#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll N=2e5+9,M=2e18+9,mod=1e9+7;
bool vis[N];
pair<ll,ll>p;
vector<ll>v[N];
ll a[N],n,x,y,z;
queue<pair<ll,ll>>q;
void init(int m,vector<int>h)
{
n=m;
for(ll i=0;i<n;++i)a[i]=h[i];
for(ll i=0;i<n;++i)
{
for(ll j=i-1;j>=0;--j)
{
if(a[j]>a[i])
{
v[i].push_back(j);
break;
}
}
for(ll j=i+1;j<n;++j)
{
if(a[j]>a[i])
{
v[i].push_back(j);
break;
}
}
}
}
int minimum_jumps(int A, int B, int C, int D)
{
x=-1;
for(ll i=A;i<=B;++i)
{
q.push({i,0});
memset(vis,false,sizeof vis);
while(q.size())
{
p=q.front();
q.pop();
if(vis[p.first])continue;
vis[p.first]=1;
if(C<=p.first && p.first<=D)
x=(x==-1?p.second:min(x,p.second));
++p.second;
for(auto j:v[p.first])q.push({j,p.second});
}
}
}
return x;
}
Compilation message
jumps.cpp: In function 'int minimum_jumps(int, int, int, int)':
jumps.cpp:59:5: warning: no return statement in function returning non-void [-Wreturn-type]
59 | }
| ^
jumps.cpp: At global scope:
jumps.cpp:60:5: error: expected unqualified-id before 'return'
60 | return x;
| ^~~~~~
jumps.cpp:61:1: error: expected declaration before '}' token
61 | }
| ^
