제출 #7095

#제출 시각아이디문제언어결과실행 시간메모리
7095tncks0121질문 (CEOI14_question_grader)C++98
100 / 100
1706 ms27360 KiB
#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'; }
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