#include<bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
typedef vector <int> vi;
typedef pair<int,int> ii;
typedef long long ll;
const int mod = 1e9 + 7;
const ll inf = 3e18 + 5;
bool isti[205][205][205][2];
string temp[505][2], s[505];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
/*
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
*/
int n, k;
cin >> n >> k;
for(int i = 0; i < n; i++){
cin >> s[i];
}
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
temp[j][0] += s[j][i];
}
for(int j = 0; j < n; j++){
for(int l = j + 1; l < n; l++){
isti[i][j][l][0] = (temp[j][0] == temp[l][0]);
}
}
}
for(int i = n - 1; i >= 0; i--){
for(int j = 0; j < n; j++){
temp[j][1] += s[j][i];
}
for(int j = 0; j < n; j++){
for(int l = j + 1; l < n; l++){
isti[i][j][l][1] = (temp[j][1] == temp[l][1]);
}
}
}
for(int i = 0; i <= n - k; i++){
int cnt[505][26] = {};
for(int l = 0; l < k; l++){
for(int j = 0; j < n; j++){
cnt[l + i][s[j][l + i] - 'a']++;
}
}
for(int x = 0; x < 26; x++){
bool ok = 1;
for(int l = 0; l < k; l++){
ok &= cnt[l + i][x] >= 1;
}
if(ok){
for(int xx = x; xx < 26; xx++){
for(int l = 0; l < k; l++){
if(xx == x) ok &= cnt[l + i][xx] >= 2;
else ok &= cnt[l + i][xx] >= 1;
}
if(ok){
bool lijevo = true, desno = true;
if(i){
lijevo = false;
for(int z = 0; z < n; z++){
for(int y = z + 1; y < n; y++){
if(isti[i - 1][z][y][0]){
lijevo = true;
break;
}
}
}
}
if(i != n - k){
desno = false;
for(int z = 0; z < n; z++){
for(int y = z + 1; y < n; y++){
if(isti[i + k][z][y][1]){
desno = true;
break;
}
}
}
}
if(desno && lijevo) return cout << "DA", 0;
}
ok = 1;
}
}
}
}
cout << "NE";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
508 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
81 ms |
17056 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
79 ms |
17016 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
79 ms |
17012 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
82 ms |
17016 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
247 ms |
35152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
268 ms |
35040 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
247 ms |
35124 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |