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program so_lon_nhat;
uses crt;
var a: array[1..100] of integer;
i,n,max,k,dem: integer;
s,tbc: real;
begin
clrscr;
writeln(' nhap so phan tu cua day'); readln(n);
for i:=1 to n do
begin
writeln('a[',i,']'); readln(a[i]);
end;
writeln(' nhap so can tim:'); readln(k);
max:=a[1];
i:=1;
dem:=0;
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
s:=s+a[i];
tbc:=s/n;
if a[i]=k then dem:=dem+1;
end;
writeln(' so lon nhat trong day tren la:',max);
while (i<n) and (a[i]<>k) do i:=i+1;
if a[i]=k then writeln(' phan tu thu ', i ,' bang ',k)
else writeln(' k tim dc phan tu',k);
writeln(tbc:6);
writeln('co', dem, ' phan tu', k);
readln
end.
uses crt;
var a:array[1..250]of integer;
i,n,dem,t,t1,t2,t3,t4:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=250);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until (0<a[i]) and (a[i]<=500);
end;
dem:=0;
for i:=1 to n do
if a[i] mod 2=1 then inc(dem);
writeln('So phan tu co gia tri le la: ',dem);
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+a[i];
writeln('Tong cac phan tu co chi so chan la: ',t);
t1:=0;
for i:=1 to n do
if i mod 2=1 then t1:=t1+a[i];
writeln('Tong cac phan tu co chi so le la: ',t1);
t2:=0;
for i:=1 to n do
if (i mod 2=0) and (a[i] mod 2=0) then t2:=t2+a[i];
writeln('Tong cac phan tu chan co chi so chan la: ',t2);
t3:=0;
for i:=1 to n do
if (i mod 2=1) and (a[i] mod 2=1) then t3:=t3+a[i];
writeln('Tong cac phan tu co chi so le la: ',t3);
t4:=0;
for i:=1 to n do
t4:=t4+a[i];
writeln('Trung binh cong cac so trong day la: ',t4/n:4:2);
readln;
end.
Câu 2:
uses crt;
var a:array[1..300]of integer;
i,n,t:integer;
begin
clrscr;
randomize;
cin>>n;
for i:=1 to n do a[i]:=random(500);
t:=0;
for i:=1 to n do if a[i]=150 then t:=t+a[i];
writeln(t);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,t,k:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
readln(k);
t:=0;
for i:=1 to n do
if a[i] mod k=0 then t:=t+a[i];
writeln(t);
readln;
end.
Uses crt;
Var A: array[1..100] of longint;
n，k，i，s: longint;
Begin
Clrscr;
Write(‘Nhap n，k: ‘); Readln(n，k);
s:=0;
For i:=1 to n do
Begin
Read(A[i]);
If A[i] mod k = 0 then s:=s+A[i];
End;
Write(s);
Readln
End.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,k,t;
int main()
{
cin>>n>>k;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%k==0) t+=x;
}
cout<<t;
return 0;
}
Bai 2:
uses crt;
var a:array[1..100]of integer;
i,n,t,nn:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
nn:=a[1];
for i:=1 to n do
if nn>a[i] then nn:=a[i];
write(nn);
readln;
end.
uses crt;
var a:array[1..250]of integer;
i,n,max:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('Gia tri lon nhat la: ',max);
writeln('Vi tri cua no trong mang la: ');
for i:=1 to n do
if max=a[i] then write(i:4);
readln;
end.
uses crt;
var a:array[1..250]of integer;
n,i,t,max,min: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
if a[i] mod 3=0 then t:=t+a[i];
writeln('Tong cac so la boi cua 3 la: ',t);
max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('Gia tri lon nhat la: ',max);
writeln('Gia tri nho nhat la: ',min);
readln;
end.