Compilare: user.cpp: In function ‘void Read()’: user.cpp:11:9: warning: unused variable ‘x’ [-Wunused-variable] int x; ^ user.cpp: In function ‘int Partition(int, int, int)’: user.cpp:19:9: warning: unused variable ‘crt’ [-Wunused-variable] int crt = li; ^ user.cpp: In function ‘void Read()’: user.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&N,&K); ^ user.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&A[i]); ^ user.cpp: In function ‘int main()’: user.cpp:46:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sdo.in","r",stdin); ^ user.cpp:47:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sdo.out","w",stdout); ^