#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
const int N = 3e5 + 5;
const int oo = 1e9 + 7, mod = 1e9 + 7;
int n, h[N];
int nxtl[N], nxtr[N];
int small_jump[N][20], large_jump[N][20];
ii mx[N][20];
void init(int _n, vector<int> _H){
n = _n;
for(int i = 1; i <= n; i++) h[i] = _H[i - 1];
h[0] = h[n + 1] = oo;
stack<int> stk;
stk.push(0);
for(int i = 1; i <= n; i++){
while(h[stk.top()] < h[i]) stk.pop();
nxtl[i] = stk.top();
stk.push(i);
}
//return;
while(!stk.empty()) stk.pop();
stk.push(n + 1);
for(int i = n; i >= 1; i--){
while(h[stk.top()] < h[i]) stk.pop();
nxtr[i] = stk.top();
stk.push(i);
}
//return;
for(int i = 1; i <= n; i++){
small_jump[i][0] = (h[nxtl[i]] < h[nxtr[i]] ? nxtl[i] : nxtr[i]);
large_jump[i][0] = (h[nxtl[i]] > h[nxtr[i]] ? nxtl[i] : nxtr[i]);
}
for(int i = 1; i <= n; i++) mx[i][0] = {h[i], i};
for(int i = 1; i <= 19; i++){
for(int j = 1; (j + (1LL << i) - 1) <= n; j++) mx[j][i] = max(mx[j][i - 1], mx[j + (1LL << (i - 1))][i - 1]);
}
for(int i = 1; i <= 19; i++){
for(int j = 1; j <= n; j++){
small_jump[j][i] = small_jump[small_jump[j][i - 1]][i - 1];
large_jump[j][i] = large_jump[large_jump[j][i - 1]][i - 1];
}
}
}
ii maxi(int l, int r){
if(l > r) return {-oo, -oo};
int k = log2(r - l + 1);
return max(mx[l][k], mx[r - (1LL << k) + 1][k]);
}
int minimum_jumps(int a, int b, int c, int d){
//return -1;
a++, b++, c++, d++;
assert(a == b && c == d);
int answer = 0;
for(int i = 19; i >= 0; i--){
if(h[large_jump[a][i]] <= h[c]){
answer += (1LL << i);
a = large_jump[a][i];
}
}
for(int i = 19; i >= 0; i--){
if(h[small_jump[a][i]] <= h[c]){
answer += (1LL << i);
a = small_jump[a][i];
}
}
if(a != c) return -1;
else return answer;
}
/*
void process(){
}
signed main(){
ios_base::sync_with_stdio(0);
process();
}*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Runtime error |
145 ms |
106804 KB |
Execution killed with signal 6 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
456 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
456 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
456 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
328 KB |
Output is correct |
4 |
Correct |
365 ms |
30616 KB |
Output is correct |
5 |
Correct |
931 ms |
66860 KB |
Output is correct |
6 |
Correct |
803 ms |
11284 KB |
Output is correct |
7 |
Correct |
1018 ms |
66856 KB |
Output is correct |
8 |
Correct |
627 ms |
23192 KB |
Output is correct |
9 |
Correct |
1139 ms |
66932 KB |
Output is correct |
10 |
Correct |
1227 ms |
67608 KB |
Output is correct |
11 |
Correct |
1347 ms |
67616 KB |
Output is correct |
12 |
Correct |
1008 ms |
67500 KB |
Output is correct |
13 |
Correct |
1190 ms |
66856 KB |
Output is correct |
14 |
Correct |
1206 ms |
67192 KB |
Output is correct |
15 |
Correct |
1031 ms |
67612 KB |
Output is correct |
16 |
Correct |
974 ms |
67628 KB |
Output is correct |
17 |
Correct |
0 ms |
200 KB |
Output is correct |
18 |
Correct |
0 ms |
328 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
3 ms |
328 KB |
Output is correct |
21 |
Correct |
3 ms |
328 KB |
Output is correct |
22 |
Correct |
2 ms |
328 KB |
Output is correct |
23 |
Correct |
2 ms |
328 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
0 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
456 KB |
Output is correct |
27 |
Correct |
19 ms |
968 KB |
Output is correct |
28 |
Correct |
18 ms |
968 KB |
Output is correct |
29 |
Correct |
27 ms |
940 KB |
Output is correct |
30 |
Correct |
20 ms |
