50169. Sum of Integers

#include <stdio.h>
#include <stdlib.h>
#include "sumOfIntegers.h"

void sumOfIntegers(const int *ptr_arr[], int ans[], int *num){
    int cnt = 0;
    int now_head = 0;
    while(1){
        if(ptr_arr[now_head] == NULL) break;

        int i, this_sum = 0;
        for(i = now_head; ptr_arr[i] != NULL; i++){

            int appeared = 0;
            for(int j = now_head; j < i; j++){
                if(ptr_arr[i] == ptr_arr[j]){
                    appeared = 1;
                    break;
                }
            }
            if(!appeared) this_sum += *ptr_arr[i];
        }
        ans[cnt++] = this_sum;
        now_head = (i + 1);
    }
    *num = cnt;
}