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https://github.com/youngyangyang04/leetcode-master.git
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@ -445,6 +445,25 @@ public bool CanConstruct(string ransomNote, string magazine) {
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return true;
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return true;
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}
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}
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```
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### C:
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```c
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bool canConstruct(char* ransomNote, char* magazine) {
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// 定义哈希映射数组
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int hashmap[26] = {0};
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// 对magazine中字符计数
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while (*magazine != '\0') hashmap[*magazine++ % 26]++;
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// 遍历ransomNote,对应的字符自减,小于0说明该字符magazine没有或不足够表示
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while (*ransomNote != '\0') hashmap[*ransomNote++ % 26]--;
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// 如果数组中存在负数,说明ransomNote不能由magazine里面的字符构成
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for (int i = 0; i < 26; i++) {
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if (hashmap[i] < 0) return false;
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}
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return true;
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}
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```
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```
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<p align="center">
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<p align="center">
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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