Compilare: user.cpp: In function ‘int main()’: user.cpp:32:30: warning: variable ‘ind’ set but not used [-Wunused-but-set-variable] int n, m, k, i, p, x, y,j,b,ind,ind2; ^ user.cpp:32:34: warning: unused variable ‘ind2’ [-Wunused-variable] int n, m, k, i, p, x, y,j,b,ind,ind2; ^ user.cpp:34:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d\n", &n, &m, &k, &p); ^ user.cpp:37:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n", &x, &y); ^