Submission #951848

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
951848	2024-03-22T20:24:25 Z	karpatka	Combo (IOI18_combo)	C++17	0 / 100	8 ms	596 KB

combo

#include "combo.h"

std::string guess_sequence(int N) {
	std::string s;

	char a, b, c, d;
	if (press("AB") > 0) {
		c = 'X', d = 'Y';
		if (press("A")) {
			a = 'A';
			b = 'B';
		} else {
			a = 'B';
			b = 'A';
		}
	} else {
		c = 'A', d = 'B';
		if (press("X")) {
			a = 'X';
			b = 'Y';
		} else {
			a = 'Y';
			b = 'X';
		}
	}

	s += a;
	if (N == 1) {
		return s;
	}

	for (int i = 1; i < N - 1; i++) {
		int k = press(s + b + b + s + c);
		if (k == i) {
			s += d;
		} else if (k == i + 1) {
			s += c;
		} else if (k == i + 2) {
			s += b;
		}
	}
	if (press(s + b) == N) {
		s += b;
	} else if (press(s + c) == N) {
		s += c;
	} else {
		s += d;
	}
	return s;
}

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Incorrect	0 ms	344 KB	Wrong Answer: wrong guess.
3	Halted	0 ms	0 KB	-

Subtask #2

0 / 95.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	596 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Incorrect	8 ms	344 KB	Wrong Answer: wrong guess.
18	Halted	0 ms	0 KB	-