0_0_28464700_30484.cpp:41:1: error: 'unordered_map' does not name a type
unordered_map<int,int>mp;
^
0_0_28464700_30484.cpp: In function 'void suan(int, int)':
0_0_28464700_30484.cpp:44:8: error: 'mp' was not declared in this scope
if(mp[x*x+y].find()==mp.end())
^
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