oj.uz

Submission #600993

# Submission time Handle Problem Language Result Execution time Memory
600993 2022-07-21T09:52:13 Z TimDee Flight to the Ford (BOI22_communication) C++17
0 / 100
 23 ms 1844 KB 
#include "communication.h"
#include <bits/stdc++.h>
using namespace std;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int a, int b) {return a + rng() % (b - a + 1);}  
int r=rand(30,50);

void encode(int n, int x) {
	int y=1; int cnt=0;
	while (y && cnt++<r) y=send(1);
	send(x&1);
}

pair<int,int> decode(int n) {
	int f=1;
	int ans=1;
	while (f) {
		f=receive();
		while (f && ans++<r) f=receive();
	}
	int x=receive();
	if (x^1) return{2,2};
	return {1,3};
}

Subtask #1
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1772 KB Output is correct
2 Correct 11 ms 1844 KB Output is correct
3 Incorrect 10 ms 204 KB Not correct
4 Halted 0 ms 0 KB -

Subtask #2
0.0 / 85.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 284 KB Not correct
2 Halted 0 ms 0 KB -