시험 공부

#include<cstdio>

#include<algorithm>

using namespace std;

int Answer, num[200000];

int main(int argc, char** argv)

{

setbuf(stdout, NULL);

int T, test_case, n, k;

scanf("%d", &T);

for (test_case = 0; test_case < T; test_case++)

{

Answer = 0;

scanf("%d %d", &n, &k);

for (int i = 0; i < n; ++i)

scanf("%d", &num[i]);

sort(&num[0], &num[n]);

for (int i = 1; i <= k; ++i)

Answer += num[n - i];

printf("Case #%d\n%d\n", test_case + 1, Answer);

}

return 0;

}