# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
232484 | VEGAnn | Ispit (COCI19_ispit) | C++14 | 9 ms | 2560 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>
#define ft first
#define sd second
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 50100;
string s[N];
int kol[26], cnt[26], n, k;
void YEE_BOOOOOOOOOY(){
cout << "DA";
exit(0);
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
freopen("in.txt","r",stdin);
#endif // _LOCAL
cin >> n >> k;
for (int i = 0; i < n; i++)
cin >> s[i];
for (int i = 0; i < n; i++)
for (int j = i + 1; j < n; j++){
int pf = 0;
while (pf < n && s[i][pf] == s[j][pf])
pf++;
if (pf == n)
YEE_BOOOOOOOOOY();
int sf = n - 1;
while (sf >= 0 && s[i][sf] == s[j][sf])
sf--;
if (n - (pf + (n - 1 - sf)) > k)
continue;
fill(kol, kol + 26, 0);
fill(cnt, cnt + 26, 0);
for (int z = pf; z <= sf; z++){
kol[s[i][z] - 'a']++;
cnt[s[j][z] - 'a']++;
}
bool bad = 0;
for (int z = 0; z < 26 && !bad; z++)
if (kol[z] != cnt[z])
bad = 1;
if (!bad);
YEE_BOOOOOOOOOY();
}
cout << "NE";
return 0;
}
Compilation message (stderr)
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