Submission #996791
Source Code Expand
import java.io.*;
import java.math.*;
import java.util.*;
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 n = io.nextInt();
int m = io.nextInt();
int[][] es = io.nextIntArray2D(m, 3);
int Q = io.nextInt();
Arrays.sort(es, (a,b)->a[2]-b[2]);
UnionFind uf = new UnionFind(n+1);
while (Q-- > 0) {
int s = io.nextInt();
int t = io.nextInt();
uf.clear();
long ans = 0;
for (int i = 0; i < m; i++) {
if (uf.same(es[i][0], es[i][1])) {
continue;
}
if (s == es[i][1]) continue;
if (t == es[i][1]) continue;
uf.union(es[i][0], es[i][1]);
}
io.out.println(ans);
}
}
}
static
class UnionFind {
private int[] data;
public UnionFind(int size) {
data = new int[size];
clear();
}
public void clear() {
Arrays.fill(data, -1);
}
public int root(int x) { return data[x] < 0 ? x : (data[x] = root(data[x])); }
public void union(int x, int y) {
if((x = root(x)) != (y = root(y))) {
if(data[y] < data[x]) { final int t = x; x = y; y = t; }
data[x] += data[y];
data[y] = x;
}
}
public boolean same(int x, int y) { return root(x) == root(y); }
public int size(int x) { return -data[root(x)]; }
}
/// 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; }
}
}
Submission Info
Submission Time |
|
Task |
A - Graph |
User |
tanzaku |
Language |
Java8 (OpenJDK 1.8.0) |
Score |
0 |
Code Size |
6702 Byte |
Status |
WA |
Exec Time |
3158 ms |
Memory |
43884 KB |
Judge Result
Set Name |
Sample |
subtask1 |
subtask2 |
All |
Score / Max Score |
0 / 0 |
0 / 200 |
0 / 300 |
0 / 200 |
Status |
|
|
|
|
Set Name |
Test Cases |
Sample |
sample_1.txt, sample_2.txt |
subtask1 |
sample_2.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
subtask2 |
sample_1.txt, sample_2.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt, subtask_2_1.txt, subtask_2_2.txt, subtask_2_3.txt, subtask_2_4.txt, subtask_2_5.txt, subtask_2_6.txt, subtask_2_7.txt, subtask_2_8.txt |
All |
sample_1.txt, sample_2.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt, subtask_2_1.txt, subtask_2_2.txt, subtask_2_3.txt, subtask_2_4.txt, subtask_2_5.txt, subtask_2_6.txt, subtask_2_7.txt, subtask_2_8.txt, subtask_3_1.txt, subtask_3_2.txt, subtask_3_3.txt, subtask_3_4.txt, subtask_3_5.txt, subtask_3_6.txt, subtask_3_7.txt, subtask_3_8.txt |
Case Name |
Status |
Exec Time |
Memory |
sample_1.txt |
WA |
212 ms |
14408 KB |
sample_2.txt |
WA |
185 ms |
13516 KB |
subtask_1_1.txt |
WA |
201 ms |
14028 KB |
subtask_1_10.txt |
WA |
546 ms |
23544 KB |
subtask_1_11.txt |
AC |
198 ms |
13904 KB |
subtask_1_2.txt |
WA |
281 ms |
16244 KB |
subtask_1_3.txt |
WA |
837 ms |
43128 KB |
subtask_1_4.txt |
WA |
216 ms |
14284 KB |
subtask_1_5.txt |
WA |
217 ms |
14408 KB |
subtask_1_6.txt |
WA |
364 ms |
18776 KB |
subtask_1_7.txt |
WA |
1030 ms |
43884 KB |
subtask_1_8.txt |
WA |
208 ms |
14408 KB |
subtask_1_9.txt |
WA |
246 ms |
14860 KB |
subtask_2_1.txt |
TLE |
3157 ms |
43432 KB |
subtask_2_2.txt |
TLE |
3157 ms |
43516 KB |
subtask_2_3.txt |
TLE |
3157 ms |
43736 KB |
subtask_2_4.txt |
TLE |
3157 ms |
43628 KB |
subtask_2_5.txt |
WA |
667 ms |
15420 KB |
subtask_2_6.txt |
WA |
1616 ms |
16332 KB |
subtask_2_7.txt |
TLE |
3156 ms |
19000 KB |
subtask_2_8.txt |
TLE |
3157 ms |
43660 KB |
subtask_3_1.txt |
TLE |
3157 ms |
43644 KB |
subtask_3_2.txt |
TLE |
3157 ms |
43036 KB |
subtask_3_3.txt |
TLE |
3156 ms |
15492 KB |
subtask_3_4.txt |
TLE |
3156 ms |
15544 KB |
subtask_3_5.txt |
TLE |
3156 ms |
23436 KB |
subtask_3_6.txt |
TLE |
3157 ms |
28360 KB |
subtask_3_7.txt |
TLE |
3158 ms |
43716 KB |
subtask_3_8.txt |
TLE |
3157 ms |
43504 KB |