Submission #351623

#	Time	Username	Problem	Language	Result	Execution time	Memory
351623		Bill_00	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	7063 ms	46604 KiB

encoder

#include <bits/stdc++.h>
// #define N 100001
#define MOD 998244353
#define ll long long
#define pb push_back
const int M=62;
using namespace std;
string s[1000];
int encode (int n, int x, int y) {
	for(int i=0;i<12;i++){
		s[1]+=((i<6)?'1':'0');
	}
	for(int i=2;i<=920;i++){
		s[i]=s[i-1];
		next_permutation(s[i].begin(),s[i].end());
	}
	for(int i=0;i<12;i++){
		if(s[x][i]=='1' && s[y][i]=='0'){
			return i;
        }
	}
}

decoder

#include <bits/stdc++.h>
// #define N 100001
#define MOD 998244353
#define ll long long
#define pb push_back
const int M=62;
using namespace std;
string s[1000];
int decode (int n, int q, int h) {
	for(int i=0;i<12;i++){
		s[1]+=((i<6)?'1':'0');
	}
	for(int i=2;i<=920;i++){
		s[i]=s[i-1];
		next_permutation(s[i].begin(),s[i].end());
	}
	return (s[q][h-1]=='1');
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:22:1: warning: control reaches end of non-void function [-Wreturn-type]
   22 | }
      | ^

• Subtask 1: 0 / 100