for map c++
时间: 2023-10-31 22:18:03 浏览: 36
对于map的遍历,可以使用迭代器来实现。以下是一个示例代码:
```C++
for (map<int, string>::iterator it = maphello.begin(); it != maphello.end(); it++) {
if (it->first == c) {
cout << it->second;
break;
}
}
```
这段代码会遍历map中的每个元素,如果找到键值为c的元素,则输出对应的值。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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