uses crt; var st : string; i,d : integer; begin d:=0; write(‘Nhap xau ki tu :’); readln(st); for i:=1 to length(st) do if st[i]=’m’ then d:=d+1; write(‘Co ‘,d,’ ki tu m’); for i:=1 to length(st) do if st[i]=’M’ then st[i]:=’C’; write(st); readln end.
program oken;
uses crt;
var s: string; i,dem: byte;
begin
clrscr;
write(‘Nhap xau: ‘); readln(s);
for i:=1 to length(s) do
if s[i]=’m’ then
begin
dem:=dem+1;
s[i]:=’C’;
end;
writeln(‘So ki tu m trong xau: ‘,dem);
writeln(‘xau moi: ‘,s);
readln;
end.
uses crt;
var st : string;
i,d : integer;
begin d:=0;
write(‘Nhap xau ki tu :’); readln(st);
for i:=1 to length(st) do if st[i]=’m’ then d:=d+1;
write(‘Co ‘,d,’ ki tu m’);
for i:=1 to length(st) do if st[i]=’M’ then st[i]:=’C’;
write(st);
readln
end.