datorii.cpp: In function 'int calc(int)': datorii.cpp:38: warning: comparison between signed and unsigned integer expressions datorii.cpp:30: warning: unused variable 's1' datorii.cpp:30: warning: unused variable 'j' datorii.cpp:30: warning: unused variable 'msk1' datorii.cpp:30: warning: unused variable 'msk2' datorii.cpp:30: warning: unused variable 'M' datorii.cpp:30: warning: unused variable 'ip' datorii.cpp:30: warning: unused variable 'jp' datorii.cpp:30: warning: unused variable 'btcnt' datorii.cpp: In function 'int main()': datorii.cpp:62: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result datorii.cpp:63: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result datorii.cpp:64: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result datorii.cpp:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result datorii.cpp:68: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result