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fix(cpp). update hash_map (#800)

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* fix(cpp). update hash_map

遍历 map 还是 k-v 键值对

* Update hash_map.md

---------

Co-authored-by: Yudong Jin <krahets@163.com>
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Flamingo 2023-09-26 11:07:14 +08:00 committed by GitHub
parent ea7eb514fc
commit 22be495412
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2 changed files with 8 additions and 8 deletions
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8
codes/cpp/chapter_hashing/hash_map.cpp
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@ -39,13 +39,13 @@ int main() {
} }
cout << "\n单独遍历键 Key" << endl; cout << "\n单独遍历键 Key" << endl;
for (auto key : map) { for (auto kv : map) {
cout << key.first << endl; cout << kv.first << endl;
} }
cout << "\n单独遍历值 Value" << endl; cout << "\n单独遍历值 Value" << endl;
for (auto val : map) { for (auto kv : map) {
cout << val.second << endl; cout << kv.second << endl;
} }
return 0; return 0;

8
docs/chapter_hashing/hash_map.md
View file

@ -299,12 +299,12 @@
cout << kv.first << " -> " << kv.second << endl; cout << kv.first << " -> " << kv.second << endl;
} }
// 单独遍历键 key // 单独遍历键 key
for (auto key: map) { for (auto kv: map) {
cout << key.first << endl; cout << kv.first << endl;
} }
// 单独遍历值 value // 单独遍历值 value
for (auto val: map) { for (auto kv: map) {
cout << val.second << endl; cout << kv.second << endl;
} }
``` ```