Submission #1260798

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260798		inkvizytor	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++20	100 / 100	719 ms	39728 KiB

encoder

#include <bits/stdc++.h>
using namespace std;

vector<int> msk1 = {0};
int innit1 = 0;

void __innit1() {
    for (int i = 0; i < (1<<12); i++) {
        if (__builtin_popcount(i) == 6) {
            msk1.push_back(i);
        }
    }
}

int encode (int n, int x, int y) {
    if (!innit1) {
        __innit1();
        innit1 = 1;
    }
    int m1 = msk1[x], m2 = msk1[y];
    for (int i = 0; i < 12; i++) {
        if ((m1&(1<<i)) && ((m2&(1<<i))==0)) {
            return i+1;
        }
    }
}

decoder

#include <bits/stdc++.h>
using namespace std;

vector<int> msk2 = {0};
int innit2 = 0;

void __innit2() {
    for (int i = 0; i < (1<<12); i++) {
        if (__builtin_popcount(i) == 6) {
            msk2.push_back(i);
        }
    }
}

int decode (int n, int q, int h) {
    if (!innit2) {
        __innit2();
        innit2 = 1;
    }
    return (msk2[q]&(1<<(h-1))) != 0;
}

Compilation message (stderr)

# 1번째 컴파일 단계

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^

• Subtask 1: 100 / 100