Submission #412417

#	Time	Username	Problem	Language	Result	Execution time	Memory
412417		nxteru	Coins (IOI17_coins)	C++14	100 / 100	11 ms	1536 KiB

coins

#include "coins.h"
using namespace std;
vector<int>coin_flips(vector<int>b,int c){
    for(int i=0;i<64;i++)if(b[i])c^=i;
    return vector<int>{c};
}
int find_coin(vector<int>b){
    int x=0;
    for(int i=0;i<64;i++)if(b[i])x^=i;
    return x;
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 50 / 50