#include <stdio.h> int main() { int a, b, c; long sum = 0; scanf("%d", &a); for (int i = 0; i < a; i++) { scanf("%d", &b); for (int j = 0; j < b; j++) { scanf("%d", &c); sum += c; } printf("%ld\n", sum); sum = 0; } return 0; }