結果

問題 No.2392 二平方和
ユーザー AsahiAsahi
提出日時 2023-07-28 22:05:46
言語 Java
(openjdk 23)
結果
AC  
実行時間 54 ms / 2,000 ms
コード長 7,749 bytes
コンパイル時間 3,015 ms
コンパイル使用メモリ 82,332 KB
実行使用メモリ 50,152 KB
最終ジャッジ日時 2024-10-06 18:58:06
合計ジャッジ時間 4,502 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
other AC * 26
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import java.util.*;
import java.io.*;
import java.math.*;
class Main{
static final int MOD7 = 1000000007;
static final int MOD9 = 998244353 ;
static final int inf = (1 << 30);
static final long lnf = (1L << 60);
final String yes = "Yes";
final String no = "No" ;
void solve(PrintWriter out , In in) {
long P = in.nextLong();
for(long i = 1 ; i * i <= P ; i ++ ) {
long j_j = P - (i * i) ;
if(isInteger(j_j)) {
long j = (int)Math.sqrt(j_j);
if(i * i + j * j == P) {
out.print(yes);
return;
}
}
}
out.print(no);
}
boolean isInteger (double value) { return (value == Math.floor(value)); }
public static void main(String[] args) {
PrintWriter pw = new PrintWriter(System.out);
In in = new In();
new Main().solve(pw,in);
pw.flush();
}
}
class Pair<T extends Comparable<T>, U extends Comparable<U>> implements Comparable<Pair<T, U>> {
private final T first;
private final U second;
Pair(T first, U second) {
this.first = first;
this.second = second;
}
T first() {
return first;
}
U second() {
return second;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Pair<?, ?> pair = (Pair<?, ?>) o;
return Objects.equals(first, pair.first) && Objects.equals(second, pair.second);
}
@Override
public int hashCode() {
return Objects.hash(first, second);
}
@Override
public int compareTo(Pair<T, U> other) {
T small_First = this.first , large_First = other.first;
U small_Second = this.second , large_Second = other.second;
int First_Result = small_First.compareTo(large_First);
int Second_Result = small_Second.compareTo(large_Second);
return First_Result == 0 ? Second_Result : First_Result ;
}
@Override
public String toString() {
return "(" + this.first + " , " + this.second + ")";
}
}
class Triple<T extends Comparable<T>, U extends Comparable<U>, V extends Comparable<V>> implements Comparable<Triple<T, U, V>> {
private final T first;
private final U second;
private final V third;
Triple(T first, U second, V third) {
this.first = first;
this.second = second;
this.third = third;
}
T first() {
return first;
}
U second() {
return second;
}
V third() {
return third;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Triple<?, ?, ?> triple = (Triple<?, ?, ?>) o;
return Objects.equals(first, triple.first)
&& Objects.equals(second, triple.second)
&& Objects.equals(third, triple.third) ;
}
@Override
public int hashCode() {
return Objects.hash(first, second, third);
}
@Override
public int compareTo(Triple<T, U, V> other) {
T small_First = this.first , large_First = other.first;
U small_Second = this.second , large_Second = other.second;
V small_Third = this.third , large_Third = other.third;
int First_Result = small_First.compareTo(large_First);
int Second_Result = small_Second.compareTo(large_Second);
int Third_Result = small_Third.compareTo(large_Third);
return First_Result == 0 ? (Second_Result == 0 ? Third_Result : Second_Result ) : First_Result;
}
@Override
public String toString() {
return "(" + this.first + " , " + this.second + " , " + this.third + ")";
}
}
class In{
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() {
if (hasNextByte()) return buffer[ptr++]; else return -1;
}
private static boolean isPrintableChar(int c) {
return 33 <= c && c <= 126;
}
public boolean hasNext() {
while(hasNextByte() && !isPrintableChar(buffer[ptr])) {
ptr++;
}
return hasNextByte();
}
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();
}
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();
}
}
int nextInt() {
long nl = nextLong();
if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
return (int) nl;
}
double nextDouble() {
return Double.parseDouble(next());
}
char nextChar() {
return next().charAt(0);
}
int [] IntArray(int n) {
final int [] Array = new int [n];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = nextInt();
}
return Array;
}
int [][] IntArray(int n , int m) {
final int [][] Array = new int [n][m];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = IntArray(m);
}
return Array;
}
long [] LongArray(int n) {
final long [] Array = new long [n];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = nextLong();
}
return Array;
}
long [][] LongArray(int n , int m) {
final long [][] Array = new long [n][m];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = LongArray(m);
}
return Array;
}
String [] StringArray(int n) {
final String [] Array = new String [n];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = next();
}
return Array;
}
char [] CharArray(int n) {
final char [] Array = new char[n];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = next().charAt(0);
}
return Array;
}
char [][] CharArray(int n , int m) {
final char [][] Array = new char [n][m];
for(int i = 0 ; i < n ; i ++ ) {
Array[i] = next().toCharArray();
}
return Array;
}
char [][] CharArray2(int n , int m) {
final char [][] Array = new char [n][m];
for(int i = 0 ; i < n ; i ++ ) {
for(int j = 0 ; j < n ; j ++ ) {
Array[i][j] = next().charAt(0);
}
}
return Array;
}
}
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