cave.cpp:7:1: error: expected initializer before 'int'
7 | int F [ 5000 ] ;
| ^~~
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:12:35: error: 'w' was not declared in this scope
12 | if ( ( 1 << i ) & j ) w [ i ] [ j ] = 1 ;
| ^
cave.cpp:17:30: error: 'w' was not declared in this scope
17 | y = tryCombination ( w [ 13 ] ) ;
| ^
cave.cpp:28:9: error: 'F' was not declared in this scope
28 | F [ x ] = i ;
| ^
cave.cpp:30:14: error: 'w' was not declared in this scope
30 | answer ( w [ 0 ] , F ) ;
| ^
cave.cpp:30:24: error: 'F' was not declared in this scope
30 | answer ( w [ 0 ] , F ) ;
| ^