/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
int[][] v = new int[5][];
for (int i = 0; i < v.length; i++) {
// cada "linha" da "matriz" tem um tamanho diferente
int len = i + 1;
v[i] = new int[len];
for (int j = 0; j < len; j++)
v[i][j] = j;
}
for(int[] linha: v){
for(int valor: linha) {
System.
out.
print(valor
+ " "); }
}
}
}
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