Submission #49657

#	Time	Username	Problem	Language	Result	Execution time	Memory
49657		khsoo01	Unscrambling a Messy Bug (IOI16_messy)	C++11	100 / 100	4 ms	640 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
int n;

void Add (int S, int E) {
	if(S >= E) return;
	int M = (S+E)/2;
	for(int k=S;k<=M;k++) {
		string R = "";
		for(int i=0;i<n;i++) {
			if(i < S || i > E || i == k) R += '1';
			else R += '0';
		}
		add_element(R);
	}
	Add(S, M);
	Add(M+1, E);
}

vector<int> Solve (vector<int> C) {
	vector<int> va, vb, a, b;
	if(C.size() == 1) {
		a.push_back(C[0]);
		return a;
	}
	string tmp = "";
	for(int i=0;i<n;i++) {
		tmp += '1';
	}
	for(int i=0;i<C.size();i++) {
		tmp[C[i]] = '0';
	}
	for(int i=0;i<C.size();i++) {
		tmp[C[i]] = '1';
		if(check_element(tmp)) va.push_back(C[i]);
		else vb.push_back(C[i]);
		tmp[C[i]] = '0';
	}
	a = Solve(va);
	b = Solve(vb);
	for(int i=0;i<b.size();i++) {
		a.push_back(b[i]);
	}
	return a;
}


std::vector<int> restore_permutation(int N, int W, int R) {
	n = N;
	Add(0, n-1);
	compile_set();
	vector<int> C, A;
	for(int i=0;i<n;i++) {
		C.push_back(i);
	}
	vector<int> T = Solve(C);
	for(int i=0;i<n;i++) {
		for(int j=0;j<n;j++) {
			if(T[j] == i) {
				A.push_back(j);
				break;
			}
		}
	}
	return A;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> Solve(std::vector<int>)':
messy.cpp:31:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<C.size();i++) {
              ~^~~~~~~~~
messy.cpp:34:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<C.size();i++) {
              ~^~~~~~~~~
messy.cpp:42:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<b.size();i++) {
              ~^~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 30 / 30