clepsidru.cpp: In function 'int main()': clepsidru.cpp:13: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result clepsidru.cpp:18: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result clepsidru.cpp:9: warning: 'sens' may be used uninitialized in this function