Submission #115400

#	Time	Username	Problem	Language	Result	Execution time	Memory
115400		dsjong	Mechanical Doll (IOI18_doll)	C++14	6 / 100	94 ms	15140 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
bool vis[100005];
int cnt[100005];
vector<int>adj[100005];
void create_circuit(int M, vector<int> A){
	vector<int>C(M+1);
	memset(vis,false,sizeof vis);
	A.push_back(0);
	int S=0;
	C[0]=A[0];
	for(int i=0;i<A.size()-1;i++){
		cnt[A[i]]++;
		adj[A[i]].push_back(A[i+1]);
		if(cnt[A[i]]==2) S++;
	}
	vector<int>X(S),Y(S);
	int cur=-1;
	for(int i=0;i<A.size()-1;i++){
		if(vis[A[i]]){
			Y[-cur-1]=A[i+1];
			X[-cur-1]=adj[A[i]][0];
			C[A[i]]=cur--;
		}
		else C[A[i]]=A[i+1];
		vis[A[i]]=true;
	
	}
	for(int i=1;i<=M;i++){
		if(cnt[i]==0) C[i]=1;
	}
	/*cout<<C.size()<<endl;
	for(int i:C) cout<<i<<" ";
	cout<<endl;
	cout<<X.size()<<endl;
	for(int i:X) cout<<i<<" ";
	cout<<endl;
	cout<<Y.size()<<endl;
	for(int i:Y) cout<<i<<" ";
	cout<<endl;*/
	answer(C,X,Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i=0;i<A.size()-1;i++){
      |              ~^~~~~~~~~~~
doll.cpp:20:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for(int i=0;i<A.size()-1;i++){
      |              ~^~~~~~~~~~~

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