class Main {
private static final int RED_BALL_LENGTH = 33;
private static final int BLUE_BALL_LENGTH = 16;
private static final int RESULT_LENGTH = 7;
public static void main(String[] args) {
int reds[] = new int[RED_BALL_LENGTH];
int blues[] = new int[BLUE_BALL_LENGTH];
int result[] = new int[RESULT_LENGTH];
for (int i = 0; i < RED_BALL_LENGTH; ++i) {
reds[i] = i + 1;
}
for (int i = 0; i < BLUE_BALL_LENGTH; ++i) {
blues[i] = i + 1;
}
// red ball
int index = 0;
for (int i = 0; i < RESULT_LENGTH - 1; ++i) {
index = (int) (Math.random() * RED_BALL_LENGTH);
// Avoid duplicate
if (reds[index] == 0) {
// Reselect if duplicate
i--;
continue;
} else {
result[i] = reds[index];
// Mark 0 for selected number
reds[index] = 0;
}
}
// sort
int minIndex;
int temp;
for (int i = 0; i < RESULT_LENGTH - 1; ++i) {
minIndex = i;
for (int j = i + 1; j < RESULT_LENGTH - 1; ++j) {
if (result[minIndex] > result[j]) {
minIndex = j;
}
}
temp = result[i];
result[i] = result[minIndex];
result[minIndex] = temp;
}
// blue ball
result[RESULT_LENGTH - 1] = blues[(int) (Math.random() * BLUE_BALL_LENGTH)];
// output
String split;
for (int i = 0; i < RESULT_LENGTH; ++i) {
split = i == RESULT_LENGTH - 2 ? " - " : " ";
System.out.print(result[i] + split);
}
}
}
