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>
using namespace std;
const int MAX = 1e3+5;
int M,N,ans,res,tmp;
char F[MAX][MAX],K[2][2],B[3]={'J','O','I'};
int C[MAX][MAX];
int match(int a, int b, int x, int y, char c)
{
if(a<1 || a>=M || b<1 || b>=N)
return 0;
for(int i=0; i<2; i++)
for(int j=0; j<2; j++) {
if(a+i==x && b+j==y) {
if(c!=K[i][j])
return 0;
} else if(F[a+i][b+j]!=K[i][j])
return 0;
}
return 1;
}
int main()
{
//freopen("input.txt","r",stdin);
ios_base::sync_with_stdio(0),cin.tie(0);
cin >> M >> N;
for(int i=1; i<=M; i++)
for(int j=1; j<=N; j++)
cin >> F[i][j];
for(int i=0; i<2; i++)
for(int j=0; j<2; j++)
cin >> K[i][j];
for(int i=0; i<=M; i++)
for(int j=0; j<=N; j++) {
C[i][j] = match(i,j,i,j,F[i][j]);
tmp += C[i][j];
}
ans = tmp;
for(int i=1; i<=M; i++)
for(int j=1; j<=N; j++)
for(int k=0; k<3; k++) {
res = 0;
for(int x=-1; x<=0; x++)
for(int y=-1; y<=0; y++)
res += match(i+x,j+y,i,j,B[k]) - C[i+x][j+y];
ans = max(ans,tmp+res);
}
cout << ans;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |