結果
問題 | No.781 円周上の格子点の数え上げ |
ユーザー | Oland |
提出日時 | 2019-07-24 18:14:36 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,296 bytes |
コンパイル時間 | 2,462 ms |
コンパイル使用メモリ | 82,252 KB |
実行使用メモリ | 231,640 KB |
最終ジャッジ日時 | 2024-06-28 02:04:06 |
合計ジャッジ時間 | 7,339 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 56 ms
42,480 KB |
testcase_01 | AC | 55 ms
37,376 KB |
testcase_02 | AC | 55 ms
37,152 KB |
testcase_03 | AC | 54 ms
37,152 KB |
testcase_04 | AC | 54 ms
37,064 KB |
testcase_05 | AC | 54 ms
37,324 KB |
testcase_06 | AC | 96 ms
40,652 KB |
testcase_07 | AC | 123 ms
44,436 KB |
testcase_08 | TLE | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
ソースコード
import java.io.*; import java.lang.reflect.Array; import java.util.*; import java.util.Map.Entry; import java.util.function.Function; import java.util.stream.Collectors; @SuppressWarnings("unused") public class Main { FastScanner in = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); final int MOD = (int)1e9+7; void printlnYN(boolean b){out.println((b ? "YES" : "NO"));} //System.out.println();はつかわない!! void solve() throws Exception{ int minR = in.nextInt(), maxR = in.nextInt(), ans = 0; HashMap<Integer, Integer> map = new HashMap<>(); for(long x = 0; x * x <= maxR; x++){ for(long y = x; y * y <= maxR; y++){ int r = (int)(x * x + y * y); int cnt = 8; if(x == 0) cnt /= 2; if(y == 0) cnt /= 2; if(x == y) cnt /= 2; if(map.containsKey(r)) cnt += map.get(r); map.put(r, cnt); if(r >= minR && r <= maxR) ans = Math.max(ans, cnt); } } out.println(ans); } public static void main(String[] args) throws Exception { new Main().m(); } void m() throws Exception { solve(); out.flush(); } class FastScanner { Reader input; FastScanner() {this(System.in);} FastScanner(InputStream stream) {this.input = new BufferedReader(new InputStreamReader(stream));} int nextInt() {return (int) nextLong();} long nextLong() { try { int sign = 1; int b = input.read(); while ((b < '0' || '9' < b) && b != '-' && b != '+') { b = input.read(); } if (b == '-') { sign = -1; b = input.read(); } else if (b == '+') { b = input.read(); } long ret = b - '0'; while (true) { b = input.read(); if (b < '0' || '9' < b) return ret * sign; ret *= 10; ret += b - '0'; } } catch (IOException e) { e.printStackTrace(); return -1; } } double nextDouble() { try { double sign = 1; int b = input.read(); while ((b < '0' || '9' < b) && b != '-' && b != '+') { b = input.read(); } if (b == '-') { sign = -1; b = input.read(); } else if (b == '+') { b = input.read(); } double ret = b - '0'; while (true) { b = input.read(); if (b < '0' || '9' < b) break; ret *= 10; ret += b - '0'; } if (b != '.') return sign * ret; double div = 1; b = input.read(); while ('0' <= b && b <= '9') { ret *= 10; ret += b - '0'; div *= 10; b = input.read(); } return sign * ret / div; } catch (IOException e) { e.printStackTrace(); return Double.NaN; } } char nextChar() { try { int b = input.read(); while (Character.isWhitespace(b)) { b = input.read(); } return (char) b; } catch (IOException e) { e.printStackTrace(); return 0; } } String nextStr() { try { StringBuilder sb = new StringBuilder(); int b = input.read(); while (Character.isWhitespace(b)) { b = input.read(); } while (b != -1 && !Character.isWhitespace(b)) { sb.append((char) b); b = input.read(); } return sb.toString(); } catch (IOException e) { e.printStackTrace(); return ""; } } public int[] nextIntArray(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt(); } return res; } public int[] nextIntArrayDec(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt() - 1; } return res; } public int[] nextIntArray1Index(int n) { int[] res = new int[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextInt(); } return res; } public long[] nextLongArray(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong(); } return res; } public long[] nextLongArrayDec(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong() - 1; } return res; } public long[] nextLongArray1Index(int n) { long[] res = new long[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextLong(); } return res; } public double[] nextDoubleArray(int n) { double[] res = new double[n]; for (int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; } } } /* end Main */