CHƯƠNG TRÌNH:
program bai3_ovuong;
const fi='SQUARE.INP';
fo='SQUARE.OUT';
var f:text;
a,nga,doc:array[1..1000,1..1000] of integer;
i,m,n,d,j:integer;
procedure nhap;
var i,j:integer;
begin
assign(f,fi);
reset(f);
readln(f,m,n);
for i:=1 to m do
begin
for j:=1 to n-1 do
read(f,nga[i,j]);
readln(f);
end;
for i:=1 to m-1 do
begin
for j:=1 to n do
read(f,doc[i,j]);
readln(f);
end;
end;
begin
nhap;
d:=0;
for i:=1 to m-1 do
for j:=1 to n-1 do
if nga[i,j]+nga[i+1,j]+doc[i,j]+doc[i,j+1]=4 then
inc(d);
assign(f,fo);
rewrite(f);
write(f,d);
close(f);
write('Da ghi ghi ket qua vao file: ',fo);
readln();
end.
FILE: SQUARE.INP
3 5 1 0 1 0 1 0 0 0 1 1 1 1 1 1 1 0 0 1 1 0 0 0
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