Compilare: user.cpp: In function ‘int main(int, const char**)’: user.cpp:81:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (calMin = 0; calMin < calSortat.size(); calMin++) ^ user.cpp:56:19: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] stdin); ^ user.cpp:57:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("coach.out", "w", stdout); ^ user.cpp:76:29: warning: ‘calMax’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nodS, nodF, calMin, calMax; ^