Submission #152988

#TimeUsernameProblemLanguageResultExecution timeMemory
152988junodeveloperUnscrambling a Messy Bug (IOI16_messy)C++14
20 / 100
4 ms504 KiB
#include <vector>
#include <string>

#include "messy.h"

using namespace std;
typedef vector<int> VI;

int N;
int p[128];

string Init() {
	string r="";
	int i;
	for(i=0;i<N;i++) r+="0";
	return r;
}

void Add(int l,int r) {
	if(l==r) return;
	int mid=(l+r)/2;
	Add(l,mid);
	Add(mid+1,r);
	int i;
	string s=Init();
	for(i=l;i<=r;i++) s[i]='1';
	for(i=l;i<=mid;i++) {
		s[i]='0';
		add_element(s);
		s[i]='1';
	}
}

void Solve(string a,int l,int r) {
	int i;
	if(l==r) {
		for(i=0;i<N;i++)
			if(a[i]=='1') {
				p[l]=i;
				break;
			}
		return;
	}
	string b=Init();
	for(i=0;i<N;i++) {
		if(a[i]=='1') {
			a[i]='0';
			if(check_element(a)) b[i]='1';
			a[i]='1';
		}
	}
	int mid=(l+r)/2;
	Solve(b,l,mid);
	for(i=0;i<N;i++) {
		if(a[i]=='1') b[i]=b[i]=='1'?'0':'1';
	}
	Solve(b,mid+1,r);
}

std::vector<int> restore_permutation(int n, int w, int r) {
	N=n;
	int i;
	Add(0,N-1);
	compile_set();
	string a=Init();
	for(i=0;i<N;i++) a[i]='1';
	Solve(a,0,N-1);
	vector<int> ret;
	for(i=0;i<N;i++) ret.push_back(p[i]);
	return ret;
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...