Question

giải đề này cho mk vs ạ

Answer 1

Câu 1: 

uses crt;

var t:real;

i:integer;

begin

clrscr;

t:=0;

for i:=1 to 100 do 

  t:=t+(sqr(i) mod (2*i));

writeln('So tien sau cung la: ',t:0:0);

readln;

end.

Câu 2: 

const fi='dxau.inp'

fo='dxau.out'

var f1,f2:text;

st:string;

x:char;

dem,i,d:integer;

a:array[1..255]of integer;

begin

assign(f1,fi); reset(f1);

assign(f2,fo); rewrite(f2);

readln(f1,st);

readln(f1,x);

d:=length(st);

dem:=0;

for i:=1 to d do 

  if st[i]=x then 

begin

inc(dem);

a[dem]:=i;

end;

if dem=0 then writeln(f2,'Khong co')

else begin

writeln(f2,dem);

for i:=1 to dem do 

  write(f2,a[i]:4);

end;

close(f1);

close(f2);

end.