blob: 1be417c708eb15c8f1b9086c6e3666f7e60afd1d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class DifferentSummands {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
List<Integer> summands = getOptimalSummands(n);
System.out.println(summands.size());
for (Integer summand : summands) {
System.out.print(summand + " ");
}
}
public static List<Integer> getOptimalSummands(int n) {
List<Integer> summands = new ArrayList<Integer>();
if (n < 3) {
summands.add(n);
return summands;
}
int runningSum = 0;
for (int i = 1; i < n + 1; i++) {
runningSum = runningSum + i;
summands.add(i);
if (runningSum == n) {
break;
}
if (runningSum > n) {
summands.remove(summands.size() - 1);
summands.set(summands.size() - 1, summands.get(summands.size() - 1).intValue() + n - runningSum + i);
break;
}
}
return summands;
}
}
|
