Update 1-字符串.md

a48zhang · Aug 18, 2024 · 4cffd6f · 4cffd6f
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diff --git a/1-字符串.md b/1-字符串.md
@@ -178,6 +178,8 @@ array<int,2> cala(int l){
 
 ### 从一队偷的Hash
 
+提示：调用时要从1开始数数。传入的字符串不用做特殊处理。
+
 ```cpp
 std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());