#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000000005
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL);
#define mid (start+end)/2
#define mod 1000000007
int dizi[1005][1005],x[1005][1005];
int32_t main(){
faster
int n,k;
cin>>n>>k;
char c;
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
cin>>c;
if(c=='o')dizi[i][j]=0;
else dizi[i][j]=1;
}
}
int tut;
if(n%2==0)tut=n*n/2+1;
else tut=n*n/2;
if(n==1){
cout<<"DA"<<'\n';
return 0;
}
else if(k>=tut){
cout<<"DA"<<'\n';
return 0;
}
bool stop=true;bool sto=true;
int y=100;
while(y--){
int cev=0;
for(int i=1;i<n && stop;i++){
for(int j=1;j<n && stop;j++){
int sor=dizi[i-1][j-1]+dizi[i-1][j]+dizi[i][j-1]+dizi[i][j];
if(sor%2!=0){
dizi[i][j]^=1;
cev++;
}
if(cev>k){
stop=false;
break;
}
}
}
int cev1=0;
for(int i=1;i<n && sto;i++){
for(int j=1;j<n && sto;j++){
int sor=dizi[i-1][j-1]+dizi[i-1][j]+dizi[i][j-1]+dizi[i][j];
if(sor%2!=0){
dizi[i-1][j-1]^=1;
cev1++;
}
if(cev1>k){
sto=false;
break;
}
}
}
if(stop && sto){
cout<<"DA"<<'\n';
return 0;
}
}
cout<<"NE"<<'\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
4 ms |
3540 KB |
Output is correct |
3 |
Correct |
7 ms |
4564 KB |
Output is correct |
4 |
Correct |
12 ms |
8288 KB |
Output is correct |
5 |
Correct |
5 ms |
4692 KB |
Output is correct |
6 |
Correct |
2 ms |
2516 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
11 ms |
8532 KB |
Output is correct |
9 |
Correct |
2 ms |
1620 KB |
Output is correct |
10 |
Correct |
11 ms |
8532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6656 KB |
Output is correct |
2 |
Correct |
11 ms |
7508 KB |
Output is correct |
3 |
Correct |
7 ms |
6100 KB |
Output is correct |
4 |
Correct |
7 ms |
5724 KB |
Output is correct |
5 |
Correct |
12 ms |
8148 KB |
Output is correct |
6 |
Correct |
41 ms |
4788 KB |
Output is correct |
7 |
Correct |
77 ms |
6688 KB |
Output is correct |
8 |
Correct |
82 ms |
6996 KB |
Output is correct |
9 |
Correct |
3 ms |
3284 KB |
Output is correct |
10 |
Correct |
12 ms |
9024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
7792 KB |
Output is correct |
2 |
Correct |
12 ms |
7692 KB |
Output is correct |
3 |
Correct |
7 ms |
5796 KB |
Output is correct |
4 |
Correct |
8 ms |
6616 KB |
Output is correct |
5 |
Correct |
9 ms |
6872 KB |
Output is correct |
6 |
Correct |
128 ms |
8844 KB |
Output is correct |
7 |
Correct |
32 ms |
4168 KB |
Output is correct |
8 |
Correct |
72 ms |
6488 KB |
Output is correct |
9 |
Correct |
11 ms |
6788 KB |
Output is correct |
10 |
Correct |
12 ms |
9012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5844 KB |
Output is correct |
2 |
Correct |
7 ms |
5804 KB |
Output is correct |
3 |
Incorrect |
13 ms |
8908 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
9092 KB |
Output is correct |
2 |
Correct |
14 ms |
8780 KB |
Output is correct |
3 |
Incorrect |
12 ms |
8424 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |