Borderou de evaluare (job #83473)

Compilare: user.cpp: In function ‘int main()’: user.cpp:22:11: warning: unused variable ‘fin’ [-Wunused-variable] user.cpp:22:17: warning: unused variable ‘fout’ [-Wunused-variable] user.cpp:25:43: warning: unused variable ‘u’ [-Wunused-variable] user.cpp:25:45: warning: unused variable ‘p’ [-Wunused-variable] user.cpp:23:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:29:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:52:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:74:5: warning: ‘l2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:74:5: warning: ‘l1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:79:5: warning: ‘l4’ may be used uninitialized in this function [-Wuninitialized] user.cpp:79:5: warning: ‘l3’ may be used uninitialized in this function [-Wuninitialized]