Borderou de evaluare (job #123166)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:10: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:19:6: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:19:8: warning: unused variable ‘ini’ [-Wunused-variable] user.cpp:7:26: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:23: warning: ‘st’ may be used uninitialized in this function [-Wuninitialized]