diff --git a/problems/0494.目标和.md b/problems/0494.目标和.md index 5d89f7dc..d9a30529 100644 --- a/problems/0494.目标和.md +++ b/problems/0494.目标和.md @@ -249,6 +249,7 @@ class Solution { for (int i = 0; i < nums.length; i++) sum += nums[i]; if ((target + sum) % 2 != 0) return 0; int size = (target + sum) / 2; + if(size < 0) size = -size; int[] dp = new int[size + 1]; dp[0] = 1; for (int i = 0; i < nums.length; i++) {