joc3.cpp: In function 'int main()': joc3.cpp:18: warning: unused variable 'b' joc3.cpp:18: warning: unused variable 'c' joc3.cpp:18: warning: unused variable 'x' joc3.cpp:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result joc3.cpp:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result