#include <stdio.h>

enum HANDLE_STATE {
 HANDLE_CREAT,
 HANDLE_DESTR
};

struct Vektor {
 int count;
 int *v;
}; struct Vektor_raiicpp; static inline void Vektor_lifetime_handler( enum HANDLE_STATE state, struct Vektor_raiicpp *self, void *data); struct Vektor_raiicpp : public Vektor { inline Vektor_raiicpp(void *data) { Vektor_lifetime_handler(HANDLE_CREAT, this, data); } inline ~Vektor_raiicpp() { Vektor_lifetime_handler(HANDLE_DESTR, this, nullptr); } } static inline void Vektor_lifetime_handler( enum HANDLE_STATE state, struct Vektor_raiicpp *self, void *data) {
 if(state == HANDLE_CREAT) {
  self->count = *(int*) data;
  self->v = calloc(self->count, sizeof(int));
 } else if (state == HANDLE_DESTR){
  if(self->v) free(self->v);
 }
}

int main() {
 int n;
 printf("Number of elements to sum: ");
 scanf(" %d", &n);
 Vektor_raiicpp data(&n);;


 for(int i = 0; i < data.count; ++i) {
  scanf(" %d", &n);
  data.v[i] = n;
 }
 n = 0; for(int i = 0; i < data.count; ++i) n += data.v[i];
 printf("Sum: %d\n", n);

 return 0;
}