Submission #1722226
Source Code Expand
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key typedef long long ll; typedef pair<ll,ll> ii; typedef vector<int> vi; typedef long double ld; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; typedef set<int>::iterator sit; typedef map<int,int>::iterator mit; typedef vector<int>::iterator vit; ll n; ll a[100001]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>n; for(int i = 0; i < n; i++) { cin>>a[i]; } ll sum = 0; for(int i = 0; i < n; i++) { sum+=a[i]; } ll tot = (ll(n)*ll(n+1))/2; if(sum%tot==0) { ll xsum = sum/tot; for(int i = 1; i <= n; i++) { int u = i; int v = i-1; if(u==n) u=0; ll diff = a[u] - a[v]; ll nx2 = xsum - diff; if(nx2<0) { cout<<"NO\n"; return 0; } if(nx2%n==0) { } else { cout<<"NO\n"; return 0; } } cout<<"YES\n"; } else { cout<<"NO\n"; } }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | vjudge3 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1158 Byte |
Status | AC |
Exec Time | 12 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 | 10 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 | 12 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 | 12 ms | 1024 KB |
in4.txt | AC | 12 ms | 1024 KB |
in5.txt | AC | 12 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 |