제출 #701035

#제출 시각아이디문제언어결과실행 시간메모리
701035mychecksedadStove (JOI18_stove)C++17
100 / 100
28 ms2076 KiB
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 1e6+100, M = 1e5+10, K = 20;


int n, k, t[N], a[N];
void solve(){
  cin >> n >> k;
  for(int i = 0; i < n; ++i) cin >> t[i];
  sort(t, t + n);
  for(int i = 0; i < n - 1; ++i) a[i] = t[i + 1] - t[i];
  sort(a, a + n - 1, greater<int>());
  int ans = t[n - 1] - t[0] + 1;
  for(int i = 0; i < k - 1; ++i){
    ans -= a[i] - 1;
  }
  cout << ans;
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int T = 1, aa;
  // cin >> T;aa=T;
  while(T--){
    // cout << "Case #" << aa-T << ": ";
    solve();
    cout << '\n';
  }
  return 0;
 
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:30:14: warning: unused variable 'aa' [-Wunused-variable]
   30 |   int T = 1, aa;
      |              ^~
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