Submission #647919

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
647919	2022-10-04 15:55:42	rainboy	Broken Device 2 (JOI22_device2)	C++17	13 / 100	2091 ms	25924 KiB

Anna

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/* https://www.ioi-jp.org/camp/2022/2022-sp-tasks/contest3/device2-review.pdf */
#include "Anna.h"
#include <vector>
using namespace std;
const int L = 2000;
typedef vector<int> vi;
namespace {
  int f(int l) {
    if (l == 1)
      return 3;
    if (l == 2)
      return 6;
    return (l * 2 - 3) * 4;
  }
  int g(int l, int k) {
    int n = 0;
    if (k >= 4)
      n++;
    if (l * 2 - k >= 4)
      n++;
    if (k >= 2 && l * 2 - k >= 2)
      n += 2;
    if (n == 0)
      n = 1;
    return n;
 
 
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Bruno

 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 3 / 3
• Subtask 4: 0 / 12
• Subtask 5: 0 / 15
• Subtask 6: 0 / 60