結果
| 問題 |
No.440 2次元チワワ問題
|
| コンテスト | |
| ユーザー |
 tanzaku
|
| 提出日時 | 2016-10-28 23:52:35 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 8,873 bytes |
| コンパイル時間 | 2,841 ms |
| コンパイル使用メモリ | 90,536 KB |
| 実行使用メモリ | 192,832 KB |
| 最終ジャッジ日時 | 2024-11-24 06:42:56 |
| 合計ジャッジ時間 | 49,990 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| other | WA * 22 TLE * 4 |
ソースコード
import java.io.*;
import java.math.*;
import java.util.*;
import java.util.Map.Entry;
import static java.util.Arrays.*;
public class Main {
private static final int mod = (int)1e9+7;
final Random random = new Random(0);
final IOFast io = new IOFast();
/// MAIN CODE
public void run() throws IOException {
// int TEST_CASE = Integer.parseInt(new String(io.nextLine()).trim());
int TEST_CASE = 1;
while(TEST_CASE-- != 0) {
int h = io.nextInt();
int w = io.nextInt();
char[][] cs = new char[h][];
for (int i = 0; i < h; i++) {
cs[i] = io.next();
}
Seg2[] seg1 = new Seg2[h];
for (int i = 0; i < h; i++) {
seg1[i] = new Seg2(w);
for (int j = 0; j < w; j++) {
seg1[i].update(j, cs[i][j]);
}
}
int Q = io.nextInt();
int[][] qs = io.nextIntArray2D(Q, 4);
long[] ans = new long[Q];
for (int i = 0; i < Q; i++) {
int y1 = qs[i][0] - 1;
int x1 = qs[i][1] - 1;
int y2 = qs[i][2] - 1;
int x2 = qs[i][3] - 1;
for (int y = y1; y <= y2; y++) {
S s = seg1[y].get(x1, x2 + 1);
ans[i] += s.cww;
}
}
seg1 = null;
System.gc();
Seg2[] seg2 = new Seg2[w];
for (int i = 0; i < w; i++) {
seg2[i] = new Seg2(h);
for (int j = 0; j < h; j++) {
seg2[i].update(j, cs[j][i]);
}
}
for (int i = 0; i < Q; i++) {
int y1 = qs[i][0] - 1;
int x1 = qs[i][1] - 1;
int y2 = qs[i][2] - 1;
int x2 = qs[i][3] - 1;
for (int x = x1; x <= x2; x++) {
S s = seg2[x].get(y1, y2 + 1);
ans[i] += s.cww;
}
io.out.println(ans);
}
for (long a : ans)
io.out.println(a);
}
}
static
class S {
long leftW, rightW, c, w, cww;
@Override
public String toString() {
// TODO Auto-generated method stub
return leftW + " " + rightW + " " + c + " " + w + " " + cww;
}
}
/*
static
class Seg {
final int n;
final Seg2[] seg;
public Seg(final int w, final int h) {
this.n = Integer.highestOneBit(h) << 1;
seg = new Seg2[this.n << 1];
for (int i = 0; i < seg.length; i++) {
seg[i] = new Seg2(w);
}
}
long get(int l, int r, int t, int b) { return get(l, r, t, b, 0, 0, n); }
long get(int l, int r, int t, int b, int k, int curL, int curR) {
if(curR <= l || curL >= r) return 0;
if(l <= curL && curR <= r) { return seg[k].get(t, b).cww; }
final int curM = (curL + curR) / 2;
return get(l, r, t, b, 2 * k + 1, curL, curM) +
get(l, r, t, b, 2 * k + 2, curM, curR);
}
void update(int x, int y, char c) {
y += n - 1;
seg[y].update(x, c);
while(i != 0) {
i = (i - 1) / 2;
merge(seg[2*i+1], seg[2*i+2], seg[i]);
}
}
}
*/
static
class Seg2 {
final int n;
final S[] seg;
public Seg2(final int n) {
this.n = Integer.highestOneBit(n) << 1;
seg = new S[this.n << 1];
}
S get(int l, int r) {
return get(l, r, 0, 0, n);
}
S get(int l, int r, int k, int curL, int curR) {
if(curR <= l || curL >= r) return new S();
if(l <= curL && curR <= r) { return seg[k]; }
final int curM = (curL + curR) / 2;
return merge(
get(l, r, 2 * k + 1, curL, curM),
get(l, r, 2 * k + 2, curM, curR));
}
S merge(S l, S r) {
if (l == null) return r;
if (r == null) return l;
S s = new S();
s.c = l.c + r.c;
s.w = l.w + r.w;
s.leftW = l.leftW + r.leftW + l.w * r.c;
s.rightW = l.rightW + r.rightW + r.w * l.c;
s.cww = l.cww + r.cww + l.w * r.leftW + r.w * l.rightW + l.c * r.w * (r.w - 1) / 2 + r.c * l.w * (l.w - 1) / 2;
return s;
}
void update(int i, char c) {
i += n - 1;
if(seg[i] == null) seg[i] = new S();
seg[i].c = seg[i].w = seg[i].leftW = seg[i].rightW = seg[i].cww = 0;
if (c == 'c') seg[i].c++;
else seg[i].w++;
while(i != 0) {
i = (i - 1) / 2;
seg[i] = merge(seg[2*i+1], seg[2*i+2]);
}
}
}
/// TEMPLATE
static int gcd(int n, int r) { return r == 0 ? n : gcd(r, n%r); }
static long gcd(long n, long r) { return r == 0 ? n : gcd(r, n%r); }
static <T> void swap(T[] x, int i, int j) { T t = x[i]; x[i] = x[j]; x[j] = t; }
static void swap(int[] x, int i, int j) { int t = x[i]; x[i] = x[j]; x[j] = t; }
