Submission #1965237

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Source Code Expand

#include<cstdio>
#include<algorithm>

float ans = 0.0;

int main() {
  int N, K, a;
  scanf("%d%d", &N, &K);
  int R[N];
  for (int i = 0; i < N; i++) {
    scanf("%d", &R[i]);
  }
  std::sort(R, R + N);
  a = N - K;
  for (int i = a; i < N; i++) {
    ans = (ans + (float)R[i]) / 2.0;
  }
  printf("%lf\n", ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &N, &K);
                        ^
./Main.cpp:11:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &R[i]);
                       ^

Judge Result