제출 #918554

#제출 시각아이디문제언어결과실행 시간메모리
918554vjudge1Coins (IOI17_coins)C++17
100 / 100
7 ms1856 KiB
#include "coins.h" std::vector<int> coin_flips(std::vector<int> b, int c) { for(int i = 0; i < 64; i++) { if(b[i]) { c ^= i; } } return {c}; } int find_coin(std::vector<int> b) { int r = 0; for(int i = 0; i < 64; i++) { if(b[i]) { r ^= i; } } return r; }
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