oj.uz

Submission #868052

# Submission time Handle Problem Language Result Execution time Memory
868052 2023-10-30T10:16:23 Z TAhmed33 Flight to the Ford (BOI22_communication) C++17
15 / 100
 23 ms 3064 KB 
#include <bits/stdc++.h>
#include <communication.h>
using namespace std;
vector <string> arr = {
	"1010",
	"1001",
    "1000",
	"0101",
	"0100",
	"0010",
	"0001",
	"0000"
};
string pp (string a, string b) {
	string ret;
	for (int i = 0; i < 4; i++) {
		if (a[i] == b[i]) ret += '0';
		else ret += '1';
	}
	return ret;
}
void encode (int n, int x) {
	if (x == 1) {
		send(0); send(0); send(0); send(0);
	} else if (x == 2) {
		send(0); send(1); send(1); send(0);
	} else {
		send(1); send(0); send(0); send(1);
	}
}
pair <int, int> decode (int n) {
	string a = "0000", b = "0110", c = "1001";
	map <string, vector <int>> x;
	for (auto i : arr) x[pp(a, i)].push_back(1);
	for (auto i : arr) x[pp(b, i)].push_back(2);
	for (auto i : arr) x[pp(c, i)].push_back(3);
	string s; for (int i = 0; i < 4; i++) s += (char)(receive() + '0');
	if (x[s].size() == 1) {
		return {x[s].front(), x[s].front()};
	} else {
		return {x[s].front(), x[s].back()};
	}
}
/*
0000
1100
0010
 
*/

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2744 KB Output is correct
2 Correct 5 ms 2752 KB Output is correct
3 Correct 6 ms 2940 KB Output is correct
4 Correct 4 ms 3064 KB Output is correct
5 Correct 5 ms 2760 KB Output is correct
6 Correct 14 ms 3048 KB Output is correct
7 Correct 23 ms 2784 KB Output is correct

Subtask #2
0.0 / 85.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 332 KB Not correct
2 Halted 0 ms 0 KB -