#include "jumps.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int mod = 1e9 + 7;
const int inf = 1e9;
template<typename T>
int len(T &a){return a.size();}
vector<int> lef, rig;
vector<vector<int>> g;
int n;
bool sub1 = 1;
vector<vector<int>> dis;
struct Segtree{
vector<int> t;
int n;
void init(int _n){
n = _n;
t.resize(2 * n);
}
int merge(const int &a, const int &b){
return min(a, b);
}
void build(vector<int> &a){
init(len(a));
for(int i = 0; i < n; i ++) t[i + n] = a[i];
for(int i = n - 1; i > 0; i --) t[i] = merge(t[i << 1], t[i << 1 | 1]);
}
int get(int l, int r){
l += n; r += n;
int res = inf;
while(l <= r){
if(l % 2) res = merge(res, t[l ++]);
if(r % 2 == 0) res = merge(res, t[r --]);
l /= 2; r /= 2;
}
return res;
}
};
vector<Segtree> t;
void init(int N, vector<int> h) {
n = N;
vector<int> st;
lef.resize(n), rig.resize(n); g.resize(n);
t.resize(n);
dis.assign(n, vector<int> (n, inf));
for(int i = 0; i < n; i ++){
if(h[i] != i + 1) sub1 = 0;
while(!st.empty() && h[st.back()] <= h[i]) st.pop_back();
if(st.empty()) lef[i] = -1;
else lef[i] = st.back();
st.push_back(i);
}
if(sub1) return;
st.clear();
for(int i = n - 1; i >= 0; i --){
while(!st.empty() && h[st.back()] <= h[i]) st.pop_back();
if(st.empty()) rig[i] = n;
else rig[i] = st.back();
st.push_back(i);
}
for(int i = 0; i < n; i ++){
if(~lef[i]) g[i].push_back(lef[i]);
if(rig[i] != n) g[i].push_back(rig[i]);
}
auto bfs = [&](int beg){
queue<int> q; q.push(beg);
dis[beg][beg] = 0;
while(!q.empty()){
int f = q.front(); q.pop();
for(auto u : g[f]){
if(dis[beg][u] != inf) continue;
dis[beg][u] = dis[beg][f] + 1;
q.push(u);
}
}
};
for(int i = 0; i < n; i ++){
bfs(i);
t[i].build(dis[i]);
}
}
int minimum_jumps(int A, int B, int C, int D) {
if(sub1) return C - B;
int mn = inf;
for(int i = A; i <= B; i ++) mn = min(mn, t[i].get(C, D));
return (mn == inf ? -1 : mn);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Runtime error |
596 ms |
1048576 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
496 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
856 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
2 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
600 KB |
Output is correct |
10 |
Correct |
2 ms |
856 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
856 KB |
Output is correct |
13 |
Correct |
1 ms |
856 KB |
Output is correct |
14 |
Correct |
2 ms |
856 KB |
Output is correct |
15 |
Correct |
1 ms |
856 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
2 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
2 ms |
856 KB |
Output is correct |
21 |
Correct |
2 ms |
856 KB |
Output is correct |
22 |
Correct |
1 ms |
856 KB |
Output is correct |
23 |
Correct |
2 ms |
856 KB |
Output is correct |
24 |
Correct |
1 ms |
856 KB |
Output is correct |
25 |
Correct |
0 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
856 KB |
Output is correct |
29 |
Correct |
1 ms |
856 KB |
Output is correct |
30 |
Correct |
1 ms |
856 KB |
Output is correct |
31 |
Correct |
1 ms |
1108 KB |
Output is correct |
32 |
Correct |
2 ms |
856 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
600 KB |
Output is correct |
35 |
Correct |
1 ms |
856 KB |
Output is correct |
36 |
Correct |
1 ms |
856 KB |
Output is correct |
37 |
Correct |
1 ms |
856 KB |
Output is correct |
38 |
Correct |
1 ms |
856 KB |
Output is correct |
39 |
Correct |
1 ms |
856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
496 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
856 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
2 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
600 KB |
Output is correct |
10 |
Correct |
2 ms |
856 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
856 KB |
Output is correct |
13 |
Correct |
1 ms |
856 KB |
Output is correct |
14 |
Correct |
2 ms |
856 KB |
Output is correct |
15 |
Correct |
1 ms |
856 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
2 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
2 ms |
856 KB |
Output is correct |
21 |
Correct |
2 ms |
856 KB |
Output is correct |
22 |
Correct |
1 ms |
856 KB |
Output is correct |
23 |
Correct |
2 ms |
856 KB |
Output is correct |
24 |
Correct |
1 ms |
856 KB |
Output is correct |
25 |
Correct |
0 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
856 KB |
Output is correct |
29 |
Correct |
1 ms |
856 KB |
Output is correct |
30 |
Correct |
1 ms |
856 KB |
Output is correct |
31 |
Correct |
1 ms |
1108 KB |
Output is correct |
32 |
Correct |
2 ms |
856 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
