cuburi.cpp: In function 'int main()': cuburi.cpp:37: warning: unused variable 'v' cuburi.cpp:37: warning: unused variable 'nr' cuburi.cpp:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cuburi.cpp:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cuburi.cpp:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result