41 lines
820 B
Java
41 lines
820 B
Java
import java.util.Scanner;
|
|
import java.io.File;
|
|
import java.io.FileNotFoundException;
|
|
|
|
class day1 {
|
|
|
|
public static void main(String[] args) {
|
|
|
|
try {
|
|
|
|
File myFile = new File("input.txt");
|
|
Scanner in = new Scanner(myFile);
|
|
|
|
int[] input = new int[200];
|
|
for (int i = 0; i < 200; i++) {
|
|
input[i] = Integer.parseInt(in.next());
|
|
}
|
|
|
|
for (int i = 0; i < 198; i++) {
|
|
for (int j = i + 1; j < 199; j++) {
|
|
//Following is for part1
|
|
//if (input[i] + input[j] == 2020) {
|
|
//System.out.println(input[i] * input[j]);
|
|
//}
|
|
for (int k = j + 1; k < 200; k++) {
|
|
if (input[i] + input[j] + input[k] == 2020) {
|
|
System.out.println(input[i] * input[j] * input[k]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
in.close();
|
|
|
|
} catch (FileNotFoundException e) {
|
|
System.out.println(e);
|
|
}
|
|
|
|
}
|
|
|
|
} |