Eroare de compilare: main.cpp: In function 'void back(int)': main.cpp:3:12: error: 'n' was not declared in this scope for(v=1;v<=n;v++) ^ main.cpp:4:3: error: 'st' was not declared in this scope {st[k]=v; ^~ main.cpp:5:13: error: 'valid' was not declared in this scope if (valid(k)); ^ main.cpp:5:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (valid(k)); ^~ main.cpp:6:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(k==n) ^~ main.cpp:7:13: error: 'afisare' was not declared in this scope afisare(n); ^ Non zero exit status: 1