#include<bits/stdc++.h>
using namespace std;
long n,F[5007],D[10][10],cnt;
string s,t,k;
bool vs[10007];
int main(){
ios::sync_with_stdio(0);cin.tie(0);
cin>>n;
cin>>s;
cin>>t;
for(long i=0; i<n; i++){
if(s[i]=='a') D[1][1]+=1;
else if(s[i]=='b') D[1][2]+=1;
else D[1][3]+=1;
}
for(long i=0; i<n; i++){
if(t[i]=='a') D[2][1]+=1;
else if(t[i]=='b') D[2][2]+=1;
else D[2][3]+=1;
}
D[3][1]=D[2][1];
D[3][2]=D[2][2];
D[3][3]=D[2][3];
//cout<<s<<'\n';
cnt=0;
for(long i=n-1; i>=0; i--){
if(cnt>=D[1][3]) break;
if(t[i]=='a'){
if(D[1][2]<=D[2][3]+D[2][1]-1){
cnt++;
s[i]='c';
vs[i]=true;
D[2][1]-=1;
}
}
if(t[i]=='b'){
if(D[1][1]<=D[2][3]+D[2][2]-1){
cnt++;
s[i]='c';
D[2][2]-=1;
vs[i]=true;
}
}
}
//cout<<s<<'\n';
cnt=0;
for(long i=n-1; i>=0; i--){
if(cnt>=D[1][2]) break;
if(t[i]=='a' && !vs[i]){
cnt++;
D[2][1]-=1;
s[i]='b';
vs[i]=true;
}
}
for(long i=n-1; i>=0; i--){
if(cnt>=D[1][2]) break;
if(t[i]=='c' && !vs[i]){
if(D[1][1]<=D[2][2]+D[2][3]-1){
cnt++;
s[i]='b';
D[2][3]-=1;
vs[i]=true;
}
}
}
for(long i=0; i<n; i++) if(!vs[i]) s[i]='a';
cnt=0;
k=s;
for(long i=0; i<n; i++) vs[i]=false;
for(long i=0; i<n; i++){
if(cnt>=D[1][1]) break;
if(t[i]=='c'){
if(D[1][2]<=D[3][3]+D[3][1]-1){
cnt++;
k[i]='a';
vs[i]=true;
D[3][3]-=1;
}
}
if(t[i]=='b'){
if(D[1][3]<=D[3][1]+D[3][2]-1){
cnt++;
k[i]='a';
D[3][2]-=1;
vs[i]=true;
}
}
}
//cout<<s<<'\n';
cnt=0;
for(long i=0; i<n; i++){
if(cnt>=D[1][2]) break;
if(t[i]=='c' && !vs[i]){
cnt++;
D[2][3]-=1;
k[i]='b';
vs[i]=true;
}
if(t[i]=='a' && !vs[i]){
if(D[1][3]<=D[3][1]+D[3][2]-1){
cnt++;
k[i]='b';
D[3][1]-=1;
vs[i]=true;
}
}
}
//cout<<s<<'\n';
for(long i=0; i<n; i++) if(!vs[i]) k[i]='c';
cout<<min(s,k);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |