Submission #991965

#TimeUsernameProblemLanguageResultExecution timeMemory
991965nihonZamjena (COCI18_zamjena)C++17
56 / 70
97 ms5456 KiB
#include <bits/stdc++.h> #define N 50005 using namespace std; struct elem { string s,t; }v[N]; int n,i,j; map<string,string> m; bool vrf() { string s,t; for(i=1;i<=n;++i) { s=v[i].s; t=v[i].t; if(s[0]<='9' && t[0]<='9' && s!=t) return 0; else if(s[0]<='9' && t[0]>'9') { if(m.count(t) && m[t]!=s) return 0; m[t]=s; } else if(s[0]>'9' && t[0]<='9') { if(m.count(s) && m[s]!=t) return 0; m[s]=t; } } for(i=1;i<=n;++i) { s=v[i].s; t=v[i].t; if(s[0]>'9' && t[0]>'9') { if(m.count(t) && m.count(s) && m[t]!=m[s]) return 0; else if(m.count(t) && !m.count(s)) m[s]=m[t]; else if(!m.count(t) && m.count(s)) m[t]=m[s]; } } for(i=1;i<=n;++i) { s=v[i].s; t=v[i].t; if(s[0]>'9' && t[0]>'9') { if(m.count(t) && m.count(s) && m[t]!=m[s]) return 0; else if(m.count(t) && !m.count(s)) m[s]=m[t]; else if(!m.count(t) && m.count(s)) m[t]=m[s]; } } for(i=1;i<=n;++i) { if(s[0]>'9' && t[0]>'9') { if(m[s]!=m[t]) return 0; } if(s[0]<='9' && t[0]>'9') { if(m[t]!=s) return 0; } if(s[0]>'9' && t[0]<='9') { if(m[s]!=t) return 0; } } return 1; } int main() { cin>>n; for(i=1;i<=n;++i) { cin>>v[i].s; } for(i=1;i<=n;++i) { cin>>v[i].t; } if(vrf()) cout<<"DA"; else cout<<"NE"; return 0; }
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