Borderou de evaluare (job #20312)

Eroare de compilare: user.cpp: In function 'int main()': user.cpp:9:5: error: 'c' was not declared in this scope user.cpp:12:31: error: 'sqrt' was not declared in this scope user.cpp:20:5: error: 'count' was not declared in this scope user.cpp:26:13: error: 'st' was not declared in this scope user.cpp:5:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]