unific.cpp: In function 'long long int unific(long long int, long long int)': unific.cpp:30: warning: unused variable 'ok2' unific.cpp: In function 'int main()': unific.cpp:91: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result unific.cpp:92: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result unific.cpp:96: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result unific.cpp: In function 'long long int unific(long long int, long long int)': unific.cpp:37: warning: 'cy' is used uninitialized in this function