Submission #6518951

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, K;
  scanf("%d%d", &N, &K);

  vector<int> buckets(N, 0);
  for (int i = 0; i < N; i++) {
    int A;
    scanf("%d", &A);
    buckets[A - 1]++;
  }

  sort(buckets.begin(), buckets.end(), greater<int>());

  int num = 0;
  for (int i = 0; i < K; i++) {
    // バケットから大きい順にK種類を取り出した際に、ボールが何個あるか
    num += buckets[i];
  }
  // 足りない分はボールの整数にかかわらず、書き換える
  int ans = N - num;
  printf("%d", ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &N, &K);
                        ^
./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &A);
                    ^

Judge Result