#include "jumps.h"
#include <vector>
#include <bits/stdc++.h>
//#include "stub.cpp"
using namespace std;
const int N=2002;
int n;
int dist[N];
vector<int> adj[N];
void init(int NP, std::vector<int> h) {
n=NP;
set<int> spl;
vector<pair<int,int>> pp;
for(int j=0;j<n;j++)
pp.push_back({h[j],j});
sort(begin(pp),end(pp));
for(int j=n-1;j>=0;j--)
{
auto it = spl.upper_bound(pp[j].second);
if(it!=end(spl))
{
// cout<<*it<<' ';
adj[pp[j].second].push_back(*it);
}
if(it!=begin(spl))
{
it--;
// cout<<*it<<' ';
adj[pp[j].second].push_back(*it);
}
// cout<<endl;
spl.insert(pp[j].second);
}
}
int minimum_jumps(int a, int b, int c, int d) {
int ans=0;
bool reach=0;
for(int j=1;j<=n;j++)
dist[j]=2e9;
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
for(int st=a;st<=b;st++)
{
dist[st]=0;
pq.push({dist[st],st});
}
while(pq.size())
{
auto it=pq.top();
if(c<=it.second and it.second<=d)
return it.first;
pq.pop();
if(dist[it.second]==it.first)
for(auto dj:adj[it.second])
if(dist[dj]>(dist[it.second]+1))
{
dist[dj]=dist[it.second]+1;
pq.push({dist[dj],dj});
}
}
return -1;
}
Compilation message
jumps.cpp: In function 'int minimum_jumps(int, int, int, int)':
jumps.cpp:42:7: warning: unused variable 'ans' [-Wunused-variable]
42 | int ans=0;
| ^~~
jumps.cpp:43:8: warning: unused variable 'reach' [-Wunused-variable]
43 | bool reach=0;
| ^~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Runtime error |
17 ms |
5840 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
10 |
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 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Runtime error |
28 ms |
5824 KB |
Execution killed with signal 11 |
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 |
15 ms |
3788 KB |
Execution killed with signal 11 |
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 |
15 ms |
3788 KB |
Execution killed with signal 11 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Runtime error |
17 ms |
5840 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |