Borderou de evaluare (job #11668)

Compilare: user.cpp: In function 'int main()': user.cpp:40:14: warning: unused variable 'pp2' [-Wunused-variable] user.cpp:14:5: warning: unused variable 'j' [-Wunused-variable] user.cpp:15:10: warning: unused variable 'cnn' [-Wunused-variable] user.cpp:15:16: warning: unused variable 'c2' [-Wunused-variable] user.cpp:15:19: warning: unused variable 'c3' [-Wunused-variable] user.cpp:28:7: warning: unused variable 'aux' [-Wunused-variable] user.cpp:6:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:5: warning: 'x2' may be used uninitialized in this function [-Wuninitialized] user.cpp:4:5: warning: 'i' may be used uninitialized in this function [-Wuninitialized] user.cpp:43:9: warning: 'x' may be used uninitialized in this function [-Wuninitialized]