제출 #139725

#제출 시각아이디문제언어결과실행 시간메모리
139725toonewbieUnscrambling a Messy Bug (IOI16_messy)C++17
38 / 100
4 ms376 KiB
#include <bits/stdc++.h> #include "messy.h" using namespace std; vector<int> restore_permutation(int n, int w, int r) { vector <int> p(n), used(n); string s = ""; for (int i = 0; i < n; i++) { s += '0'; } for (int i = 0; i < n; i++) { s[i] = '1'; add_element(s); } compile_set(); s = ""; for (int i = 0; i < n; i++) { s += '0'; } for (int i = 0; i < n; i++) { int id; for (int j = 0; j < n; j++) { if (used[j] == 0) { s[j] = '1'; if (check_element(s) == 1) { id = j; break; } s[j] = '0'; } } used[id] = 1; p[id] = i; } return p; }

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:22:7: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int id;
       ^~
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