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uses crt;
var a:array[1..100]of integer;
i,n,t,t1,t2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
t1:=0;
t2:=0;
for i:=1 to n do
begin
if a[i]>0 then t1:=t1+a[i];
if a[i]<0 then t2:=t2+a[i];
end;
writeln('Tong cac phan tu la: ',t);
writeln('Tong cac so duong la: ',t1);
writeln('Tong cac so am la: ',t2);
writeln('Trung binh cong cua day la: ',t/n:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,t1,t2,t3;
int main()
{
cin>>n;
t1=0; t2=0; t3=0;
for (i=1; i<=n; i++)
{
cin>>x;
t1+=x;
if (x%2==0) t2+=x;
else t3+=x;
}
cout<<t1<<" "<<t2<<" "<<t3;
return 0;
}
tham khảo'
uses crt;
var a:array[1..100]of integer;
i,n,t,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
dem:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
t:=t+a[i];
inc(dem);
end;
writeln('Tong cac so chan la: ',t);
writeln('So luong so chan la: ',dem);
readln;
end.
Var a:array[1..100] of integer;
i,n,dem,vt,s sc,sl,min:integer;
tbc:real;
Begin
Write('Nhap so luong phan tu n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
End;
For i:=1 to n do s:=s+a[i];
tbc:=s/n;
Writeln('Gia tri trung binh cua mang la ',tbc:10:2);
Write('Cac phan tu lon hon gia tri trung binh la ');
For i:=1 to n do
If a[i]>tbc then write(a[i],' ');
For i:=1 to n do
Begin
If a[i] mod 2 = 0 then sc:=sc+a[i]
Else sl:=sl+a[i];
End;
Writeln('Tong cac phan tu chan la ',sc);
Writeln('Tong cac phan tu le la ',sl);
min:=a[1];
For i:=2 to n do
Begin
If a[i] < min then min:=a[i];
vt:=i;
End;
Writeln('Phan tu nho nhat la ',min,' tai vi tri ',vt);
For i:=1 to n do
If a[i] mod 5 = 0 then dem:=dem+1;
Write('So cac phan tu chia het cho 5 la ',dem);
Readln;
End.
uses crt;
var a:array[1..50]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
t:=0;
for i:=1 to n do
if (a[i] mod 2<>0) and (a[i] mod 5=0) then t:=t+a[i];
writeln;
writeln(t);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,t,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
dem:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
t:=t+a[i];
inc(dem);
end;
writeln('Tong cac so chan la: ',t);
writeln('So luong so chan la: ',dem);
readln;
end.
var a:array[1..100] of integer;
i,n,S,d:byte;
begin
write(' n = '); readln(n);
for i:=1 to n do begin
write('A[',i,'] = ');
readln(A[i]);
end;
d:=0; S:=0;
for i:=1 to n do if A[i] mod 2 = 0 then begin
d:=d+1;
S:=S+A[i];
end;
write('Dãy có ',d,' phần tử là số chẵn và tổng của chúng là : S = ',S);
readln
end.
Bài 1:
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if ((x<0) and (x%2!=0)) t=t+x;
}
cout<<t;
return 0;
}
uses crt;
var a:array[1..50]of integer;
i,n,t,t1:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=50);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]<=100;
end;
t:=0;
t1:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then t:=t+a[i]
else t1:=t1+a[i];
end;
writeln('Tong cac so chan la: ',t);
writeln('Tong cac so le la: ',t1);
readln;
end.