using namespace std; using namespace __gnu_pbds; typedef tree<string, int, less<string>, rb_tree_tag> Tree; int main() { Tree t; t["abc"] = 6; t.insert(make_pair<string, int>("abc", 7)); t.insert(make_pair<string, int>("ebc", 6)); t["basicmap"] = −10; assert...
头文件: cpp #include<ext/pb_ds/assoc_container.hpp>#include<ext/pb_ds/tree_policy.hpp>//平衡树usingnamespace__gnu_pbds; 定义: cpp tree<ll , null_type , std::less<ll> , rb_tree_tag , tree_order_statistics_node_update> L , R;tree<pair<ll , ll> , null_type , std::less<pai...
#include <ext/pb_ds/assoc_container.hpp> // 因为tree定义在这里 所以需要包含这个头文件 #include <ext/pb_ds/assoc_container.hpp> // 因为tree 定义在这里 所以需要包含这个头文件 #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; __gnu_pbds::tree<Key, Mapped, Cmp_Fn = ...
#include<ext/pb_ds/assoc_container.hpp>//因为 tree 定义在这里所以需要包含这个头文件 #include<ext/pb_ds/tree_policy.hpp> usingnamespace__gnu_pbds; __gnu_pbds::tree<Key, Mapped, Cmp_Fn = std::less<Key>, Tag = rb_tree_tag,