제출 #564900

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
564900	2022-05-19 23:20:24	SSRS	구경하기 (JOI13_watching)	C++14	100 / 100	748 ms	16068 KiB

watching

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#include <bits/stdc++.h>
using namespace std;
const int INF = 1000000;
int main(){
  int N, P, Q;
  cin >> N >> P >> Q;
  P = min(P, N);
  Q = min(Q, N);
  vector<int> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  sort(A.begin(), A.end());
  int tv = 500000000, fv = 0;
  vector<vector<int>> dp(N + 1, vector<int>(P + 1, INF));
  while (tv - fv > 1){
    int mid = (tv + fv) / 2;
    vector<int> R1(N), R2(N);
    for (int i = 0; i < N; i++){
      R1[i] = lower_bound(A.begin(), A.end(), A[i] + mid) - A.begin();
      R2[i] = lower_bound(A.begin(), A.end(), A[i] + mid * 2) - A.begin();
    }
    for (int i = 0; i <= N; i++){
      for (int j = 0; j <= P; j++){
        dp[i][j] = INF;
      }
    }
    dp[0][0] = 0;
    for (int i = 0; i < N; i++){
      for (int j = 0; j <= min(P, i); j++){
 
 
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• Subtask 1: 50 / 50
• Subtask 2: 50 / 50