Compilare: main.cpp: In member function 'void Normalizer::normalize()': main.cpp:37:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < ord.size(); i++) ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bazar.in", "r", stdin); ^ main.cpp:120:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bazar.out", "w", stdout); ^ main.cpp:123:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ main.cpp:128:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^