unific.cpp: In function 'int comune(long long int, long long int)': unific.cpp:23: warning: suggest parentheses around '&&' within '||' unific.cpp: In function 'int main()': unific.cpp:95: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result unific.cpp:103: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result unific.cpp:93: warning: 'cf' may be used uninitialized in this function