C :

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

int main()
{
	int n;
	scanf("%d", &n);
	int *m = (int *)malloc(n*sizeof(int));
	int *sum = (int *)malloc(n*sizeof(int));
	int i;
	for(i = 0; i < n; i++)
	{
		sum[i] = 0;
		scanf("%d", &m[i]);
		int *p = (int *)malloc(m[i]*sizeof(int));
		int k;
		for(k = 0; k < m[i]; k++)
		{
			scanf("%d", &p[k]);
			sum[i] += p[k];
		}
		free(p);
	}
	for(i = 0; i < n; i++)
	{
		printf("%d\n\n", sum[i]);
	}
	free(m);
	free(sum); 
	return 0;
}