Submission #471707

#	Time	Username	Problem	Language	Result	Execution time	Memory
471707		iliccmarko	Coins (IOI17_coins)	C++14	0 / 100	3 ms	1100 KiB

coins

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 10000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define single_case solve();
#define line cerr<<"----------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cerr.tie(NULL); }
#define mod 1000000007LL

vector<int> coin_flips(vector<int> b, int c)
{
    int y = c;
    for(int i = 0;i<64;i++)
        if(b[i]) y ^= i;
    b[y] ^= 1;
    vector<int> ans;
    for(int i = 0;i<64;i++) ans.pb(b[i]);
}

int find_coin(vector<int> b)
{
    int y = 0;
    for(int i = 0;i<64;i++) y ^= b[i];
    return y;
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:24:1: warning: no return statement in function returning non-void [-Wreturn-type]
   24 | }
      | ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50