oj.uz

Submission #349165

# Submission time Handle Problem Language Result Execution time Memory
349165 2021-01-16T20:50:25 Z zggf Combo (IOI18_combo) C++14
0 / 100
 1 ms 200 KB 
#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

string guess_sequence(int N) {

	char firstLetter='X';
	if(press("X")) firstLetter = 'X';
	else if(press("Y")) firstLetter = 'Y';
	else if(press("A")) firstLetter = 'A';
	else if(press("B")) firstLetter = 'B';

	string wyn = "";
	wyn.push_back(firstLetter);
	for(int i = 1; i < N-1; i++){
		if(firstLetter=='A'){
			int tmp = press(wyn+"X"+wyn+"YX"+wyn+"YB"+wyn+"YY");
			if(tmp==(int)wyn.size()){
				wyn.push_back('B');	
			}else if(tmp==(int)wyn.size()+1){
				wyn.push_back('X');	
			}else wyn.push_back('Y');
		}
		if(firstLetter=='B'){
			int tmp = press(wyn+"X"+wyn+"YX"+wyn+"YA"+wyn+"YY");
			if(tmp==(int)wyn.size()){
				wyn.push_back('A');	
			}else if(tmp==(int)wyn.size()+1){
				wyn.push_back('X');	
			}else wyn.push_back('Y');
		}
		if(firstLetter=='X'){
			int tmp = press(wyn+"B"+wyn+"YB"+wyn+"YA"+wyn+"YY");
			if(tmp==(int)wyn.size()){
				wyn.push_back('A');	
			}else if(tmp==(int)wyn.size()+1){
				wyn.push_back('B');	
			}else wyn.push_back('Y');
		}
		if(firstLetter=='Y'){
			int tmp = press(wyn+"B"+wyn+"XB"+wyn+"XA"+wyn+"XX");
			if(tmp==(int)wyn.size()){
				wyn.push_back('A');	
			}else if(tmp==(int)wyn.size()+1){
				wyn.push_back('B');	
			}else wyn.push_back('X');
		}
	}

	char lastLetter;
	if(firstLetter!='X'&&press(wyn+"X")) lastLetter = 'X';
	else if(firstLetter!='Y'&&press(wyn+"Y")) lastLetter = 'Y';
	else if(firstLetter!='A'&&press(wyn+"A")) lastLetter = 'A';
	else if(firstLetter!='B'&&press(wyn+"B")) lastLetter = 'B';
	wyn.push_back(lastLetter);
	return wyn;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong Answer: wrong guess.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 95.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 200 KB Wrong Answer: wrong guess.
2 Halted 0 ms 0 KB -