제출 #1088119

#제출 시각아이디문제언어결과실행 시간메모리
1088119pedroslrey질문 (CEOI14_question_grader)C++14
0 / 100
7074 ms8336 KiB
#include <bits/stdc++.h> using namespace std; int encode (int n, int x, int y) { vector<int> dp(n+1); int cnt = 0; for (int mask = 1; mask < (1 << 12) && cnt <= n; ++mask) if (__builtin_popcount(mask) == 6) dp[++cnt] = mask; int ans; for (int k = 0; k < 12; ++k) if ((dp[x] & (1 << k)) && !(dp[y] & (1 << k))) ans = k; return ans + 1; }
#include <bits/stdc++.h> using namespace std; int decode (int n, int q, int h) { vector<int> dp(n+1); int cnt = 0; for (int mask = 1; mask < (1 << 12) && cnt <= n; ++mask) if (__builtin_popcount(mask) == 6) dp[++cnt] = mask; return (dp[q] >> (h - 1)) & 1; }

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:18:15: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   18 |  return ans + 1;
      |               ^
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