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1316.cpp
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63 lines (46 loc) · 964 Bytes
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//
// 1316.cpp
// algo
//
// Created by 박효정 on 2021/09/17.
//
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main(){
cin.tie(0);
cout.tie(0);
std::ios::sync_with_stdio(false);
int n;
cin>>n;
vector<string>s;
string str;
int vis[26];
int res=n;
for(int i=0;i<n;i++){
cin>>str;
s.push_back(str);
}
// bool ch=true;
for(int i=0;i<n;i++){
// ch=true;
fill(vis, vis+26, 0);
string tmp=s[i];
for(int j=0;j<tmp.size();){
if(vis[tmp[j]-'a']==0){
vis[tmp[j]-'a']=1;
char c=tmp[j];
while(c==tmp[j]){
j++;
}
}else{
// ch=false;
res--;
break;
}
}
}
cout<<res<<"\n";
return 0;
}