600 KB |
Output is correct |
35 |
Correct |
1 ms |
856 KB |
Output is correct |
36 |
Correct |
1 ms |
856 KB |
Output is correct |
37 |
Correct |
1 ms |
856 KB |
Output is correct |
38 |
Correct |
1 ms |
856 KB |
Output is correct |
39 |
Correct |
1 ms |
856 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
344 KB |
Output is correct |
42 |
Correct |
0 ms |
344 KB |
Output is correct |
43 |
Correct |
1 ms |
344 KB |
Output is correct |
44 |
Correct |
1 ms |
344 KB |
Output is correct |
45 |
Correct |
2 ms |
856 KB |
Output is correct |
46 |
Correct |
1 ms |
600 KB |
Output is correct |
47 |
Correct |
1 ms |
856 KB |
Output is correct |
48 |
Correct |
1 ms |
600 KB |
Output is correct |
49 |
Correct |
2 ms |
856 KB |
Output is correct |
50 |
Correct |
1 ms |
600 KB |
Output is correct |
51 |
Correct |
2 ms |
856 KB |
Output is correct |
52 |
Correct |
2 ms |
856 KB |
Output is correct |
53 |
Correct |
2 ms |
856 KB |
Output is correct |
54 |
Correct |
1 ms |
856 KB |
Output is correct |
55 |
Correct |
1 ms |
856 KB |
Output is correct |
56 |
Correct |
2 ms |
856 KB |
Output is correct |
57 |
Correct |
1 ms |
856 KB |
Output is correct |
58 |
Correct |
62 ms |
34784 KB |
Output is correct |
59 |
Correct |
92 ms |
47692 KB |
Output is correct |
60 |
Correct |
10 ms |
8536 KB |
Output is correct |
61 |
Correct |
97 ms |
47724 KB |
Output is correct |
62 |
Correct |
7 ms |
856 KB |
Output is correct |
63 |
Correct |
89 ms |
47704 KB |
Output is correct |
64 |
Correct |
14 ms |
16472 KB |
Output is correct |
65 |
Correct |
119 ms |
47772 KB |
Output is correct |
66 |
Correct |
112 ms |
47952 KB |
Output is correct |
67 |
Correct |
101 ms |
47688 KB |
Output is correct |
68 |
Correct |
93 ms |
47704 KB |
Output is correct |
69 |
Correct |
72 ms |
47700 KB |
Output is correct |
70 |
Correct |
51 ms |
47704 KB |
Output is correct |
71 |
Correct |
0 ms |
340 KB |
Output is correct |
72 |
Correct |
0 ms |
344 KB |
Output is correct |
73 |
Correct |
2 ms |
1016 KB |
Output is correct |
74 |
Correct |
1 ms |
856 KB |
Output is correct |
75 |
Correct |
1 ms |
856 KB |
Output is correct |
76 |
Correct |
2 ms |
856 KB |
Output is correct |
77 |
Correct |
2 ms |
856 KB |
Output is correct |
78 |
Correct |
0 ms |
344 KB |
Output is correct |
79 |
Correct |
0 ms |
344 KB |
Output is correct |
80 |
Correct |
1 ms |
344 KB |
Output is correct |
81 |
Correct |
1 ms |
856 KB |
Output is correct |
82 |
Correct |
1 ms |
856 KB |
Output is correct |
83 |
Correct |
1 ms |
856 KB |
Output is correct |
84 |
Correct |
1 ms |
856 KB |
Output is correct |
85 |
Correct |
1 ms |
856 KB |
Output is correct |
86 |
Correct |
1 ms |
344 KB |
Output is correct |
87 |
Correct |
0 ms |
600 KB |
Output is correct |
88 |
Correct |
1 ms |
856 KB |
Output is correct |
89 |
Correct |
1 ms |
856 KB |
Output is correct |
90 |
Correct |
1 ms |
856 KB |
Output is correct |
91 |
Correct |
1 ms |
856 KB |
Output is correct |
92 |
Correct |
1 ms |
856 KB |
Output is correct |
93 |
Correct |
1 ms |
856 KB |
Output is correct |
94 |
Correct |
2 ms |
1112 KB |
Output is correct |
95 |
Correct |
49 ms |
47692 KB |
Output is correct |
96 |
Correct |
52 ms |
47952 KB |
Output is correct |
97 |
Correct |
58 ms |
47684 KB |
Output is correct |
98 |
Correct |
54 ms |
47704 KB |
Output is correct |
99 |
Correct |
63 ms |
47696 KB |
Output is correct |
100 |
Correct |
1 ms |
856 KB |
Output is correct |
101 |
Correct |
6 ms |
7000 KB |
Output is correct |
102 |
Correct |
40 ms |
47932 KB |
Output is correct |
103 |
Correct |
48 ms |
47808 KB |
Output is correct |
104 |
Correct |
36 ms |
47704 KB |
Output is correct |
105 |
Correct |
42 ms |
47704 KB |
Output is correct |
106 |
Correct |
48 ms |
47696 KB |
Output is correct |
107 |
Correct |
1 ms |
856 KB |
Output is correct |
108 |
Correct |
6 ms |
10584 KB |
Output is correct |
109 |
Correct |
25 ms |
47688 KB |
Output is correct |
110 |
Correct |
38 ms |
47700 KB |
Output is correct |
111 |
Correct |
26 ms |
47688 KB |
Output is correct |
112 |
Correct |
34 ms |
47440 KB |
Output is correct |
113 |
Correct |
36 ms |
47700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Runtime error |
381 ms |
1048576 KB |
Execution killed with signal 9 |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Runtime error |
364 ms |
1048576 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Runtime error |
364 ms |
1048576 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Runtime error |
596 ms |
1048576 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |