Submission #298724

#	Time	Username	Problem	Language	Result	Execution time	Memory
298724		inbarin	Mechanical Doll (IOI18_doll)	C++14	37 / 100	135 ms	8612 KiB

doll

#include "doll.h"
#include <iostream>
#include <vector>
using namespace std;
#define fort(s,e) for(int i = s; i < e; i++)

void create_circuit(int m, vector<int> a){
	int asc = a.size();
	a.push_back(0);
	vector<int>trig(m+1);
	vector<int>x,y;
	int cs = 0;
	fort(0,m+1){
		trig[i] = -1;
	}
	int asp = 1;
	vector<int>dec;
	int jl = 0;
	while(asc){
		jl++;
		asp*=2;
		dec.push_back(asc%2);
		asc/=2;
	}
	asc = a.size();
	for(int i = 0; i < asp/2-1;i++){
		x.push_back(-(i+1)*2);
		y.push_back(-(i+1)*2-1);
	}
	for(int i = asp/2 - 1;i < asp - 1;i++){
		x.push_back(-1);
		y.push_back(-1);
	}
	int xl = asp / 2 - asc / 2;
	int yl = asp / 2 - asc / 2 - asc % 2;
	int l = 0;
	for(int i = 0; i < asp;i++){
		int ci = i;
		int rev = 0;
		int j = 0;
		while(j < jl){
			rev *= 2;
			rev += ci % 2;
			ci/=2;
			j++;
		}
		if(rev % 2){
			if(asp/2 - 1 - rev/2 < xl){
				continue;
			}
			l++;
			x[asp - 2 - rev/2] = a[(int)a.size()-l];
		} else {
			if(asp/2 - 1 - rev/2 < yl){
				continue;
			}
			l++;
			y[asp - 2 - rev/2] = a[(int)a.size()-l];
		}
		if(l == (int)a.size()){
			break;
		}
	}
	answer(trig,x,y);
	return;
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:12:6: warning: unused variable 'cs' [-Wunused-variable]
   12 |  int cs = 0;
      |      ^~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9 / 18
• Subtask 6: 28 / 56