Created
October 28, 2017 00:02
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C. Registration System Solution-Codeforces
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| #include <bits/stdc++.h> | |
| using namespace std; | |
| //Compiler version g++ 6.3.0 | |
| int main() | |
| { | |
| int n,count=0; | |
| string s; | |
| cin>>n; | |
| set<string>s1; | |
| map<string,int>p; | |
| for(int i=0;i<n;i++){ | |
| cin>>s; | |
| if(s1.find(s)!=s1.end()){ | |
| p[s]++; | |
| cout<<s<<p[s]<<endl; | |
| } | |
| else{ | |
| p[s]=count; | |
| cout<<"OK"<<endl; | |
| } | |
| s1.insert(s); | |
| } | |
| return 0; | |
| } |
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