Submission #1372817
Source Code Expand
/* _ _ _______ _ _ | | / / | _____| | | / / | | / / | | | | / / | |/ / | |_____ | |/ / | |\ \ | _____| | |\ \ | | \ \ | | | | \ \ | | \ \ | |_____ | | \ \ |_| \_\ |_______| |_| \_\ */ /*#include <iostream> #include <cstdio> #include <set> #include <map> #include <stack> #include <queue> #include <vector> #include <cstring> #include <string> #include <iomanip> #include <cmath> #include <algorithm> #include <assert.h>*/ #include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef double ld; typedef pair <int, int> PII; typedef pair <ll, ll> PLL; #define F first #define S second #define pb push_back #define eb emplace_back #define right(x) x << 1 | 1 #define left(x) x << 1 #define forn(x, a, b) for (int x = a; x <= b; ++x) #define for1(x, a, b) for (int x = a; x >= b; --x) #define mkp make_pair #define sz(a) (int)a.size() #define all(a) a.begin(), a.end() #define y1 kekekek const ll ool = 1e18 + 9; const int oo = 1e9 + 9, base = 1e9 + 7; const ld eps = 1e-7; const int N = 2e6 + 6; ll n, sum, sum2, a[N]; int main() { ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> n; forn(i, 1, n) { cin >> a[i]; sum += a[i]; } if (sum % (n * (n + 1) / 2) != 0) { cout << "NO\n"; return 0; } a[n + 1] = a[1]; ll lim = sum / (n * (n + 1) / 2); ll cnt = 0; forn(i, 2, n + 1) { ll x = a[i] - a[i - 1]; if (x > lim || (lim - x) % n != 0) { cout << "NO\n"; return 0; } cnt += (lim - x) / n; } if (cnt != lim) cout << "NO\n"; else cout << "YES\n"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | krauch |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1800 Byte |
Status | AC |
Exec Time | 13 ms |
Memory | 1024 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 | 11 ms | 1024 KB |
in10.txt | AC | 2 ms | 384 KB |
in11.txt | AC | 11 ms | 1024 KB |
in12.txt | AC | 11 ms | 1024 KB |
in13.txt | AC | 9 ms | 896 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 | 13 ms | 1024 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 11 ms | 1024 KB |
in22.txt | AC | 11 ms | 1024 KB |
in23.txt | AC | 11 ms | 1024 KB |
in24.txt | AC | 2 ms | 256 KB |
in25.txt | AC | 2 ms | 384 KB |
in26.txt | AC | 11 ms | 1024 KB |
in27.txt | AC | 11 ms | 1024 KB |
in3.txt | AC | 13 ms | 1024 KB |
in4.txt | AC | 13 ms | 1024 KB |
in5.txt | AC | 13 ms | 1024 KB |
in6.txt | AC | 11 ms | 1024 KB |
in7.txt | AC | 11 ms | 1024 KB |
in8.txt | AC | 2 ms | 384 KB |
in9.txt | AC | 2 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |