Submission #1141374

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141374		Francisco_Martin	Coins (IOI17_coins)	C++20	100 / 100	5 ms	588 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;

#define debug(v) cerr<<#v" = "<<(v)<<"\n"

using ll=long long;
using ull=unsigned long long;
using pll=pair<ll,ll>;
using vll=vector<ll>;
using vpll=vector<pll>;
using vvll=vector<vll>;
const ll INF=1e9+100;
const ll MOD=998244353;
const ll MAXN=2e5+100;

vector<int> coin_flips(vector<int> b, int c){
    for(int i=0; i<b.size(); i++) if(b[i]) c^=i;
    vector<int> ans={c};
    return ans;
}

int find_coin(vector<int> b){
    int c=0;
    for(int i=0; i<b.size(); i++) if(b[i]) c^=i;
    return c;
}

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