autostrazi.cpp: In function 'void DinamicProgramming(int, int)': autostrazi.cpp:21: warning: comparison between signed and unsigned integer expressions autostrazi.cpp:15: warning: unused variable 'sons' autostrazi.cpp: In function 'int main()': autostrazi.cpp:52: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result autostrazi.cpp:53: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result autostrazi.cpp:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result autostrazi.cpp:57: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result autostrazi.cpp:60: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result