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alphabetspam.java
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alphabetspam.java
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package alphabetspam;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Arrays;
class alphabetspam {
private void run() throws IOException {
BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(System.out));
String chars = r.readLine();
r.close();
int n = chars.length();
// I had too much fun writing bad code here.
double[] counts = Arrays.stream(chars.chars()
.mapToObj(c -> (char) c)
.map(c -> new int[] { c == '_' ? 1 : 0, Character.isLowerCase(c) ? 1 : 0, Character.isUpperCase(c) ? 1 : 0 })
.reduce(new int[] { 0, 0, 0 },
(_r, e) -> {
int[] x = new int[_r.length];
for (int i = 0; i < _r.length; i++) {
x[i] = _r[i] + e[i];
}
return x;
}))
.asDoubleStream().map(c -> c / n).toArray();
double symbs = n - Arrays.stream(counts).map(x -> x * n).sum();
w.write(counts[0] + "\n");
w.write(counts[1] + "\n");
w.write(counts[2] + "\n");
w.write(symbs / (double) n + "\n");
w.flush();
}
public static void main(String[] a) throws IOException {
(new alphabetspam()).run();
}
}