Borderou de evaluare (job #233829)

Compilare: user.cpp: In function ‘int main()’: user.cpp:25:10: warning: statement has no effect [-Wunused-value] user.cpp: In function ‘void doOp(int, char, int, int)’: user.cpp:50:13: warning: statement has no effect [-Wunused-value] user.cpp: In function ‘int main()’: user.cpp:20:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]