CSES - DatatÃ¤hti Open 2017 - Results
 Task: Family reunion Sender: Kaban-5 Submission time: 2017-01-20 18:12:32 +0200 Language: C++ Status: READY Result: 19
Feedback
groupverdictscore
#1UNKNOWN0
#2UNKNOWN0
#3UNKNOWN0
Test results
testverdicttimegroup
#1UNKNOWN--1details
#2UNKNOWN--2details
#3UNKNOWN--3details

Code

```//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fst first
#define snd second
#define forn(i, n) for (int i = 0; i < int(n); ++i)
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef vector<pii> vii;
#define sz(c) (int)(c).size()
#define ALL(c) (c).begin(), (c).end()

void solve (int n)
{
int m, k;
cin >> m >> k;
assert(m == 1 && 2 * k + 1 == n - 1);
vi v(2 * k + 1);
forn (i, sz(v))
{
cin >> v[i];
--v[i];
}
const int who = v[k];

vector<char> used(n);
for (int i : v) used[i] = 1;
int pos = find(ALL(used), 0) - used.begin();
assert(pos != n);
v.pb(pos);
int where0 = find(ALL(v), 0) - v.begin();
assert(where0 != sz(v));
rotate(v.begin(), v.begin() + where0, v.end());
assert(v[0] == 0);
int our = find(ALL(v), who) - v.begin();
assert(our != sz(v));
cout << (char)('A' + (our % 2)) << endl;
}

int main()
{
#ifndef ONLINE_JUDGE
//freopen("input.txt", "rt", stdin);
//freopen("output.txt", "w", stdout);
#endif // ONLINE_JUDGE

ios_base::sync_with_stdio(false);
cin.tie(0);

int n;
while (cin >> n)
solve(n);
}
```

Test details

Test 1

Group: 1

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=\$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)

Test 2

Group: 2

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=\$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)

Test 3

Group: 3

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=\$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)