Borderou de evaluare (job #11680)

Compilare: user.cpp: In function 'int main()': user.cpp:37:14: warning: unused variable 'pp2' [-Wunused-variable] user.cpp:8:7: warning: unused variable 'k' [-Wunused-variable] user.cpp:11:5: warning: unused variable 'j' [-Wunused-variable] user.cpp:12:10: warning: unused variable 'cnn' [-Wunused-variable] user.cpp:12:16: warning: unused variable 'c2' [-Wunused-variable] user.cpp:12:19: warning: unused variable 'c3' [-Wunused-variable] user.cpp:25:7: warning: unused variable 'aux' [-Wunused-variable] user.cpp:6:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:9: warning: 'x' may be used uninitialized in this function [-Wuninitialized]