fix 0494

2025-07-11 21:10:58 +08:00 · 2021-08-21 18:00:54 +08:00
parent 542482fa5f
commit 34444b3a4d
1 changed files with 10 additions and 9 deletions
--- a/problems/0494.目标和.md
+++ b/problems/0494.目标和.md
@ -202,6 +202,7 @@ public:
        for (int i = 0; i < nums.size(); i++) sum += nums[i];
        if (S > sum) return 0; // 此时没有方案
        if ((S + sum) % 2 == 1) return 0; // 此时没有方案
+        if (S + sum < 0) return 0; // 以确保bagSize为正数
        int bagSize = (S + sum) / 2;
        vector<int> dp(bagSize + 1, 0);
        dp[0] = 1;