#include<bits/stdc++.h>
using namespace std;
int main (){
int r,c,d,k;
cin>>r>>c>>d>>k;
char grid[r+1][c+1];
for(int i=1;i<=r;i++)
{
for(int j=1;j<=c;j++)
{
cin>>grid[i][j];
}
}
int sprinkles[r+1][c+1];
for (int i=0;i<=r;i++)
{
for (int j=0;j<=c;j++)
{
if(i==0 || j==0)
{
sprinkles[i][j]=0;
continue;
}
sprinkles[i][j]=sprinkles[i-1][j];
if(grid[i][j]=='S'){
sprinkles[i][j]++;
}
}
}
for (int i=1;i<=r;i++)
{
for (int j=1;j<=c;j++)
{
sprinkles[i][j]+=sprinkles[i][j-1];
}
}
int res = 0;
for(int i=1;i<=r;i++)
{
for(int j=1;j<=c;j++)
{
if(grid[i][j]=='M'){
int i1 , j1 , i2 , j2;
if(i-d>0) i1=i-d;
else i1=1;
if(i+d<=r) i2=i+d;
else i2=r;
if(j-d>0) j1=j-d;
else j1=1;
if(j+d<=c) j2=j+d;
else j2=c;
int tmp=sprinkles[i1-1][j2]+sprinkles[i2][j1-1]-sprinkles[i1-1][j1-1];
// cout<<tmp<<" "<<sprinkles[i2][j2]<<endl;
if(sprinkles[i2][j2]-tmp>=k) {
res++;
}
}
}
}
cout<<res<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
312 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
1252 KB |
Output is correct |
2 |
Correct |
12 ms |
1456 KB |
Output is correct |
3 |
Correct |
16 ms |
1756 KB |
Output is correct |
4 |
Correct |
13 ms |
1464 KB |
Output is correct |
5 |
Correct |
13 ms |
1492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
33 ms |
5108 KB |
Output is correct |
2 |
Correct |
32 ms |
5108 KB |
Output is correct |
3 |
Correct |
32 ms |
5100 KB |
Output is correct |
4 |
Correct |
33 ms |
5080 KB |
Output is correct |
5 |
Correct |
31 ms |
5108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
312 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
11 ms |
1252 KB |
Output is correct |
17 |
Correct |
12 ms |
1456 KB |
Output is correct |
18 |
Correct |
16 ms |
1756 KB |
Output is correct |
19 |
Correct |
13 ms |
1464 KB |
Output is correct |
20 |
Correct |
13 ms |
1492 KB |
Output is correct |
21 |
Correct |
33 ms |
5108 KB |
Output is correct |
22 |
Correct |
32 ms |
5108 KB |
Output is correct |
23 |
Correct |
32 ms |
5100 KB |
Output is correct |
24 |
Correct |
33 ms |
5080 KB |
Output is correct |
25 |
Correct |
31 ms |
5108 KB |
Output is correct |
26 |
Correct |
29 ms |
3148 KB |
Output is correct |
27 |
Correct |
30 ms |
3148 KB |
Output is correct |
28 |
Correct |
30 ms |
3180 KB |
Output is correct |
29 |
Correct |
33 ms |
3188 KB |
Output is correct |
30 |
Correct |
30 ms |
3148 KB |
Output is correct |