correct |
2 |
Correct |
1 ms |
200 KB |
Output is correct |
3 |
Correct |
1 ms |
200 KB |
Output is correct |
4 |
Correct |
269 ms |
38232 KB |
Output is correct |
5 |
Correct |
1166 ms |
83248 KB |
Output is correct |
6 |
Correct |
677 ms |
14020 KB |
Output is correct |
7 |
Correct |
853 ms |
83316 KB |
Output is correct |
8 |
Correct |
445 ms |
28848 KB |
Output is correct |
9 |
Correct |
1051 ms |
83316 KB |
Output is correct |
10 |
Correct |
1309 ms |
89580 KB |
Output is correct |
11 |
Correct |
1341 ms |
89136 KB |
Output is correct |
12 |
Correct |
1466 ms |
88708 KB |
Output is correct |
13 |
Correct |
1034 ms |
83224 KB |
Output is correct |
14 |
Correct |
1196 ms |
89520 KB |
Output is correct |
15 |
Correct |
1102 ms |
89460 KB |
Output is correct |
16 |
Correct |
1077 ms |
89472 KB |
Output is correct |
17 |
Correct |
0 ms |
200 KB |
Output is correct |
18 |
Correct |
0 ms |
200 KB |
Output is correct |
19 |
Correct |
2 ms |
200 KB |
Output is correct |
20 |
Correct |
3 ms |
328 KB |
Output is correct |
21 |
Correct |
2 ms |
328 KB |
Output is correct |
22 |
Correct |
3 ms |
328 KB |
Output is correct |
23 |
Correct |
3 ms |
328 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
584 KB |
Output is correct |
27 |
Correct |
26 ms |
1096 KB |
Output is correct |
28 |
Correct |
25 ms |
1152 KB |
Output is correct |
29 |
Correct |
22 ms |
1096 KB |
Output is correct |
30 |
Correct |
23 ms |
1096 KB |
Output is correct |
31 |
Correct |
27 ms |
1176 KB |
Output is correct |
32 |
Correct |
1 ms |
200 KB |
Output is correct |
33 |
Correct |
50 ms |
48320 KB |
Output is correct |
34 |
Correct |
87 ms |
83200 KB |
Output is correct |
35 |
Correct |
95 ms |
88708 KB |
Output is correct |
36 |
Correct |
85 ms |
83276 KB |
Output is correct |
37 |
Correct |
112 ms |
89488 KB |
Output is correct |
38 |
Correct |
94 ms |
89580 KB |
Output is correct |
39 |
Correct |
0 ms |
200 KB |
Output is correct |
40 |
Correct |
0 ms |
200 KB |
Output is correct |
41 |
Correct |
0 ms |
200 KB |
Output is correct |
42 |
Correct |
380 ms |
38188 KB |
Output is correct |
43 |
Correct |
950 ms |
83212 KB |
Output is correct |
44 |
Correct |
776 ms |
13976 KB |
Output is correct |
45 |
Correct |
1309 ms |
83248 KB |
Output is correct |
46 |
Correct |
646 ms |
28924 KB |
Output is correct |
47 |
Correct |
1031 ms |
83260 KB |
Output is correct |
48 |
Correct |
1251 ms |
89524 KB |
Output is correct |
49 |
Correct |
1374 ms |
88984 KB |
Output is correct |
50 |
Correct |
1138 ms |
88704 KB |
Output is correct |
51 |
Correct |
1191 ms |
83224 KB |
Output is correct |
52 |
Correct |
1225 ms |
89472 KB |
Output is correct |
53 |
Correct |
1211 ms |
89492 KB |
Output is correct |
54 |
Correct |
1119 ms |
89472 KB |
Output is correct |
55 |
Correct |
1 ms |
200 KB |
Output is correct |
56 |
Correct |
153 ms |
82868 KB |
Output is correct |
57 |
Correct |
1214 ms |
83248 KB |
Output is correct |
58 |
Correct |
526 ms |
14908 KB |
Output is correct |
59 |
Correct |
1027 ms |
83376 KB |
Output is correct |
60 |
Correct |
511 ms |
29736 KB |
Output is correct |
61 |
Correct |
936 ms |
83248 KB |
Output is correct |
62 |
Correct |
1379 ms |
89468 KB |
Output is correct |
63 |
Correct |
1210 ms |
87960 KB |
Output is correct |
64 |
Correct |
1323 ms |
