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NOI 2024

Chair Game

  • Start: 2024-03-06 15:00:00
  • End: 2024-03-06 20:00:00
CSES - NOI 2024 - Results
Submission details
Task:Chair Game
Sender:Theodor Beskow
Submission time:2024-03-17 15:23:49 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
#70
#80
Test results
testverdicttimegroup
#1--1, 7, 8details
#2--1, 7, 8details
#3--1, 7, 8details
#4--1, 7, 8details
#5--1, 7, 8details
#6--7, 8details
#7--7, 8details
#8--2, 8details
#9--3, 4, 5, 6, 8details
#10ACCEPTED0.01 s3, 4, 5, 6, 8details
#11--3, 4, 5, 6, 8details
#12ACCEPTED0.02 s3, 4, 5, 6, 8details
#13--4, 5, 6, 7, 8details
#14--4, 5, 6, 8details
#15--4, 5, 6, 8details
#16--4, 5, 6, 8details
#17--5, 6, 7, 8details
#18--5, 6, 8details
#19--5, 6, 8details
#20--5, 6, 8details
#21--1, 6, 7, 8details
#22--6, 7, 8details
#23--6, 8details
#24--6, 8details
#25--8details
#26--8details
#27ACCEPTED0.01 s3, 4, 5, 6, 8details
#28ACCEPTED0.01 s8details
#29--8details
#30--8details

Code

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

// #undef _GLIBCXX_DEBUG                // disable run-time bound checking, etc
// #pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
// #pragma GCC optimize ("unroll-loops")

// #pragma GCC target("bmi,bmi2,lzcnt,popcnt")                      // bit manipulation
// #pragma GCC target("movbe")                                      // byte swap
// #pragma GCC target("aes,pclmul,rdrnd")                           // encryption
// #pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD

// #include <bits/extc++.h>
// using namespace __gnu_pbds;
// template<class T>using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
// template<class T>using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define ll long long
#define INF ((ll)(1e9+7))
#define fo(i, n) for(ll i=0;i<((ll)n);i++)
#define deb(x) cout << #x << " = " << (x) << endl;
#define deb2(x, y) cout << #x << " = " << (x) << ", " << #y << " = " << (y) << endl
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define LSOne(S) ((S) & (-S))
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
inline int readint(){ int v = 0; char c; while((c = getchar()) != EOF && c != ' ' && c != '\n'){ v *= 10; v += c - '0'; } return v; }
inline int readintsigned() { int v = 0; int sign = 1; char c = getchar(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } return v * sign; }
inline string readstring() { string s; char c; while ((c = getchar()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } return s; }
template <class result_t=std::chrono::milliseconds,class clock_t=std::chrono::steady_clock,class duration_t = std::chrono::milliseconds>
auto since(std::chrono::time_point<clock_t, duration_t> const& start){return std::chrono::duration_cast<result_t>(clock_t::now() - start);}
typedef pair<int, int> pii;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pl> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<vpii> vvpii;
typedef vector<vpl> vvpl;


int main(){
    cin.tie(0)->sync_with_stdio(0);
    mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

    ll t;
    cin >> t;
    while(t--){
        ll n;
        cin >> n;
        vector<ll> v(n, 0);
        ll currentSum = 0;

        fo(i, n){
            cin >> v[i];
            // currentSum+=v[i];
        }

        if(currentSum % n != 0){
            cout << "NO\n";
            continue;
        }

        fo(i, n) v[i]-=currentSum/n;
        // shuffle(v.begin(), v.end(), rnd);
        sort(all(v));
        vl seen(n, 0), at(n, 0);
        fo(i, n){
            int pos = i;
            int val = v[i];
            // deb2(pos, val);
            // fo(j, n) cout << at[j]+currentSum/n << " ";
            // cout << endl;
            // fo(j, n) cout << seen[j] << " ";
            // cout << endl;
            while(seen[(pos+n+val)%n]){
                
                fo(j, i+1){
                    if(j == pos) continue;
                    if(!seen[(at[j]+n+pos)%n]){
                        swap(seen[(at[j]+n+pos)%n], seen[(at[j]+n+j)%n]);
                        swap(at[pos], at[j]);
                        pos = j;
                        break;
                    }
                }
            }
            seen[(pos+val+n)%n] = 1;
            // deb2(pos, val);
            at[pos] = val;
        }

        cout << "YES\n";
        fo(i, n) cout << at[i] + currentSum/n << " ";
        cout << "\n";
    }

    return 0;
}

Test details

Test 1

Group: 1, 7, 8

Verdict:

input
637
1
1
2
1 1
...
view save

correct output
YES
1 
YES
1 1 
YES
...
view save

user output
(empty)

Test 2

Group: 1, 7, 8

Verdict:

input
246
7
1 1 1 1 1 1 1
7
1 1 2 1 1 7 1
...
view save

correct output
YES
1 1 1 1 1 1 1 
YES
1 1 1 1 2 7 1 
YES
...
view save

user output
(empty)

Test 3

Group: 1, 7, 8

Verdict:

input
810
8
1 1 1 1 1 1 1 1
8
1 1 1 8 1 1 2 1
...
view save

correct output
YES
1 1 1 1 1 1 1 1 
YES
1 1 2 8 1 1 1 1 
YES
...
view save

user output
(empty)

Test 4

Group: 1, 7, 8

Verdict:

input
1000
8
8 8 5 2 8 7 6 5
8
6 5 2 2 8 2 1 6
...
view save

correct output
NO
YES
8 2 2 6 2 5 1 6 
NO
NO
...
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user output
(empty)

Test 5

Group: 1, 7, 8

Verdict:

input
1000
8
2 1 7 7 2 3 8 2
8
4 1 5 4 7 3 5 3
...
view save

correct output
YES
7 2 2 7 1 3 8 2 
YES
4 4 7 3 3 5 5 1 
YES
...
view save

user output
(empty)

Test 6

Group: 7, 8

Verdict:

input
1000
16
15 16 6 4 14 2 1 6 2 16 10 2 9...
view save

correct output
NO
NO
NO
NO
NO
...
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user output
(empty)

Test 7

Group: 7, 8

Verdict:

input
1000
16
2 4 13 6 8 16 12 8 16 5 9 5 9 ...
view save

correct output
YES
13 5 2 8 12 2 8 5 16 16 9 6 9 ...
view save

user output
(empty)

Test 8

Group: 2, 8

Verdict:

input
1000
1
1
2
1 2
...
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correct output
YES
1 
NO
YES
3 1 2 
...
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user output
(empty)

Test 9

Group: 3, 4, 5, 6, 8

Verdict:

input
988
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 10

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
199
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
YES
1 
YES
1 1 
YES
...
Truncated

Test 11

Group: 3, 4, 5, 6, 8

Verdict:

input
1000
100
1 1 1 2 1 1 2 2 1 1 1 1 1 2 1 ...
view save

correct output
NO
NO
NO
NO
NO
...
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user output
(empty)

Test 12

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view save

correct output
YES
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view save

user output
YES
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
Truncated

Test 13

Group: 4, 5, 6, 7, 8

Verdict:

input
963
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 14

Group: 4, 5, 6, 8

Verdict:

input
979
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 15

Group: 4, 5, 6, 8

Verdict:

input
1000
100
3 3 1 2 1 1 2 3 1 3 2 1 1 3 1 ...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Test 16

Group: 4, 5, 6, 8

Verdict:

input
1000
100
1 2 2 2 2 1 1 1 2 3 1 1 3 2 1 ...
view save

correct output
YES
2 2 2 3 1 2 3 1 2 3 1 3 1 3 1 ...
view save

user output
(empty)

Test 17

Group: 5, 6, 7, 8

Verdict:

input
980
1
1
2
1 1
...
view save

correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 18

Group: 5, 6, 8

Verdict:

input
947
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 19

Group: 5, 6, 8

Verdict:

input
1000
100
1 2 4 2 1 3 1 2 2 3 1 1 3 1 4 ...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Test 20

Group: 5, 6, 8

Verdict:

input
1000
100
3 4 4 4 4 4 4 3 3 3 4 4 2 3 3 ...
view save

correct output
YES
4 2 4 4 1 3 4 2 4 2 3 4 2 4 4 ...
view save

user output
(empty)

Test 21

Group: 1, 6, 7, 8

Verdict:

input
715
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
view save

user output
(empty)

Test 22

Group: 6, 7, 8

Verdict:

input
843
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
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user output
(empty)

Test 23

Group: 6, 8

Verdict:

input
1000
100
3 4 5 1 4 4 2 3 2 3 4 1 1 1 2 ...
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correct output
NO
NO
NO
NO
NO
...
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user output
(empty)

Test 24

Group: 6, 8

Verdict:

input
1000
100
5 3 4 3 5 3 3 5 5 4 5 5 5 5 2 ...
view save

correct output
YES
4 4 5 5 2 4 4 5 3 5 5 2 5 5 2 ...
view save

user output
(empty)

Test 25

Group: 8

Verdict:

input
1000
100
88 70 59 44 28 10 19 19 42 16 ...
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correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Test 26

Group: 8

Verdict:

input
1000
100
31 72 52 30 77 56 79 10 88 11 ...
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correct output
YES
31 62 14 10 66 63 1 82 37 92 3...
view save

user output
(empty)

Test 27

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
1
1
2
1 1
...
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correct output
YES
1 
YES
1 1 
YES
...
view save

user output
YES
1 
YES
1 1 
YES
...
Truncated

Test 28

Group: 8

Verdict: ACCEPTED

input
1000
1
1
2
2 2
...
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correct output
YES
1 
YES
2 2 
YES
...
view save

user output
YES
1 
YES
2 2 
YES
...
Truncated

Test 29

Group: 8

Verdict:

input
1000
100
87 81 29 35 8 98 77 50 46 34 5...
view save

correct output
YES
34 74 25 91 80 18 95 26 88 12 ...
view save

user output
(empty)

Test 30

Group: 8

Verdict:

input
1000
100
65 92 39 22 67 41 17 65 97 71 ...
view save

correct output
YES
9 38 24 59 69 24 63 3 22 35 24...
view save

user output
(empty)

Tasks

A Anime Shops-B Chair Game-C Thin Ice-

Submissions (Theodor Beskow)

2024-03-18 19:02:32 1002024-03-18 18:54:31 42024-03-17 15:23:49 02024-03-17 15:14:44 42024-03-15 00:26:53 442024-03-15 00:24:17 282024-03-15 00:18:54 322024-03-14 21:44:54 122024-03-14 21:37:04 122024-03-14 21:08:54 122024-03-14 20:42:13 122024-03-14 20:39:12 2024-03-14 20:38:25 2024-03-14 20:34:44 122024-03-06 20:00:01 122024-03-06 20:00:01 122024-03-06 19:59:46 122024-03-06 19:59:36 122024-03-06 19:59:23 122024-03-06 19:58:56 2024-03-06 19:58:27 82024-03-06 19:22:23 122024-03-06 19:12:59 122024-03-06 19:12:46 122024-03-06 19:11:56 42024-03-06 19:10:47 122024-03-06 18:56:59 122024-03-06 18:56:47 122024-03-06 18:55:03 122024-03-06 18:17:37 242024-03-06 18:15:56 92024-03-06 18:14:25 02024-03-06 18:04:23 172024-03-06 18:03:15 82024-03-06 16:50:08 9