이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<iostream>
#include<string>
#include<algorithm>
#define MAX 505
using namespace std;
int n, k;
bool ok = 0;
string mat[MAX];
string smat[MAX];
string s;
int main() {
cin.sync_with_stdio(0); cin.tie(0);
cin.exceptions(cin.failbit);
cin >> n >> k;
for(int i=0;i<n;i++) {
cin >> s;
mat[i] = s;
sort(s.begin(),s.end());
smat[i] = s;
}
int cnt = 0;
for(int i=0;i<n;i++) {
for(int j=0;j<n;j++) {
if(i==j) continue;
if(smat[i]==mat[j] || smat[j]==mat[i]) {
cout << "DA";
return 0;
}
if(smat[i]==smat[j]) {
for(int z=0;z<n;z++) {
if(mat[i][z]==mat[j][z]) continue;
else cnt++;
if(cnt<=k) {
cout << "DA";
return 0;
}
}
cnt = 0;
}
}
}
cout << "NE";
return 0;
}
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