Borderou de evaluare (job #82530)

Eroare de compilare: user.cpp: In function ‘void prelucrare()’: user.cpp:21:5: error: ‘__int64’ was not declared in this scope user.cpp:21:13: error: expected ‘;’ before ‘a’ user.cpp:24:9: error: ‘a’ was not declared in this scope user.cpp:26:8: error: ‘a’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:44:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:45:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:46:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:47:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:48:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]