Submission #636079

#TimeUsernameProblemLanguageResultExecution timeMemory
636079KarolZCards (LMIO19_korteles)C++14
0 / 100
1088 ms31128 KiB
#include<iostream> #include<map> #include<vector> using namespace std; map< pair<char,char>,int >mn; //gora map< pair<char,char>,int >ms; //dol map< pair<char,char>,int >mw; //lewo map< pair<char,char>,int >me; //prawo map< pair< pair<int,int>,pair<int,int> >,int >m; vector< pair< pair<char,char>,pair<char,char> > >v; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,sum=0; string s1,s2; char v1,v2,v3,v4; cin>>n; for(int i=0;i<n;i++){ cin>>s1>>s2; v1=s1[0]; v2=s1[1]; v3=s2[0]; v4=s2[1]; m[{{v1,v2},{v3,v4}}]=1; mn[{v1,v2}]++; ms[{v3,v4}]++; mw[{v1,v3}]++; me[{v2,v4}]++; v.push_back({{v1,v2},{v3,v4}}); } for(int i=0;i<n;i++){ v1=v[i].first.first; v2=v[i].first.second; v3=v[i].second.first; v4=v[i].second.second; sum+=mn[{v3,v4}]; sum+=mw[{v2,v4}]; sum+=ms[{v1,v2}]; sum+=me[{v1,v3}]; if(v2==v1&&v3==v4)sum-=2; if(v1==v3&&v2==v4)sum-=2; if(v1==v2&&v2==v3&&v3==v4)continue; if(m[{{v3,v4},{v1,v2}}]){ if(m[{{v2,v4},{v1,v3}}]){ if(v2!=v3)sum--; else sum-=3; } else sum--; } } cout<<sum/2; return 0; }
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