Target sum subset
public class TargetSumSubset {
public static void Print(boolean dp[][]) {
for (int i = 0; i < dp.length; i++) {
for (int j = 0; j < dp[0].length; j++) {
System.out.print(dp[i][j] + " ");
}
System.out.println();
}
}
public static boolean targetsumsubset(int numbers[], int tar) {
int n = numbers.length;
boolean dp[][] = new boolean[n + 1][tar + 1];
for (int i = 0; i < n + 1; i++) {
dp[i][0] = true;
}
for (int i = 1; i < n + 1; i++) {
for (int j = 1; j < tar + 1; j++) {
int v = numbers[i - 1];
if ((v <= j) && dp[i - 1][j - v] == true) {
dp[i][j] = true;
} else if (dp[i - 1][j] == true) {
dp[i][j] = true;
}
}
}
Print(dp);
return dp[n][tar];
}
public static void main(String[] args) {
int numbers[] = { 4, 2, 7, 1, 3 };
int tar = 10;
System.out.println(targetsumsubset(numbers, tar));
}
}
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