Submission #546401

#	Time	Username	Problem	Language	Result	Execution time	Memory
546401		jamezzz	Mechanical Doll (IOI18_doll)	C++17	66.61 / 100	131 ms	43724 KiB

doll

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

vector<int> out[500005];

void create_circuit(int M,vector<int> A){
	int N=A.size();
	for(int i=0;i<N;++i){
		out[M+1].push_back(A[i]);
	}
	out[M+1].push_back(0);
	
	vector<int> C(M+1);
	vector<int> X,Y;
	
	int cur=2;
	for(int i=0;i<M+cur;++i){
		if(i<=M)C[i]=-1;
		else{
			vector<int> l,r;
			int s=out[i].size();
			int num=0;
			for(int j=0;j<out[i].size();j+=2){
				if(i==M+1&&((num+s)&(num+s-1))!=0){
					l.push_back(-1);
					r.push_back(out[i][j]);
					--j;++num;
				}
				else{
					l.push_back(out[i][j]);
					r.push_back(out[i][j+1]);
				}
			}
			
			bool same=true;
			for(int j=0;j<l.size()-1;++j){
				if(l[j]!=l[j+1]){
					same=false;
					break;
				}
			}
			
			if(same)X.push_back(l[0]);
			else{
				X.push_back(-cur);
				swap(out[M+cur],l);
				++cur;
			}
			
			same=true;
			for(int j=0;j<r.size()-1;++j){
				if(r[j]!=r[j+1]){
					same=false;
					break;
				}
			}
			
			if(same)Y.push_back(r[0]);
			else{
				Y.push_back(-cur);
				swap(out[M+cur],r);
				++cur;
			}
		}
	}
	
	answer(C,X,Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:24:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |    for(int j=0;j<out[i].size();j+=2){
      |                ~^~~~~~~~~~~~~~
doll.cpp:37:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |    for(int j=0;j<l.size()-1;++j){
      |                ~^~~~~~~~~~~
doll.cpp:52:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |    for(int j=0;j<r.size()-1;++j){
      |                ~^~~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 38.607363899999996 / 56