# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
476177 | KDisabledA | Igra (COCI17_igra) | C++14 | 1 ms | 204 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int N=5e3+10;
string s,t;
int cnt[2][5];
int n;
bool ok(){
bool kq=1;
for(int i=0;i<3;++i)kq&=(cnt[0][i]>=0);
kq&=(cnt[0][0]<=cnt[1][1]+cnt[1][2]);
kq&=(cnt[0][1]<=cnt[1][0]+cnt[1][2]);
kq&=(cnt[0][2]<=cnt[1][0]+cnt[1][1]);
return kq;
}
signed main(){
cin>>n>>s>>t;
//cout<<s<<' '<<t<<endl;
for(int i=0;i<n;++i){
cnt[0][s[i]-'a']++;
cnt[1][t[i]-'a']++;
}
string ans="";
for(int i=0;i<n;++i){
cnt[1][t[i]-'a']--;
for(int j=0;j<3;++j){
if(j!=t[i]-'a'){
cnt[0][j]--;
if(ok()){
ans+=(char)('a'+j);
break;
}
++cnt[0][j];
}
}
}
cout<<ans<<endl;
}
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