http://www.lintcode.com/en/problem/k-sum/#
KSUM problem could use recursive solution by reducing the problem to k-1 sum.
It also has a dp solution:
dp[i][j][k] = dp[i-1][j][k] + dp[i-1][j-1][target-A[i-1]]
http://www.lintcode.com/en/problem/k-sum/#
KSUM problem could use recursive solution by reducing the problem to k-1 sum.
It also has a dp solution:
dp[i][j][k] = dp[i-1][j][k] + dp[i-1][j-1][target-A[i-1]]
Leave a comment