ziduri.cpp: In function 'int main()': ziduri.cpp:74: warning: comparison between signed and unsigned integer expressions ziduri.cpp:32: warning: unused variable 'j' ziduri.cpp:32: warning: unused variable 'mini' ziduri.cpp:32: warning: unused variable 'nd' ziduri.cpp:32: warning: unused variable 'd' ziduri.cpp:32: warning: unused variable 'nod' ziduri.cpp:32: warning: unused variable 's' ziduri.cpp:32: warning: unused variable 'node' ziduri.cpp:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ziduri.cpp:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ziduri.cpp:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ziduri.cpp:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result