iepuri.cpp: In function 'void cit()': iepuri.cpp:20: warning: comparison between signed and unsigned integer expressions iepuri.cpp:26: warning: comparison between signed and unsigned integer expressions iepuri.cpp:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result iepuri.cpp:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result iepuri.cpp: In function 'void pd2(unsigned int)': iepuri.cpp:37: warning: comparison between signed and unsigned integer expressions iepuri.cpp:42: warning: comparison between signed and unsigned integer expressions iepuri.cpp: In function 'int main()': iepuri.cpp:91: warning: unused variable 'j' iepuri.cpp:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result iepuri.cpp:82: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result