Compilare: main.cpp: In function 'void back(int)': main.cpp:24:13: warning: comparison of constant '0' with boolean expression is always true [-Wbool-compare] 24 | if(gasit>=0) | ~~~~~^~~ main.cpp:33:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 33 | if(p==1) | ^~ main.cpp:36:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 36 | gasit=1; | ^~~~~ main.cpp:30:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 30 | if(OK(k)) | ^