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chore(java): adjust skeleton

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* add comments marking the regions
* adjust runner to take care of SINGLE v. MULTIPLE test cases

Signed-off-by: Matej Focko <me@mfocko.xyz>
This commit is contained in:
Matej Focko 2023-07-23 20:45:21 +02:00
parent 02cbe139e9
commit f333cf115a
Signed by: mfocko
GPG key ID: 7C47D46246790496
1 changed files with 45 additions and 14 deletions
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57
.common/java/skeleton.java
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@ -9,35 +9,34 @@ import java.util.Random;
import java.util.StringTokenizer; import java.util.StringTokenizer;
public class A { public class A {
private FastScanner fs = new FastScanner();
private PrintWriter out = new PrintWriter(System.out);
void solve() { void solve() {
// TODO // TODO
} }
// region runner
private static final boolean SINGLE = false;
void run() { void run() {
if (SINGLE) {
solve(); solve();
} else {
int N = fs.nextInt();
for (int i = 0; i < N; ++i) {
solve();
}
}
out.close(); out.close();
} }
public static void main(String[] args) { public static void main(String[] args) {
new A().run(); new A().run();
} }
// endregion runner
// region math
static final Random random = new Random(); static final Random random = new Random();
static final int mod = 1_000_000_007; static final int mod = 1_000_000_007;
static void ruffleSort(int[] a) {
int n = a.length;// shuffle, then sort
for (int i = 0; i < n; i++) {
int oi = random.nextInt(n), temp = a[oi];
a[oi] = a[i];
a[i] = temp;
}
Arrays.sort(a);
}
static long add(long a, long b) { static long add(long a, long b) {
return (a + b) % mod; return (a + b) % mod;
} }
@ -74,6 +73,18 @@ public class A {
static long nCk(int n, int k) { static long nCk(int n, int k) {
return mul(factorials[n], mul(invFactorials[k], invFactorials[n - k])); return mul(factorials[n], mul(invFactorials[k], invFactorials[n - k]));
} }
// endregion math
// region sorts
static void ruffleSort(int[] a) {
int n = a.length;// shuffle, then sort
for (int i = 0; i < n; i++) {
int oi = random.nextInt(n), temp = a[oi];
a[oi] = a[i];
a[i] = temp;
}
Arrays.sort(a);
}
static void sort(int[] a) { static void sort(int[] a) {
ArrayList<Integer> l = new ArrayList<>(); ArrayList<Integer> l = new ArrayList<>();
@ -83,7 +94,25 @@ public class A {
for (int i = 0; i < a.length; i++) for (int i = 0; i < a.length; i++)
a[i] = l.get(i); a[i] = l.get(i);
} }
// endregion sorts
// region output
private PrintWriter out = new PrintWriter(System.out);
private void yes() {
out.println("YES");
}
private void no() {
out.println("NO");
}
private void yesno(boolean ans) {
out.println(ans ? "YES" : "NO");
}
// endregion output
// region input
static class FastScanner { static class FastScanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer(""); StringTokenizer st = new StringTokenizer("");
@ -113,5 +142,7 @@ public class A {
return Long.parseLong(next()); return Long.parseLong(next());
} }
} }
private FastScanner fs = new FastScanner();
// endregion input
} }