Submission #384911

#	Time	Username	Problem	Language	Result	Execution time	Memory
384911		arman_ferdous	Mechanical Doll (IOI18_doll)	C++17	6 / 100	98 ms	12508 KiB

doll

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

#define sz(v) (int)v.size()

const int M = 1e5+10; // triggers

vector<int> g[M];

void create_circuit(int m, vector<int> a) {
  a.push_back(0);
  int n = a.size(); 
  for(int i = 0; i < n - 1; i++) {
    g[a[i]].push_back(a[i + 1]);
  }
  vector<int> C, X, Y; C.push_back(a[0]);
  for(int i = 1; i <= m; i++) {
    assert(sz(g[i]) <= 2);
    if(g[i].empty()) {
      C.push_back(0);
      continue;
    }
    C.push_back(- sz(X) - 1);
    if(sz(g[i]) == 1) {
      X.push_back(- sz(Y) - 1);
      Y.push_back(g[i][0]);
    }
    else {
      X.push_back(g[i][0]);
      Y.push_back(g[i][1]);
    }
  }
  answer(C, X, Y);
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56