Borderou de evaluare (job #372178)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:9:17: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:9:21: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:9:25: warning: unused variable ‘n’ [-Wunused-variable] user.cpp:9:29: warning: unused variable ‘l’ [-Wunused-variable] 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:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]