Submission #837190

#	Time	Username	Problem	Language	Result	Execution time	Memory
837190		Andrey	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	7096 ms	4404 KiB

encoder

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

vector<int> ans1(12);
vector<int> ans2(12);
vector<int> wut(12);
int p = 0;

void dfs(int d, int x, int y, int br) {
    if(d == 12 && br == 6) {
        p++;
        if(x == p) {
            for(int i = 0; i < 12; i++) {
                ans1[i] = wut[i];
            }
        }
        if(y == p) {
            for(int i = 0; i < 12; i++) {
                ans2[i] = wut[i];
            }
        }
        return;
    }
    else if(d == 12) {
        return;
    }
    dfs(d+1,x,y,br);
    wut[d] = 1;
    dfs(d+1,x,y,br+1);
    wut[d] = 0;
}

int encode (int n, int x, int y) {
    p = 0;
    dfs(0,x,y,0);
    for(int i = 0; i < 12; i++) {
        if(ans2[i] == 0 && ans1[i] == 1) {
            return i+1;
        }
    }
}

decoder

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

vector<int> ans(12);
vector<int> wut(12);
int p = 0;

void dude(int d, int x, int br) {
    if(d == 12 && br == 6) {
        p++;
        if(x == p) {
            for(int i = 0; i < 12; i++) {
                ans[i] = wut[i];
            }
        }
        return;
    }
    else if(d == 12) {
        return;
    }
    dude(d+1,x,br);
    wut[d] = 1;
    dude(d+1,x,br+1);
    wut[d] = 0;
}

int decode (int n, int q, int h) {
    p = 0;
    h--;
    dude(0,q,0);
    return ans[h];
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:41:1: warning: control reaches end of non-void function [-Wreturn-type]
   41 | }
      | ^

• Subtask 1: 0 / 100