Submission #7460025
Source Code Expand
import java.io.IOException; import java.io.InputStream; import java.util.*; import java.lang.Math; public class Main { public static void main(String[] args) { FS reader = new FS(); // write reader int R = reader.nextInt(); int N = reader.nextInt(); int M = reader.nextInt(); double ans = 0.0; for (int i=1; i<N+M; i++) { // calc sum of max(length(i), length(i+M)) double a = 0; double b = 0; a = Math.sqrt(Math.pow((double)R,2) - Math.pow((double)R-((double)R*2/N*i),2)); b = Math.sqrt(Math.pow((double)R,2) - Math.pow((double)R-((double)R*2/N*(i-M)),2)); if (Double.isNaN(a)) a = 0.0; if (Double.isNaN(b)) b = 0.0; ans += Math.max(a, b)*2; } System.out.println(ans); } public static void solver() { // write logic } // Read Class static class FS { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { return hasNextByte() ? buffer[ptr++] : -1;} private boolean isPrintableChar(int c) {return 33 <= c && c <= 126;} private void skipUnprintable() {while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public int nextInt() { return (int)nextLong(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if(b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } } }
Submission Info
Submission Time | |
---|---|
Task | B - ステップカット |
User | gahou |
Language | Java8 (OpenJDK 1.8.0) |
Score | 200 |
Code Size | 3240 Byte |
Status | AC |
Exec Time | 94 ms |
Memory | 21460 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 | 71 ms | 18900 KB |
00_example_02.txt | AC | 68 ms | 17748 KB |
00_example_03.txt | AC | 91 ms | 21460 KB |
10_rand_01.txt | AC | 68 ms | 21076 KB |
10_rand_02.txt | AC | 68 ms | 21204 KB |
10_rand_03.txt | AC | 84 ms | 20052 KB |
10_rand_04.txt | AC | 70 ms | 19156 KB |
10_rand_05.txt | AC | 74 ms | 18516 KB |
10_rand_06.txt | AC | 71 ms | 20948 KB |
10_rand_07.txt | AC | 76 ms | 18132 KB |
10_rand_08.txt | AC | 75 ms | 20564 KB |
20_hand_01.txt | AC | 89 ms | 20052 KB |
20_hand_02.txt | AC | 94 ms | 18900 KB |
20_hand_03.txt | AC | 92 ms | 21204 KB |
20_hand_04.txt | AC | 70 ms | 19412 KB |
20_hand_05.txt | AC | 74 ms | 21076 KB |