Submission #1093372
Source Code Expand
#include <iostream> #include <fstream> #include <vector> #include <string> #include <algorithm> #include <set> #include <map> #include <cmath> #include <cstring> using namespace std; #define fi first #define se second typedef long long LL; typedef long double LD; LL N,a[100010]; int main(){ cin >> N; if (N==1){ cout << "YES\n"; return 0; } LL i,sum=0; for (i=1; i<=N; i++) cin >> a[i],sum+=a[i]; if (sum%(N*(N+1)/2)!=0){ cout << "NO\n"; return 0; } LL op=sum/(N*(N+1)/2); a[N+1]=a[1]; LL tot=0; for (i=1; i<=N; i++){ LL aux=op+a[i]-a[i+1]; if (aux<0 || aux%N!=0){ cout << "NO\n"; return 0; } tot+=aux/N; } if (tot!=op) cout << "NO\n"; else cout << "YES\n"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | yoseisan |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 896 Byte |
Status | AC |
Exec Time | 71 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 51 ms | 1024 KB |
in10.txt | AC | 9 ms | 256 KB |
in11.txt | AC | 65 ms | 1024 KB |
in12.txt | AC | 66 ms | 1024 KB |
in13.txt | AC | 55 ms | 1024 KB |
in14.txt | AC | 2 ms | 256 KB |
in15.txt | AC | 6 ms | 384 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 | 2 ms | 256 KB |
in2.txt | AC | 71 ms | 1024 KB |
in20.txt | AC | 3 ms | 256 KB |
in21.txt | AC | 67 ms | 1024 KB |
in22.txt | AC | 67 ms | 1024 KB |
in23.txt | AC | 66 ms | 1024 KB |
in24.txt | AC | 5 ms | 256 KB |
in25.txt | AC | 9 ms | 256 KB |
in26.txt | AC | 70 ms | 1024 KB |
in27.txt | AC | 68 ms | 1024 KB |
in3.txt | AC | 71 ms | 1024 KB |
in4.txt | AC | 70 ms | 1024 KB |
in5.txt | AC | 70 ms | 1024 KB |
in6.txt | AC | 68 ms | 1024 KB |
in7.txt | AC | 67 ms | 1024 KB |
in8.txt | AC | 8 ms | 256 KB |
in9.txt | AC | 9 ms | 384 KB |
sample1.txt | AC | 3 ms | 256 KB |
sample2.txt | AC | 3 ms | 256 KB |
sample3.txt | AC | 2 ms | 256 KB |