Submission #393092

#	Time	Username	Problem	Language	Result	Execution time	Memory
393092		strawberry2005	Coins (IOI17_coins)	C++17	100 / 100	14 ms	1656 KiB

coins

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

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