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#include "leetcode.h"
class TimeMap {
public:
unordered_map<string, vector<pair<int, string>>> umvp;
TimeMap() {}
void set(string key, string value, int timestamp) {
umvp[key].push_back({timestamp, value});
}
string get(string key, int timestamp) {
if (!umvp.count(key))
return "";
int start = 0, end = umvp[key].size();
while (start < end) {
int mid = start + (end - start) / 2;
if (umvp[key][mid].first > timestamp)
end = mid;
else
start = mid + 1;
}
return start > 0 && start <= umvp[key].size() ? umvp[key][start - 1].second
: "";
}
};
int main() {
string key, value;
int timestamp;
TimeMap *obj = new TimeMap();
obj->set(key, value, timestamp);
string param_2 = obj->get(key, timestamp);
}
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