結果
問題 | No.62 リベリオン(Extra) |
ユーザー | 37zigen |
提出日時 | 2020-04-17 01:42:57 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 670 ms / 5,000 ms |
コード長 | 5,427 bytes |
コンパイル時間 | 2,368 ms |
コンパイル使用メモリ | 85,104 KB |
実行使用メモリ | 59,572 KB |
最終ジャッジ日時 | 2024-10-03 06:44:57 |
合計ジャッジ時間 | 3,807 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 50 ms
50,232 KB |
testcase_01 | AC | 48 ms
49,864 KB |
testcase_02 | AC | 255 ms
57,588 KB |
testcase_03 | AC | 257 ms
59,572 KB |
testcase_04 | AC | 670 ms
57,788 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { long euclid(long x,long y,long a,long b,long m) { return a==0?y:euclid((y%m-mul(b/a,x,m)+m)%m,x,b%a,a,m); } long inv(long a,long m) { if (a%m==0) return 0; long v=euclid(1, 0, (a%m+m)%m, m, m); return v<0?v+m:v; } long gcd(long a,long b) { return a==0?Math.abs(b):gcd(b%a,a); } long lcm(long a,long b) { return a/gcd(a,b)*b; } long pow(long a,long n,long p) { return n!=0?(pow(a,n/2,p)*(n%2==1?a:1)):1; } boolean pre(long[] a,long[] m) { int n=a.length; for (int i=0;i<n;++i) a[i]=(a[i]%m[i]+m[i])%m[i]; for (int i=0;i<n;++i) { for (int j=0;j<n;++j) { if (i==j) continue; long g=gcd(m[i],m[j]); if (m[i]%g!=m[j]%g) return false; if (gcd(m[i]/g,g)>1) { m[j]/=g; a[j]%=m[j]; } else { m[i]/=g; a[i]%=m[i]; } } } return true; } long mul(long a,long b,long m) { a=(a%m+m)%m;b=(b%m+m)%m; if (a==0) return 0; if (a==1) return b%m; if (a%2==1) return (mul(a-1,b,m)+b)%m; return 2*mul(a/2,b,m)%m; } long garner(long[] a,long[] m) { if (!pre(a,m)) return -1; long ret=0,prd=1; for (int i=0;i<a.length;++i) { if (m[i]==1) continue; ret+=mul(inv(prd,m[i]),(a[i]-ret),m[i])*prd; for (int j=0;j<=i;++j) { assert ret%m[j]==a[j]; } prd=prd*m[i]; } return ret<0?ret+prd:ret; } boolean solve(long W_,long H_,long D_,long dx_,long dy_,long sx_,long sy_,long vx_,long vy_) { long denominator=gcd(vx_,vy_); boolean ans=false; for (int i=0;i<=1;++i) { for (int j=0;j<=1;++j) { long W=W_,H=H_,vx=vx_,vy=vy_,sx=sx_,sy=sy_,dx=dx_,dy=dy_; vx/=denominator;vy/=denominator; long a=(W-sx+(i==0?1:(W-1))*dx)%W; long b=(H-sy+(j==0?1:(H-1))*dy)%H; if (a%gcd(vx,W)!=0) continue; if (b%gcd(vy,H)!=0) continue; if (vx==0&&sx!=dx) continue; if (vy==0&&sy!=dy) continue; long g; g=gcd(vx,W); a/=g;vx/=g;W/=g; g=gcd(vy,H); b/=g;vy/=g;H/=g; a=a*inv((vx%W+W)%W,W)%W; b=b*inv((vy%H+H)%H,H)%H; if (a%gcd(W,H)!=b%gcd(W,H)) continue; long[] mod={W,H}; long[] target={a,b}; long t=garner(target,mod); if (t==-1) continue; assert t%mod[0]==target[0]; assert t%mod[1]==target[1]; long dt=lcm(W/gcd(vx,W),H/gcd(vy,H)); for (long T:new long[] {t,t+dt}) { if (T>D_*denominator) break; long sign_x=(mul(vx_/denominator%(2*W_),T,(2*W_))+sx_)%(2*W_); long sign_y=(mul(vy_/denominator%(2*H_),T,(2*H_))+sy_)%(2*H_); if (sign_x<0) sign_x-=W_; if (sign_y<0) sign_y-=H_; if (Math.abs(sign_x)/W_%2!=i) continue; if (Math.abs(sign_y)/H_%2!=j) continue; ans|=true; } } } return ans; } void run() { FastScanner sc=new FastScanner(); PrintWriter pw=new PrintWriter(System.out); int Q=sc.nextInt(); for (int q=0;q<Q;++q) { long W=sc.nextLong(); long H=sc.nextLong(); long D=sc.nextLong(); long dx=sc.nextLong(); long dy=sc.nextLong(); long sx=sc.nextLong(); long sy=sc.nextLong(); long vx=sc.nextLong(); long vy=sc.nextLong(); boolean ans=solve(W,H,D,dx,dy,sx,sy,vx,vy); pw.println(ans?"Hit":"Miss"); } pw.close(); } void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} public static void main(String[] args) { new Main().run(); } } class FastScanner { 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;} 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 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() { return (int)nextLong(); } }