Submission #1093585


Source Code Expand

#include<bits/stdc++.h>
#define int long long int
#define MP make_pair
#define PB push_back
#define F first
#define S second
using namespace std;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef vector<PII> VP;
typedef pair<PII, int> PPI;
const int INF = 3e18;

int n, a[100010];
int *p[200010];
int pls[200010], mns[200010];
signed main()
{
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> a[i];

  for(int i = 0; i < n; i++){
    p[i] = p[n + i] = &a[i];
  }
  
  for(int i = 0; i < n; i++){
    if(*p[i] >= *p[i + 1]){
      int diff = *p[i] - *p[i + 1];
      if(diff % (n - 1) == 0){
	pls[i + 1] += diff / (n - 1);
	mns[i + n] += diff / (n - 1);
      }
      else{
	pls[i + 1] += diff / (n - 1) + 1;
	mns[i + n] += diff / (n - 1) + 1;
      }
    }
  }

  int now = 0, many = 0;
  for(int i = 0; i < 2 * n; i++){
    now += pls[i];
    many += pls[i];
    *p[i] -= now;
    many -= mns[i];
    now -= mns[i] * n;
    now += many;
  }

  bool flag = true;
  for(int i = 0; i < n; i++){
    if(*p[i])
      flag = false;
  }

  cout << (flag ? "YES" : "NO") << endl;
  return 0;
}

Submission Info

Submission Time
Task B - Boxes
User yuki681
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1158 Byte
Status RE
Exec Time 142 ms
Memory 4096 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 28
RE × 2
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
Case Name Status Exec Time Memory
in1.txt AC 46 ms 2688 KB
in10.txt AC 9 ms 512 KB
in11.txt AC 70 ms 2560 KB
in12.txt AC 71 ms 2560 KB
in13.txt AC 53 ms 2176 KB
in14.txt RE 142 ms 256 KB
in15.txt RE 113 ms 256 KB
in16.txt AC 3 ms 256 KB
in17.txt AC 3 ms 256 KB
in18.txt AC 3 ms 256 KB
in19.txt AC 3 ms 256 KB
in2.txt AC 67 ms 4096 KB
in20.txt AC 3 ms 256 KB
in21.txt AC 72 ms 4096 KB
in22.txt AC 72 ms 4096 KB
in23.txt AC 72 ms 4096 KB
in24.txt AC 6 ms 384 KB
in25.txt AC 9 ms 512 KB
in26.txt AC 69 ms 2560 KB
in27.txt AC 62 ms 2560 KB
in3.txt AC 72 ms 4096 KB
in4.txt AC 68 ms 2816 KB
in5.txt AC 68 ms 2688 KB
in6.txt AC 71 ms 2944 KB
in7.txt AC 66 ms 4096 KB
in8.txt AC 8 ms 512 KB
in9.txt AC 9 ms 512 KB
sample1.txt AC 2 ms 256 KB
sample2.txt AC 3 ms 256 KB
sample3.txt AC 2 ms 256 KB