Compilare: user.cpp: In function ‘int main()’: user.cpp:31:3: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation] else ^~~~ user.cpp:34:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’ if ( nr == 0 and m - k == 1 and (n[i] - '0' )% 4 == 0) ^~ user.cpp:24:6: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nr,kramas,mramas,adn; ^~