Submission #1164345

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164345		lambd47	Coins (IOI17_coins)	C++20	100 / 100	5 ms	584 KiB

coins

#include"coins.h"
using namespace std;



vector<int> coin_flips(vector<int> b,int c){
    int val=c;
    for(int i=0;i<64;i++){
        if(b[i])val^=i;
    }
    vector<int> a(1,val);
    return a;
}
int find_coin(vector<int> arr){
    int resp=0;
    for(int i=0;i<64;i++){
        if(arr[i])resp^=i;
    }
    return resp;

}

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