#include "coins.h"
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
vector<int> flips;
for(int i=0;i<8;++i){
int tmp=((c&(1<<i))==(1<<i));
if(tmp==1 && b[i]==0) flips.push_back(i);
if(tmp==0 && b[i]==1) flips.push_back(i);
}
if(flips.size()==0) flips.push_back(63);
return flips;
}
int find_coin(vector<int> b) {
int ans=0;
for(int i=0;i<8;++i){
if(b[i]){
ans+=(1<<i);
}
}
return ans;
}
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