Compilare: user.cpp: In function ‘int main()’: user.cpp:65:16: warning: unused variable ‘pos_2’ [-Wunused-variable] int pos_1, pos_2; ^ user.cpp: In function ‘void ReadInput()’: user.cpp:21:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &K); ^ user.cpp:23:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^