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342c.cpp
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41 lines (41 loc) · 934 Bytes
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#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i < (int)(n + 1); i++)
typedef long long ll;
int change(string &s, int target, char c){
rep(i,s.size()){
char t = target + 'a';
if(s[i] == t){
s[i] = c;
}
}
return 0;
}
int main(){
int n,q;
string s;
cin >> n >> s >> q;
vector<vector<char>> vec(q,vector<char>(2));
rep(i,q){
cin >> vec[i][0] >> vec[i][1];
}
// rep(i,q){
// char t =vec[i][1];
// for(int j = q; j > i; j--){
// if(vec[j][0] != t) continue;
// vec[i][1] = vec[j][1];
// break;
// }
// }
vector<char> cv(26);
rep(i,q){
int cn = vec[i][0] - 'a';
cv[cn] = vec[i][1];
}
rep(i,cv.size()){
change(s,i,cv[i]);
}
cout << s <<endl;
return 0;
}