Compilare: main.cpp: In function 'int main()': main.cpp:53:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < flori.size(); i++ ) ~~^~~~~~~~~~~~~~ main.cpp:54:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int j = i + 1; j < flori.size(); j++ ) { ~~^~~~~~~~~~~~~~ main.cpp: In function 'char getch()': main.cpp:18:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread( buffer, 1, buffSize, fin ); ^