/**
* Prof.Nicola
**/
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
template<class T>void re(T&x){cin>>x;}
template<class T1,class T2> void re(pair<T1,T2>&x){re(x.first);re(x.second);}
template<class T>void re(vector<T>&x){for(long i=0;i<x.size();i++){re(x[i]);}}
template<class T>void re(deque<T>&x){for(long i=0;i<x.size();i++){re(x[i]);}}
template<class T1,class T2> pair<T1,T2> mp(T1&x,T2&z){return make_pair(x,z);}
long long n,turn[5001]={};
vector<long>arr;
set<long>s;
set<long>::iterator t;
void con(long l,long r)
{
t=s.begin();
for(long i=0;i<s.size();i++){
arr[*t]=turn[*t];
t++;
}
for(long i=0;i<n&&r>=0;i++){
if(!s.count(i)){
if(l){
l--;
continue;
}
arr[i]=(arr[i]^1);
r--;
}
}
}
long long bin(long long l,long long r,long long x)
{
long long mid,a[n];
while(l<r){
mid=(l+r)/2;
con(l,mid);
for(long i=0;i<n;i++){
a[i]=arr[i];
}
if(tryCombination(a)==x){
l=mid+1;
}
else{
con(l,mid);
r=mid;
}
}
return l;
}
void exploreCave(int N) {
n=N;
arr.resize(n);
long sw[n]={},a[n],ans[n]={};
long x;
for(long i=0;i<N;i++){
for(long i=0;i<n;i++){
a[i]=arr[i];
}
if(tryCombination(a)!=i){
con(0,N-i);
}
x=bin(0,N-i,i);
ans[x]=i;
sw[i]=(arr[i]^1);
turn[i]=sw[i];
s.insert(x);
}
answer(sw,ans);
}
Compilation message
cave.cpp: In function 'void con(long int, long int)':
cave.cpp:20:19: warning: comparison of integer expressions of different signedness: 'long int' and 'std::set<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | for(long i=0;i<s.size();i++){
| ~^~~~~~~~~
cave.cpp: In function 'long long int bin(long long int, long long int, long long int)':
cave.cpp:44:27: error: cannot convert 'long long int*' to 'int*'
44 | if(tryCombination(a)==x){
| ^
| |
| long long int*
In file included from cave.cpp:4:
cave.h:8:24: note: initializing argument 1 of 'int tryCombination(int*)'
8 | int tryCombination(int S[]);
| ~~~~^~~
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:63:27: error: cannot convert 'long int*' to 'int*'
63 | if(tryCombination(a)!=i){
| ^
| |
| long int*
In file included from cave.cpp:4:
cave.h:8:24: note: initializing argument 1 of 'int tryCombination(int*)'
8 | int tryCombination(int S[]);
| ~~~~^~~
cave.cpp:72:12: error: cannot convert 'long int*' to 'int*'
72 | answer(sw,ans);
| ^~
| |
| long int*
In file included from cave.cpp:4:
cave.h:9:17: note: initializing argument 1 of 'void answer(int*, int*)'
9 | void answer(int S[], int D[]);
| ~~~~^~~
