Submission #7511607
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rrep(i,n) for(int i=(int)(n-1);i>=0;i--) #define FOR(i,n,m) for(int i=n;i<=(int)(m);i++) #define RFOR(i,n,m) for(int i=(int)(n);i>=m;i--) #define all(x) (x).begin(),(x).end() #define sz(x) int(x.size()) typedef long long ll; const int INF = 1e9; const int MOD = 1e9+7; const ll LINF = 1e18; using namespace std; vector<int> dy={1,0,-1,0}; vector<int> dx={0,1,0,-1}; template<class T> vector<T> make_vec(size_t a){ return vector<T>(a); } template<class T, class... Ts> auto make_vec(size_t a, Ts... ts){ return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } int main(){ int n; cin>>n; vector<int> c(n); rep(i,n) cin>>c[i]; vector<int> yakusuu(n); rep(i,n){ rep(j,n){ if(c[i]%c[j]==0) yakusuu[i]++; } } double ans=0; rep(i,n){ if(yakusuu[i]%2==0) ans+=0.5; else ans+=(double)(yakusuu[i]+1)/(2*yakusuu[i]); } cout<<fixed<<setprecision(10)<<ans<<endl; }
Submission Info
Submission Time | |
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Task | C - コイン |
User | gyouzasushi |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1094 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 99 / 99 | 1 / 1 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
Subtask1 | subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt |
Subtask2 | subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask1_01.txt | AC | 1 ms | 256 KB |
subtask1_02.txt | AC | 1 ms | 256 KB |
subtask1_03.txt | AC | 1 ms | 256 KB |
subtask1_04.txt | AC | 1 ms | 256 KB |
subtask1_05.txt | AC | 1 ms | 256 KB |
subtask1_06.txt | AC | 1 ms | 256 KB |
subtask1_07.txt | AC | 1 ms | 256 KB |
subtask1_08.txt | AC | 1 ms | 256 KB |
subtask1_09.txt | AC | 1 ms | 256 KB |
subtask1_10.txt | AC | 1 ms | 256 KB |
subtask1_11.txt | AC | 1 ms | 256 KB |
subtask1_12.txt | AC | 1 ms | 256 KB |
subtask1_13.txt | AC | 1 ms | 256 KB |
subtask1_14.txt | AC | 1 ms | 256 KB |
subtask1_15.txt | AC | 1 ms | 256 KB |
subtask1_16.txt | AC | 1 ms | 256 KB |
subtask1_17.txt | AC | 1 ms | 256 KB |
subtask1_18.txt | AC | 1 ms | 256 KB |
subtask1_19.txt | AC | 1 ms | 256 KB |
subtask1_20.txt | AC | 1 ms | 256 KB |
subtask2_01.txt | AC | 1 ms | 256 KB |
subtask2_02.txt | AC | 1 ms | 256 KB |
subtask2_03.txt | AC | 1 ms | 256 KB |
subtask2_04.txt | AC | 1 ms | 256 KB |
subtask2_05.txt | AC | 1 ms | 256 KB |
subtask2_06.txt | AC | 1 ms | 256 KB |
subtask2_07.txt | AC | 1 ms | 256 KB |
subtask2_08.txt | AC | 1 ms | 256 KB |
subtask2_09.txt | AC | 1 ms | 256 KB |
subtask2_10.txt | AC | 1 ms | 256 KB |
subtask2_11.txt | AC | 1 ms | 256 KB |
subtask2_12.txt | AC | 1 ms | 256 KB |
subtask2_13.txt | AC | 1 ms | 256 KB |
subtask2_14.txt | AC | 1 ms | 256 KB |
subtask2_15.txt | AC | 1 ms | 256 KB |
subtask2_16.txt | AC | 1 ms | 256 KB |
subtask2_17.txt | AC | 1 ms | 256 KB |
subtask2_18.txt | AC | 1 ms | 256 KB |
subtask2_19.txt | AC | 1 ms | 256 KB |
subtask2_20.txt | AC | 1 ms | 256 KB |