結果
| 問題 |
No.152 貯金箱の消失
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-02-16 00:39:34 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 118 ms / 5,000 ms |
| コード長 | 2,398 bytes |
| コンパイル時間 | 2,160 ms |
| コンパイル使用メモリ | 78,976 KB |
| 実行使用メモリ | 51,352 KB |
| 最終ジャッジ日時 | 2024-06-23 20:37:17 |
| 合計ジャッジ時間 | 3,638 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 12 |
ソースコード
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.TreeSet;
public class Main {
public static boolean result[];
public static int dp[][];
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
long n = in.nextLong()/4;
long count = 0;
long mod = 1000003;
// TreeSet<Integer> set = new TreeSet<Integer>();
int max;
for(max=1; max*max<=n; max++);
for(int i=1; i<max; i++){
for(int j=i+1; j<=max; j++){
if((j-i)%2 == 0) continue;
if(gcd(i,j) != 1) continue;
int a = i*i+j*j;
int b = 2*i*j;
int c = j*j-i*i;
if(a+b+c <= n){
// if(!set.contains(a+b+c)){
// set.add(a+b+c);
// System.err.println(a+" "+b+" "+c);
count++;
if(count >= mod) count%=mod;
// }
}
}
}
System.out.println(count);
}
static int gcd(int a, int b){
return b == 0 ? a : gcd(b, a % b);
}
}
class MyComp implements Comparator<int[]>{
public int compare(int[] a, int[] b) {
return a[0] - b[0];
}
}
class Reverse implements Comparator<Integer>{
public int compare(Integer arg0, Integer arg1) {
return arg1 - arg0;
}
}
class Node{
int id;
List<Node> edge = new ArrayList<Node>();
public Node(int id){
this.id = id;
}
public void createEdge(Node node){
edge.add(node);
}
}
class ContestScanner{
private BufferedReader reader;
private String[] line;
private int idx;
public ContestScanner() throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(System.in));
}
public ContestScanner(String filename) throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));
}
public String nextToken() throws IOException{
if(line == null || line.length <= idx){
line = reader.readLine().trim().split(" ");
idx = 0;
}
return line[idx++];
}
public long nextLong() throws IOException, NumberFormatException{
return Long.parseLong(nextToken());
}
public int nextInt() throws NumberFormatException, IOException{
return (int)nextLong();
}
public double nextDouble() throws NumberFormatException, IOException{
return Double.parseDouble(nextToken());
}
}
threepipes_s