Submission #282143

# Submission time Handle Problem Language Result Execution time Memory
282143 2020-08-24T03:59:23 Z thtsshz_bgwrswh Question (Grader is different from the original contest) (CEOI14_question_grader) C++
100 / 100
5079 ms 48112 KB
#include <string>
#include <algorithm>
 
using namespace std;
 
static bool first = true;
static string S[925];
 
int encode (int N, int x, int y) {
	if(first) {
		first = false;
		for(int i = 0; i < 12; i++) S[1] += (i < 6) ? "0" : "1";
		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+1;
	return -1;
}
#include <string>
#include <algorithm>
 
using namespace std;
 
static bool first = true;
static string S[925];
 
int decode (int N, int q, int h) {
	if(first) {
		first = false;
		for(int i = 0; i < 12; i++) S[1] += (i < 6) ? "0" : "1";
		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';
}
# Verdict Execution time Memory Grader output
1 Correct 3982 ms 47920 KB Output is correct - maxh = 12
2 Correct 5079 ms 48112 KB Output is correct - maxh = 12