Submission #970397

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
970397	2024-04-26 13:25:30	jamesbamber	Mechanical Doll (IOI18_doll)	C++17	37 / 100	142 ms	13136 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
void create_circuit(int M, vector<int> A) {
    int N = A.size();
    vector<int> C(M + 1);
    int sz = 1;
    while(sz <= N) sz*= 2;
    vector<int> state(sz+1);
    vector<int> id(2*sz+2);
    function<void(int,int)> addid = [&](int v, int i){
        if(v >= sz){
            id[v] = i;
            return;
        }
        else id[v] = -v;
        addid(2*v + state[v], i);
        state[v] ^= 1;
    };
    for(int i=0; i<N; i++) addid(1, A[i]);
    for(int i=N; i<sz-1; i++) addid(1, -1);
    addid(1, 0);
    //assert(accumulate(state.begin(), state.end(), 0) == 0);
 
 
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