87216 KB |
Output is correct |
65 |
Correct |
1287 ms |
83248 KB |
Output is correct |
66 |
Correct |
1212 ms |
89488 KB |
Output is correct |
67 |
Correct |
1133 ms |
89856 KB |
Output is correct |
68 |
Correct |
1049 ms |
89520 KB |
Output is correct |
69 |
Correct |
0 ms |
200 KB |
Output is correct |
70 |
Correct |
1 ms |
200 KB |
Output is correct |
71 |
Correct |
2 ms |
328 KB |
Output is correct |
72 |
Correct |
3 ms |
328 KB |
Output is correct |
73 |
Correct |
3 ms |
328 KB |
Output is correct |
74 |
Correct |
2 ms |
328 KB |
Output is correct |
75 |
Correct |
2 ms |
328 KB |
Output is correct |
76 |
Correct |
0 ms |
200 KB |
Output is correct |
77 |
Correct |
0 ms |
200 KB |
Output is correct |
78 |
Correct |
2 ms |
200 KB |
Output is correct |
79 |
Correct |
3 ms |
328 KB |
Output is correct |
80 |
Correct |
4 ms |
328 KB |
Output is correct |
81 |
Correct |
4 ms |
328 KB |
Output is correct |
82 |
Correct |
3 ms |
328 KB |
Output is correct |
83 |
Correct |
3 ms |
328 KB |
Output is correct |
84 |
Correct |
1 ms |
328 KB |
Output is correct |
85 |
Correct |
5 ms |
328 KB |
Output is correct |
86 |
Correct |
25 ms |
1096 KB |
Output is correct |
87 |
Correct |
22 ms |
1128 KB |
Output is correct |
88 |
Correct |
23 ms |
1216 KB |
Output is correct |
89 |
Correct |
20 ms |
1096 KB |
Output is correct |
90 |
Correct |
25 ms |
1096 KB |
Output is correct |
91 |
Correct |
0 ms |
328 KB |
Output is correct |
92 |
Correct |
1 ms |
584 KB |
Output is correct |
93 |
Correct |
24 ms |
1096 KB |
Output is correct |
94 |
Correct |
26 ms |
1096 KB |
Output is correct |
95 |
Correct |
23 ms |
1096 KB |
Output is correct |
96 |
Correct |
24 ms |
1160 KB |
Output is correct |
97 |
Correct |
27 ms |
1096 KB |
Output is correct |
98 |
Correct |
0 ms |
200 KB |
Output is correct |
99 |
Correct |
86 ms |
83076 KB |
Output is correct |
100 |
Correct |
85 ms |
83248 KB |
Output is correct |
101 |
Correct |
88 ms |
88068 KB |
Output is correct |
102 |
Correct |
91 ms |
83248 KB |
Output is correct |
103 |
Correct |
110 ms |
89520 KB |
Output is correct |
104 |
Correct |
90 ms |
89572 KB |
Output is correct |
105 |
Correct |
0 ms |
200 KB |
Output is correct |
106 |
Correct |
50 ms |
48332 KB |
Output is correct |
107 |
Correct |
87 ms |
83248 KB |
Output is correct |
108 |
Correct |
86 ms |
88564 KB |
Output is correct |
109 |
Correct |
100 ms |
83376 KB |
Output is correct |
110 |
Correct |
97 ms |
89476 KB |
Output is correct |
111 |
Correct |
90 ms |
89488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
200 KB |
Output is correct |
2 |
Correct |
0 ms |
200 KB |
Output is correct |
3 |
Correct |
219 ms |
71316 KB |
Output is correct |
4 |
Correct |
1347 ms |
89604 KB |
Output is correct |
5 |
Correct |
1217 ms |
45208 KB |
Output is correct |
6 |
Correct |
1417 ms |
89524 KB |
Output is correct |
7 |
Correct |
1126 ms |
61188 KB |
Output is correct |
8 |
Correct |
1305 ms |
89520 KB |
Output is correct |
9 |
Correct |
0 ms |
200 KB |
Output is correct |
10 |
Correct |
0 ms |
200 KB |
Output is correct |
11 |
Correct |
0 ms |
200 KB |
Output is correct |
12 |
Correct |
1 ms |
200 KB |
Output is correct |
13 |
Correct |
3 ms |
200 KB |
Output is correct |
14 |
Incorrect |
3 ms |
328 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |