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| class MyHashMap {
public:
vector<list<pair<int, int>>> data;
static const int base = 769;
static int hash(int x) {
return x % base;
}
MyHashMap(): data(base) {
}
void put(int key, int value) {
for(auto it = data[hash(key)].begin(); it != data[hash(key)].end(); it ++) {
if((*it).first == key) {
(*it).second = value;
return ;
}
}
data[hash(key)].push_back(make_pair(key, value));
return ;
}
int get(int key) {
int h = hash(key);
for(auto it = data[h].begin(); it != data[h].end(); it ++) {
if((*it).first == key) {
return (*it).second;
}
}
return -1;
}
void remove(int key) {
int h = hash(key);
for(auto it = data[h].begin(); it != data[h].end(); it ++) {
if((*it).first == key) {
data[h].erase(it);
return;
}
}
}
};
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