cladiri1.cpp: In function 'int main()': cladiri1.cpp:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cladiri1.cpp:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cladiri1.cpp:55: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cladiri1.cpp:10: warning: 'c1' may be used uninitialized in this function cladiri1.cpp:10: warning: 'c2' may be used uninitialized in this function cladiri1.cpp:10: warning: 'c3' may be used uninitialized in this function