#include<bits/stdc++.h> #include"cave.h" #define ll long long #define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0) using namespace std; void exploreCave(int n){ int s[n],d[n],v[n+1]; for(int i=0;i<n;i++)s[i]=0,d[i]=i,v[i]=0; auto ok=[&](int x,int r,int f)->bool{ int t[n]; for(int i=0;i<n;i++)t[i]=s[i]; if(f)for(int i=0;i<=r;i++)if(!v[i])t[i]^=1; else for(int i=r+1;i<n;i++)if(!v[i])t[i]^=1; return tryCombination(t)!=x; }; for(int i=0;i<n;i++){ int pos=tryCombination(s),lk=0; if(pos==i)lk=1; int l=0,r=n-1,ans=0,m; while(l<=r)int m=(l+r)>>1,ok(i,m,lk)?(ans=m,r=m-1):l=m+1; s[ans]^=lk,v[ans]=1,d[ans]=i; } answer(s,d); }

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:20:52: error: expression list treated as compound expression in initializer [-fpermissive]
   20 |                 while(l<=r)int m=(l+r)>>1,ok(i,m,lk)?(ans=m,r=m-1):l=m+1;
      |                                                    ^
cave.cpp:20:53: error: expected ',' or ';' before '?' token
   20 |                 while(l<=r)int m=(l+r)>>1,ok(i,m,lk)?(ans=m,r=m-1):l=m+1;
      |                                                     ^