968 KB |
Output is correct |
31 |
Correct |
21 ms |
968 KB |
Output is correct |
32 |
Correct |
0 ms |
328 KB |
Output is correct |
33 |
Correct |
73 ms |
38812 KB |
Output is correct |
34 |
Correct |
134 ms |
66752 KB |
Output is correct |
35 |
Correct |
119 ms |
67472 KB |
Output is correct |
36 |
Correct |
129 ms |
66856 KB |
Output is correct |
37 |
Correct |
182 ms |
67164 KB |
Output is correct |
38 |
Correct |
125 ms |
67596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
328 KB |
Output is correct |
4 |
Correct |
365 ms |
30616 KB |
Output is correct |
5 |
Correct |
931 ms |
66860 KB |
Output is correct |
6 |
Correct |
803 ms |
11284 KB |
Output is correct |
7 |
Correct |
1018 ms |
66856 KB |
Output is correct |
8 |
Correct |
627 ms |
23192 KB |
Output is correct |
9 |
Correct |
1139 ms |
66932 KB |
Output is correct |
10 |
Correct |
1227 ms |
67608 KB |
Output is correct |
11 |
Correct |
1347 ms |
67616 KB |
Output is correct |
12 |
Correct |
1008 ms |
67500 KB |
Output is correct |
13 |
Correct |
1190 ms |
66856 KB |
Output is correct |
14 |
Correct |
1206 ms |
67192 KB |
Output is correct |
15 |
Correct |
1031 ms |
67612 KB |
Output is correct |
16 |
Correct |
974 ms |
67628 KB |
Output is correct |
17 |
Correct |
0 ms |
200 KB |
Output is correct |
18 |
Correct |
0 ms |
328 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
3 ms |
328 KB |
Output is correct |
21 |
Correct |
3 ms |
328 KB |
Output is correct |
22 |
Correct |
2 ms |
328 KB |
Output is correct |
23 |
Correct |
2 ms |
328 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
0 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
456 KB |
Output is correct |
27 |
Correct |
19 ms |
968 KB |
Output is correct |
28 |
Correct |
18 ms |
968 KB |
Output is correct |
29 |
Correct |
27 ms |
940 KB |
Output is correct |
30 |
Correct |
20 ms |
968 KB |
Output is correct |
31 |
Correct |
21 ms |
968 KB |
Output is correct |
32 |
Correct |
0 ms |
328 KB |
Output is correct |
33 |
Correct |
73 ms |
38812 KB |
Output is correct |
34 |
Correct |
134 ms |
66752 KB |
Output is correct |
35 |
Correct |
119 ms |
67472 KB |
Output is correct |
36 |
Correct |
129 ms |
66856 KB |
Output is correct |
37 |
Correct |
182 ms |
67164 KB |
Output is correct |
38 |
Correct |
125 ms |
67596 KB |
Output is correct |
39 |
Correct |
0 ms |
328 KB |
Output is correct |
40 |
Correct |
0 ms |
328 KB |
Output is correct |
41 |
Correct |
0 ms |
328 KB |
Output is correct |
42 |
Correct |
177 ms |
30616 KB |
Output is correct |
43 |
Correct |
787 ms |
66856 KB |
Output is correct |
44 |
Correct |
459 ms |
11312 KB |
Output is correct |
45 |
Correct |
917 ms |
66828 KB |
Output is correct |
46 |
Correct |
514 ms |
23192 KB |
Output is correct |
47 |
Correct |
1016 ms |
66796 KB |
Output is correct |
48 |
Correct |
1183 ms |
67596 KB |
Output is correct |
49 |
Correct |
811 ms |
67612 KB |
Output is correct |
50 |
Correct |
743 ms |
67472 KB |
Output is correct |
51 |
Correct |
768 ms |
66832 KB |
Output is correct |
52 |
Correct |
789 ms |
67164 KB |
Output is correct |
53 |
Correct |
1130 ms |
67596 KB |
Output is correct |
54 |
Correct |
976 ms |
67628 KB |
Output is correct |
55 |
Correct |
1 ms |
328 KB |
Output is correct |
56 |
Runtime error |
181 ms |
133260 KB |
Execution killed with signal 6 |
57 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Runtime error |
145 ms |
106804 KB |
Execution killed with signal 6 |
4 |
Halted |
0 ms |
0 KB |
- |