void printArrayLn(int[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); }
void printArrayLn(long[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); }
static void dump(Object... o) { System.err.println(Arrays.deepToString(o)); }
void main() throws IOException {
// IOFast.setFileIO("rle-size.in", "rle-size.out");
try { run(); }
catch (EndOfFileRuntimeException e) { }
io.out.flush();
}
public static void main(String[] args) throws IOException { new Main().main(); }
static class EndOfFileRuntimeException extends RuntimeException {
private static final long serialVersionUID = -8565341110209207657L; }
static
public class IOFast {
private BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
private PrintWriter out = new PrintWriter(System.out);
void setFileIn(String ins) throws IOException { in.close(); in = new BufferedReader(new FileReader(ins)); }
void setFileOut(String outs) throws IOException { out.flush(); out.close(); out = new PrintWriter(new FileWriter(outs)); }
void setFileIO(String ins, String outs) throws IOException { setFileIn(ins); setFileOut(outs); }
private static int pos, readLen;
private static final char[] buffer = new char[1024 * 8];
private static char[] str = new char[500*8*2];
private static boolean[] isDigit = new boolean[256];
private static boolean[] isSpace = new boolean[256];
private static boolean[] isLineSep = new boolean[256];
static { for(int i = 0; i < 10; i++) { isDigit['0' + i] = true; } isDigit['-'] = true; isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true; isLineSep['\r'] = isLineSep['\n'] = true; }
public int read() throws IOException { if(pos >= readLen) { pos = 0; readLen = in.read(buffer); if(readLen <= 0) { throw new EndOfFileRuntimeException(); } } return buffer[pos++]; }
public int nextInt() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; int ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; }
public long nextLong() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; long ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; }
public char nextChar() throws IOException { while(true) { final int c = read(); if(!isSpace[c]) { return (char)c; } } }
int reads(int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } if(str.length == len) { char[] rep = new char[str.length * 3 / 2]; System.arraycopy(str, 0, rep, 0, str.length); str = rep; } str[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; }
int reads(char[] cs, int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } cs[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; }
public char[] nextLine() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isLineSep); try { if(str[len-1] == '\r') { len--; read(); } } catch(EndOfFileRuntimeException e) { ; } return Arrays.copyOf(str, len); }
public String nextString() throws IOException { return new String(next()); }
public char[] next() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); return Arrays.copyOf(str, len); }
// public int next(char[] cs) throws IOException { int len = 0; cs[len++] = nextChar(); len = reads(cs, len, isSpace); return len; }
public double nextDouble() throws IOException { return Double.parseDouble(nextString()); }
public long[] nextLongArray(final int n) throws IOException { final long[] res = new long[n]; for(int i = 0; i < n; i++) { res[i] = nextLong(); } return res; }
public int[] nextIntArray(final int n) throws IOException { final int[] res = new int[n]; for(int i = 0; i < n; i++) { res[i] = nextInt(); } return res; }
public int[][] nextIntArray2D(final int n, final int k) throws IOException { final int[][] res = new int[n][]; for(int i = 0; i < n; i++) { res[i] = nextIntArray(k); } return res; }
public int[][] nextIntArray2DWithIndex(final int n, final int k) throws IOException { final int[][] res = new int[n][k+1]; for(int i = 0; i < n; i++) { for(int j = 0; j < k; j++) { res[i][j] = nextInt(); } res[i][k] = i; } return res; }
public double[] nextDoubleArray(final int n) throws IOException { final double[] res = new double[n]; for(int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; }
}
}