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![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long n,i,x,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x<0) t+=x;
}
cout<<t;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var i,n,s: integer;
a:array[1..100] of integer;
begin
writeln('Nhap n: '); read(n);
for i:=1 to n do
begin
write('a[',i,'] = '); readln(a[i]);
end;
writeln('Cac so le: ')
s:=0;
for i:=1 to n do
if a[i] mod 2 <> 0 then
begin
s:=s+a[i];
write(a[i],' ');
end;
writeln('- Tong so le: ',s);
for i:=1 to trunc(sqrt(s)) do if s mod i = 0 then d:=d+1;
if d > 1 then writeln('Tong do khong la so nguyen to') else writeln('Tong do la so nguyen to');
readln
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a:array[1..10]of longint;
n,i,t,dem,dem1,dem2,t1:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
for i:=1 to n do write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do t:=t+a[i];
writeln(t);
t1:=0;
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i]>0 then dem1:=dem+1;
if a[i] mod 2=0 then
begin
dem2:=dem2+1;
t1:=t1+a[i];
end;
end;
writeln(dem1);
writeln(t1/dem2:4:2);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a:array[1..10]of longint;
n,i,t,dem,dem1,dem2,t1:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
for i:=1 to n do write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do t:=t+a[i];
writeln(t);
t1:=0;
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i]>0 then dem1:=dem+1;
if a[i] mod 2=0 then
begin
dem2:=dem2+1;
t1:=t1+a[i];
end;
end;
writeln(dem1);
writeln(t1/dem2:4:2);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a:array[1..200]of integer;
n,i,k,t,t1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
t:=0;
for i:=1 to n do
if a[i] mod 2<>0 then t:=t+a[i];
t1:=0;
for i:=1 to n do
if a[i] mod k=0 then t1:=t1+a[i];
writeln('Tong cac phan tu le la: ',t);
writeln('Tong cac phan tu la boi cua ',k,' la: ',t1);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
cau 1:
uses crt;
var a:array[1..100] of integer;
n,i,min: integer;
begin
readln(n);
for i:=1 to n do
readln(a[i]);
min:=a[1];
for i:=2 to n do
if min>a[i] then min=a[i];
writeln(a[i]);
readln;
end.
cau 2:
uses crt;
g:text;
s:string;
const fo='CHUSO.TXT';
begin
assign(g,fo);
rewrite(g);
readln(s);
for i:=1 to length(s) do
if not((s[i] in ['a'..'z'])and(s[i] in ['A'..'Z])) then delete(s,i,1);
writeln(g,s);
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
6:
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,A[100],i,dem=0;
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=1;i<=n; i++)
if (A[i]%2!=0) dem++;
cout<<dem;
return 0;
}
5:
#include <bits/stdc++.h>
using namespace std;
int main()
{
long long n,nn=1e6,A[1000];
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=1; i<=n; i++)
nn=min(nn,A[i]);
for (int i=1; i<=n; i++)
if (nn==A[i]) cout<<i<<" ";
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài 1:
uses crt;
var a:array[1..100]of integer;
i,n,kt,max,x,j,tam:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Mang ban vua nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
writeln('Day tang dan la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
write('Nhap x='); readln(x);
max:=0;
kt:=0;
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]<=x) then
begin
if max<a[i] then max:=a[i];
kt:=1;
end;
if kt=0 then writeln('Trong day khong co so le')
else writeln('So chan lon nhat khong vuot qua ',x,' la: ',max);
readln;
end.
Bài 1:
uses crt;
var n,kt,d:integer;
st:string;
begin
clrscr;
write('Nhap bien so xe:'); readln(n);
str(n,st);
d:=length(st);
kt:=0;
if (st[d-1]='6') and (st[d]='8') then kt:=1;
if kt=0 then writeln('Day khong la bien so dep')
else writeln('Day la bien so xe dep');
readln;
end.
Bài 2:
uses crt;
var a,b,c:array[1..100]of integer;
n,i,min,x,t,dem,j,dem1,kt,max,min1,y,kt1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Mang vua nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln('Phan tu nho nhat trong mang la: ',min);
write('Nhap i='); readln(y);
for i:=1 to n do
if y=i then
begin
t:=0;
dem:=0;
for j:=1 to a[i] do
if a[i] mod j=0 then
begin
t:=t+j;
dem:=dem+1;
b[dem]:=j;
end;
end;
writeln('Cac uoc cua phan tu a[',y,'] trong mang la: ');
for i:=1 to dem do
write(b[i]:4);
writeln;
writeln('Tong cac uoc cua phan tu a[',y,'] trong mang la: ',t);
dem1:=0;
for i:=1 to n do
if a[i]>1 then
begin
kt:=0;
for j:=2 to a[i]-1 do
if a[i] mod j=0 then kt:=1;
if kt=0 then
begin
inc(dem1);
c[dem1]:=a[i];
end;
end;
max:=c[1];
min1:=c[1];
for i:=1 to dem1 do
begin
if max<c[i] then max:=c[i];
if min1>c[i] then min1:=c[i];
end;
writeln('Tong cua so nguyen to lon nhat va so nguyen to nho nhat trong mang la: ',max+min1);
write('Nhap x='); readln(x);
kt1:=0;
for i:=1 to n do
begin
if i<x then
begin
for j:=i to x do
if a[j]<>a[x-j+1] then kt1:=1;
end;
end;
if kt1=0 then writeln('Khong co ',x,' so doi xung dung canh nhau')
else writeln('Co ',x,' so doi xung dung canh nhau');
readln;
end.