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Submission #666368

# Submission time Handle Problem Language Result Execution time Memory
666368 2022-11-28T10:32:11 Z mychecksedad Flight to the Ford (BOI22_communication) C++17
0 / 100
 25 ms 200 KB 
#include"communication.h"
#include<bits/stdc++.h>
using namespace std;

void encode(int N, int X){
    for(int j = 0; j < 2; ++j){
        send(((1<<j)&X > 0));
        send(((1<<j)&X > 0));
    }
}
pair<int, int> decode(int N) {
    int a = 0, b = 0;

    int x[4];
    for(int j = 0; j < 4; ++j) x[j] = receive();

    if(x[0] == x[1]){
        a += 1;
        b += 1;
    }else if(x[0] != x[1]){
        a += 1;
    }
    if(x[2] == x[3]){
        a += 2;
        b += 2;
    }else if(x[2] != x[3]){
        b += 2;
    }
    if(x[0] != x[1] && x[2] != x[3]) a = b = 3;

    return {a, b};
}

Compilation message

communication.cpp: In function 'void encode(int, int)':
communication.cpp:7:24: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    7 |         send(((1<<j)&X > 0));
      |                      ~~^~~
communication.cpp:8:24: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    8 |         send(((1<<j)&X > 0));
      |                      ~~^~~

Subtask #1
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 200 KB Not correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 85.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 200 KB Not correct
2 Halted 0 ms 0 KB -