Submission #1869884
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 || B[i] > 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 | 500 |
Code Size | 2083 Byte |
Status | AC |
Exec Time | 42 ms |
Memory | 1792 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
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 | 35 ms | 1792 KB |
in10.txt | AC | 5 ms | 384 KB |
in11.txt | AC | 41 ms | 1792 KB |
in12.txt | AC | 40 ms | 1792 KB |
in13.txt | AC | 34 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 | 40 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 | AC | 40 ms | 1792 KB |
in27.txt | AC | 40 ms | 1792 KB |
in3.txt | AC | 42 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 |