Submission #1869881


Source Code Expand

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <climits>

#define rep(i, m, n) for(int i=int(m);i<int(n);i++)
#define EACH(i, c) for (auto &(i): c)
#define all(c) begin(c),end(c)
#define EXIST(s, e) ((s).find(e)!=(s).end())
#define SORT(c) sort(begin(c),end(c))
#define pb emplace_back
#define MP make_pair
#define SZ(a) int((a).size())

//#define LOCAL 0
//#ifdef LOCAL
//#define DEBUG(s) cout << (s) << endl
//#define dump(x)  cerr << #x << " = " << (x) << endl
//#define BR cout << endl;
//#else
//#define DEBUG(s) do{}while(0)
//#define dump(x) do{}while(0)
//#define BR
//#endif


//改造
typedef long long int ll;
using namespace std;
#define INF (1 << 20)
#define INFl (ll)5e15
#define DEBUG 0 //デバッグする時1にしてね
#define dump(x)  cerr << #x << " = " << (x) << endl

//ここから編集する


int main() {
    int N;
    cin >> N;
    vector<ll> A(N),B(N);
    ll sum_A = 0LL;
    ll T = 1LL * N * (N + 1) / 2;

    rep(i,0,N){
        cin >> A[i];
        sum_A += 1LL * A[i];
    }

    if(sum_A % T != 0){
        cout << "NO" << endl;
        return 0;
    }

    ll K = sum_A / T;

    for(int i = 0; i < N-1;i++){
        B[i] = A[i+1] - A[i];
    }
    B[N-1] = A[0] - A[N-1];

    rep(i,0,N){
        B[i] -= K;
    }

    rep(i,0,N){
        if(B[i] % N != 0){
            cout << "NO" << endl;
            return 0;
        }
    }
    cout << "YES" << endl;

    return 0;
}

Submission Info

Submission Time
Task B - Boxes
User homesentinel
Language C++14 (GCC 5.4.1)
Score 0
Code Size 2071 Byte
Status WA
Exec Time 45 ms
Memory 1792 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 28
WA × 5
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 33 ms 1792 KB
in10.txt AC 5 ms 384 KB
in11.txt WA 42 ms 1792 KB
in12.txt WA 41 ms 1792 KB
in13.txt WA 35 ms 1536 KB
in14.txt AC 1 ms 256 KB
in15.txt AC 1 ms 256 KB
in16.txt AC 1 ms 256 KB
in17.txt AC 1 ms 256 KB
in18.txt AC 1 ms 256 KB
in19.txt AC 1 ms 256 KB
in2.txt AC 42 ms 1792 KB
in20.txt AC 1 ms 256 KB
in21.txt AC 41 ms 1792 KB
in22.txt AC 40 ms 1792 KB
in23.txt AC 40 ms 1792 KB
in24.txt AC 3 ms 384 KB
in25.txt AC 5 ms 384 KB
in26.txt WA 41 ms 1792 KB
in27.txt WA 41 ms 1792 KB
in3.txt AC 45 ms 1792 KB
in4.txt AC 42 ms 1792 KB
in5.txt AC 42 ms 1792 KB
in6.txt AC 41 ms 1792 KB
in7.txt AC 41 ms 1792 KB
in8.txt AC 5 ms 384 KB
in9.txt AC 5 ms 384 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB