Compilare: user.cpp: In function ‘void Do()’: user.cpp:67:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 1; i < A.size(); ++i ) ~~^~~~~~~~~~ user.cpp:78:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 1; i < A.size() - 1; ++i ) ~~^~~~~~~~~~~~~~ user.cpp:86:8: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for( int j = pos; j < i; ++j ) ^~~ user.cpp:93:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ if( cercuri > max_cercuri ) ^~