摘要:#include<iostream>#include<map>typedef std::map<std::pair<int,int>,int>Dict;typedefDict::const_iterator It;int main(){ Dict d; d[std::make_pair(0,0)]=0; d[std::make_pair(1,2)]=1; d[std::make_pair(2,1)]=2; d[std::make_pair(2,3)]=3; d[std::make_pair(3,2)]=4; for(It it(d.begin()
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