Borderou de evaluare (job #42011)

Eroare de compilare: user.cpp: In function ‘int random_partition(int*, int, int)’: user.cpp:8:20: error: ‘time’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:52:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:53:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:54:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:56:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int random_selection(int*, int, int, int)’: user.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type]