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const fi='kt.txt';
fo='kq.out';
var f1,f2:text;
s:string;
i,dem,d:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,s);
d:=length(s);
dem:=0;
for i:=1 to d do
if s[i]='e' then inc(dem);
writeln(f2,dem);
close(f1);
close(f2);
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 8:
#include <bits/stdc++.h>
using namespace std;
long long a[250],n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 1:
uses crt;
var a:array[1..100]of integer;
n,i,t:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
t:=0;
for i:=1 to n do
if a[i] mod 2<>0 then t:=t+a[i];
writeln(t);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long a[50],i,n,t;
int main()
{
cin>>n;
for (i=1; i<=n; i++)
{
cin>>a[i];
if (a[i]<0 || a[i]>10) cin>>a[i];
}
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
t=0;
for (i=1; i<=n; i++) t=t+a[i];
cout<<t;
return 0;
}
Luôn cả câu 4 nữa ạ