Submission #624296

#	Time	Username	Problem	Language	Result	Execution time	Memory
624296		Dan4Life	Mechanical Doll (IOI18_doll)	C++17	2 / 100	33 ms	4744 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
void create_circuit(int M, vector<int> A) {
    A.insert(A.begin(),0); A.push_back(0);
    int n = A.size();
    vector<int> C(M+1,0), X, Y;
    int cnt[M+1]{0}, ind = -1;
    vector<int> v; v.clear();
    for(int i = 0; i < n; i++){
        cnt[A[i]]++;
        if(A[i] and cnt[A[i]]==2) v.pb(ind--);
        v.pb(A[i]);
    }
    v.pb(0);
    for(int i = 0; i < sz(v)-2; i++){
        if(v[i]<0) X.pb(v[i+1]),Y.pb(v[i+2]),i++;
        else if(C[v[i]]==0) C[v[i]]=v[i+1];
    }
    answer(C,X,Y);
}

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