Borderou de evaluare (job #16526)

Compilare: user.cpp: In function ‘int main()’: user.cpp:13:22: warning: format ‘%c’ expects argument of type ‘char*’, but argument 2 has type ‘int’ [-Wformat] user.cpp:5:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:5: warning: ‘c’ is used uninitialized in this function [-Wuninitialized]