Submission #6773935
Source Code Expand
#include <iostream> #include <cstdio> #include <cstdlib> #include <string> #include <cstring> #include <cstdint> #include <vector> #include <algorithm> #include <cmath> #include<iomanip> using namespace std; static const long long MOD = 1000000007LL; typedef long long ll; int main() { double r,n,m; cin>>r>>n>>m; double sum=0; for(int i=1;i<=n+m-1;i++) { double a; double b; if(i>=1&&i<=n-1) a=sqrt(abs(r*r-(i*2*r/n-r)*(i*2*r/n-r))); else a=0; if(i-m>=1&&i-m<=n-1) b=sqrt(abs(r*r-((i-m)*2*r/n-r)*((i-m)*2*r/n-r))); else b=0; double c= max(a,b); sum+=2*c; } cout<<setiosflags(ios::fixed)<<setprecision(20)<<sum<<endl; return 0; }
Submission Info
Submission Time | |
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Task | B - ステップカット |
User | conan1024hao |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 730 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
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Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_hand_01.txt, 20_hand_02.txt, 20_hand_03.txt, 20_hand_04.txt, 20_hand_05.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 1 ms | 256 KB |
00_example_02.txt | AC | 1 ms | 256 KB |
00_example_03.txt | AC | 3 ms | 256 KB |
10_rand_01.txt | AC | 1 ms | 256 KB |
10_rand_02.txt | AC | 1 ms | 256 KB |
10_rand_03.txt | AC | 2 ms | 256 KB |
10_rand_04.txt | AC | 1 ms | 256 KB |
10_rand_05.txt | AC | 1 ms | 256 KB |
10_rand_06.txt | AC | 1 ms | 256 KB |
10_rand_07.txt | AC | 2 ms | 256 KB |
10_rand_08.txt | AC | 1 ms | 256 KB |
20_hand_01.txt | AC | 3 ms | 256 KB |
20_hand_02.txt | AC | 3 ms | 256 KB |
20_hand_03.txt | AC | 3 ms | 256 KB |
20_hand_04.txt | AC | 1 ms | 256 KB |
20_hand_05.txt | AC | 1 ms | 256 KB |