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제출 #40392

#제출 시각아이디문제언어결과실행 시간메모리
40392model_codeCoins (IOI17_coins)C++11
100 / 100
13 ms1756 KiB
#include "coins.h" #include <vector> using namespace std; vector<int> coin_flips(vector<int> b, int c) { int x = 0; for(int i = 0; i < 64; ++ i) x ^= b[i] * i; vector<int> flips(1); flips[0] = c ^ x; return flips; } int find_coin(vector<int> b) { int x = 0; for(int i = 0; i < 64; ++ i) x ^= b[i] * i; return x; }

컴파일 시 표준 에러 (stderr) 메시지

grader.cpp: In function 'void pass2()':
grader.cpp:100:7: warning: unused variable 'secret' [-Wunused-variable]
  // assert(1 == scanf("%s", secret));
       ^~~~~~
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