Borderou de evaluare (job #86403)

Compilare: user.cpp: In function ‘int index(char)’: user.cpp:10:11: warning: unused variable ‘val’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:26:16: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000001]’ [-Wformat] user.cpp:23:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int index(char)’: user.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type]