Borderou de evaluare (job #48040)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:16: error: ‘v’ was not declared in this scope user.cpp:27:29: error: expected ‘)’ before ‘v’ user.cpp:27:33: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat] user.cpp:43:19: error: ‘v’ was not declared in this scope user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]