Borderou de evaluare (job #147593)

Compilare: user.cpp: In function ‘int main()’: user.cpp:23:21: warning: unused variable ‘ci’ [-Wunused-variable] user.cpp:21:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:22:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int todig(char)’: user.cpp:15:1: warning: control reaches end of non-void function [-Wreturn-type]