library/superstd/Map.hpp

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• Last update: 2025-11-24 18:49:07+09:00
• Include: #include "library/superstd/Map.hpp"

Depends on

• build/pch/stdc++.hpp

Code

template <typename Key, typename Val> struct Map : std::map<Key, Val> {
    using std::map<Key, Val>::erase;

    void operator()(Key key, Val val) {
        if (!((*this)[key] += val))
            erase(key);
    }
};

#line 1 "library/superstd/Map.hpp"
template <typename Key, typename Val> struct Map : std::map<Key, Val> {
    using std::map<Key, Val>::erase;

    void operator()(Key key, Val val) {
        if (!((*this)[key] += val))
            erase(key);
    }
};

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