Submission #968367
Source Code Expand
#include "bits/stdc++.h" using namespace std; #define int long long #define DEBUG 0 #define rep(i,a,b) for(int i=(a);i<(b);i++) #define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--) #define all(a) (a).begin(),(a).end() #define dump(o) if(DEBUG){cerr<<#o<<" "<<o<<endl;} #define dumpc(o) if(DEBUG){cerr<<#o; for(auto &e:(o))cerr<<" "<<e;cerr<<endl;} using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; static const int MOD = 1e9 + 7; signed main() { cout << fixed << setprecision(10); int R, N, M; cin >> R >> N >> M; double ans = 0; rep(i, 1, N + M) { double a = max(R - (double)(2 * R)*i / N, (double)(2 * R)*i / N - R); double b = max(R - (double)(2 * R)*(i - M) / N, (double)(2 * R)*(i - M) / N - R); double c = i - M < 0 ? a : min(a, b); double d = sqrt(R*R - c*c) * 2; dump(a); dump(b); dump(c); dump(d); ans += d; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - ステップカット |
User | minaminao |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 1027 Byte |
Status | AC |
Exec Time | 5 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
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 | 2 ms | 256 KB |
00_example_02.txt | AC | 2 ms | 256 KB |
00_example_03.txt | AC | 4 ms | 256 KB |
10_rand_01.txt | AC | 2 ms | 256 KB |
10_rand_02.txt | AC | 2 ms | 256 KB |
10_rand_03.txt | AC | 3 ms | 256 KB |
10_rand_04.txt | AC | 2 ms | 256 KB |
10_rand_05.txt | AC | 2 ms | 256 KB |
10_rand_06.txt | AC | 2 ms | 256 KB |
10_rand_07.txt | AC | 3 ms | 256 KB |
10_rand_08.txt | AC | 3 ms | 256 KB |
20_hand_01.txt | AC | 4 ms | 256 KB |
20_hand_02.txt | AC | 5 ms | 256 KB |
20_hand_03.txt | AC | 4 ms | 256 KB |
20_hand_04.txt | AC | 2 ms | 256 KB |
20_hand_05.txt | AC | 2 ms | 256 KB |