#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> v,a,b;
void init(int N, vector<int> H) {
n=N;
v=H;
a.resize(n,-1);
b.resize(n,-1);
vector<int> st;
for(int i=0;i<n;i++){
while(st.size()&&v[st.back()]<v[i]){
st.pop_back();
}
a[i]=(st.size()?st.back():-1);
st.push_back(i);
}
st.clear();
for(int i=n-1;i>=0;i--){
while(st.size()&&v[st.back()]<v[i]){
st.pop_back();
}
b[i]=(st.size()?st.back():-1);
st.push_back(i);
}
}
int minimum_jumps(int A, int B, int C, int D) {
int ans=0;
if(v[A]>v[B])return -1;
int now=A;
while(now!=C){
if(a[now]==-1&&b[now]==-1){
return -1;
}
if(a[now]==-1)now=b[now];
else if(b[now]==-1)now=a[now];
else{
int g1=a[now],g2=b[now];
if(v[g1]<v[g2])swap(g1,g2);
if(v[g1]<=v[C])now=g1;
else if(v[g2]<=v[C])now=g2;
else return -1;
}
ans++;
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
1558 ms |
4504 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
145 ms |
2220 KB |
Output is correct |
5 |
Correct |
619 ms |
4472 KB |
Output is correct |
6 |
Correct |
399 ms |
972 KB |
Output is correct |
7 |
Correct |
537 ms |
4292 KB |
Output is correct |
8 |
Correct |
385 ms |
1736 KB |
Output is correct |
9 |
Correct |
581 ms |
4300 KB |
Output is correct |
10 |
Execution timed out |
4078 ms |
5440 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
145 ms |
2220 KB |
Output is correct |
5 |
Correct |
619 ms |
4472 KB |
Output is correct |
6 |
Correct |
399 ms |
972 KB |
Output is correct |
7 |
Correct |
537 ms |
4292 KB |
Output is correct |
8 |
Correct |
385 ms |
1736 KB |
Output is correct |
9 |
Correct |
581 ms |
4300 KB |
Output is correct |
10 |
Execution timed out |
4078 ms |
5440 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
1558 ms |
4504 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |