coins.cpp:2:25: error: expected ';' before ',' token
2 | using v=std::vector<int>, F=for(int i=0;i<64;i++)c^=b[i]*i;return{c};}
| ^
| ;
coins.cpp:2:41: error: 'i' does not name a type
2 | using v=std::vector<int>, F=for(int i=0;i<64;i++)c^=b[i]*i;return{c};}
| ^
coins.cpp:2:46: error: 'i' does not name a type
2 | using v=std::vector<int>, F=for(int i=0;i<64;i++)c^=b[i]*i;return{c};}
| ^
coins.cpp:2:60: error: expected unqualified-id before 'return'
2 | using v=std::vector<int>, F=for(int i=0;i<64;i++)c^=b[i]*i;return{c};}
| ^~~~~~
coins.cpp:2:70: error: expected declaration before '}' token
2 | using v=std::vector<int>, F=for(int i=0;i<64;i++)c^=b[i]*i;return{c};}
| ^
coins.cpp:3:1: error: 'v' does not name a type
3 | v coin_flips(v b,int c){F
| ^