結果
| 問題 |
No.990 N×Mマス計算(Kの倍数)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-02-14 22:20:20 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,267 bytes |
| コンパイル時間 | 2,785 ms |
| コンパイル使用メモリ | 80,172 KB |
| 実行使用メモリ | 72,388 KB |
| 最終ジャッジ日時 | 2024-11-16 00:52:20 |
| 合計ジャッジ時間 | 7,010 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 18 WA * 1 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.NoSuchElementException;
class Main {
public static void main(String[] args) throws Exception {
new Main().run();
}
void run() {
Scanner sc=new Scanner();
int N=sc.nextInt();
int M=sc.nextInt();
long K=sc.nextLong();
char op=sc.next().toCharArray()[0];
long[] A=new long[N];
long[] B=new long[M];
for(int i=0;i<M;++i)B[i]=sc.nextLong();
for(int i=0;i<N;++i)A[i]=sc.nextLong();
Arrays.sort(A);
Arrays.sort(B);
long ans=0;
if(op=='*') {
for(int i=0;i<A.length;++i)A[i]=gcd(K,A[i]);
for(int i=0;i<B.length;++i)B[i]=gcd(K,B[i]);
HashMap<Long,Integer> ma=new HashMap<>();
HashMap<Long,Integer> mb=new HashMap<>();
for(int i=0;i<B.length;++i) {
if(mb.containsKey(B[i]))mb.put(B[i], mb.get(B[i])+1);
else mb.put(B[i], 1);
}
for(int i=0;i<A.length;++i) {
if(ma.containsKey(A[i]))ma.put(A[i], ma.get(A[i])+1);
else ma.put(A[i], 1);
}
for(Map.Entry<Long, Integer> a:ma.entrySet()) {
for(Map.Entry<Long, Integer> b:mb.entrySet()) {
if(a.getKey()*b.getKey()%K==0) {
ans+=a.getValue()*b.getValue();
}
}
}
}else {
for(int i=0;i<A.length;++i)A[i]%=K;
for(int i=0;i<B.length;++i)B[i]%=K;
HashMap<Long,Integer> ma=new HashMap<>();
HashMap<Long,Integer> mb=new HashMap<>();
for(int i=0;i<B.length;++i) {
if(mb.containsKey(B[i]))mb.put(B[i], mb.get(B[i])+1);
else mb.put(B[i], 1);
}
for(int i=0;i<A.length;++i) {
if(ma.containsKey(A[i]))ma.put(A[i], ma.get(A[i])+1);
else ma.put(A[i], 1);
}
for(Map.Entry<Long, Integer> a:ma.entrySet()) {
if(mb.containsKey((K-a.getKey())%K))ans+=mb.get((K-a.getKey())%K)*a.getValue();
}
}
System.out.println(ans);
}
long gcd(long a,long b) {
return a==0?b:gcd(b%a,a);
}
int binarySearch(long[] a,long key) {
int ok=a.length;
int ng=-1;
while(ok-ng>1) {
int middle=(ok+ng)/2;
if(a[middle]>=key)ok=middle;
else ng=middle;
}
return ok;
}
static void tr(Object... objects) {
System.out.println(Arrays.deepToString(objects));
}
}
class Scanner {
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();}
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 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();
}
}
public int nextInt() {
long nl = nextLong();
if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
return (int) nl;
}
public double nextDouble() { return Double.parseDouble(next());}
}