제출 #250593

#제출 시각아이디문제언어결과실행 시간메모리
250593aloo123Coins (IOI17_coins)C++14
0 / 100
15 ms1528 KiB
#include<bits/stdc++.h> #include "coins.h" using namespace std; // const ll INF = 1e12; // const ll N =(1e5+5); // TODO : change value as per problem // const ll MOD = 1e9; vector<int> coin_flips(vector<int> b, int c) { int x = 0; for(int i = 0;i<64;i++){ if(b[i]) x ^= b[i]; } if(x == 0) { // even number of 1s vector<int> v; v.push_back(c); return v; } else{ // odd number of 1s vector<int> v; v.push_back(c ^ x); return v; } } int find_coin(vector<int> b) { int x =0; for(int i =0;i<64;i++) if(b[i]) x ^= b[i]; return x; }
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