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uses crt;
var a:array[1..1000]of integer;
i,n,k,dem: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);
for i:=1 to n do
if a[i]=k then
begin
writeln(i);
break;
end;
dem:=0;
for i:=1 to n do
if a[i]=k then inc(dem);
if dem>0 then writeln('Co ',dem,' phan tu bang ',k)
else writeln('Khong co phan tu nao bang ',k);
readln;
end.
Bài 1:
#include <bits/stdc++.h>
using namespace std;
long long a[250],i,n,k;
int main()
{
cin>>n>>k;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]==k) cout<<i<<" ";
return 0;
}
Bài 1:
#include <bits/stdc++.h>
using namespace std;
long long a[250],i,n,k;
int main()
{
cin>>n>>k;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]==k) cout<<i<<" ";
return 0;
}
Bài 1:
#include <bits/stdc++.h>
using namespace std;
long long a[250],i,n,k;
int main()
{
cin>>n>>k;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]==k) cout<<i<<" ";
return 0;
}
Câu 1:
program mangsonguyen;
var
a: array[1..100] of integer;
i, n: integer;
begin
writeln('Nhap so phan tu trong mang: ');
readln(n);
writeln('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
writeln('Mang vua nhap la:');
for i := 1 to n do
write(a[i], ' ');
end.
Câu 2:
program trungbinhcong;
var
a: array[1..100] of integer;
i, n, k, sum: integer;
avg: real;
begin
writeln('Nhap so phan tu trong mang: ');
readln(n);
writeln('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
writeln('Nhap so k: ');
readln(k);
sum := 0;
for i := 1 to n do
begin
if a[i] <= k then
sum := sum + a[i];
end;
if sum > 0 then
begin
avg := sum / n;
writeln('Trung binh cong cac phan tu co gia tri <= ', k, ' la: ', avg:0:2);
end
else
begin
writeln('Khong co phan tu nao co gia tri <= ', k);
end;
end.
Câu 3:
program DemSoNguyenTo;
var
a: array [1..100] of integer;
i, j, n, count: integer;
laSoNguyenTo: boolean;
begin
write('Nhap so phan tu cua mang: ');
readln(n);
write('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
count := 0;
writeln('Cac so nguyen to trong mang la: ');
for i := 1 to n do
begin
laSoNguyenTo := true;
for j := 2 to (a[i] div 2) do
begin
if (a[i] mod j = 0) then
begin
laSoNguyenTo := false;
break;
end;
end;
if laSoNguyenTo and (a[i] > 1) then
begin
writeln(a[i]);
count := count + 1;
end;
end;
writeln('Tong so cac so nguyen to la: ', count);
readln;
end.
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;
}
Program HOC24;
var i,d,n: integer;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Nhap k: '); readln(k);
d:=0;
for i:=1 to n do if a[i]=k then d:=d+1;
write('Co ',d,' phan tu bang ',k);
readln
end.
Var i,k,n,bk,tong: integer;
a: array[1..1000] of integer;
Begin
write('Nhap K: '); readln(k);
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
{câu a}
For i:=1 to n do
if a[i]=k then bk:=bk+1;
writeln('Co so phan tu bang k la:',k);
{câu b}
For i:=1 to n do
if a[i]=k then
begin
write(i,' ');
tong:=tong+a[i];
end;
write('. Tong la:',tong);
readln
end.
uses crt;
var k,n,tong,d,i:longint;a:array[1..1000]of longint;
begin
clrscr;
write('n=');readln(n);
write('k=');readln(k);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
end;
d:=0;
for i:=1 to n do if(a[i]=k)then inc(d);
writeln('so phan tu bang voi:',k,' la:',d);
write('cac so co vi tri bang voi:',k,' la:');
tong:=0;
for i:=1 to n do if(a[i]=k)then
begin
write(i,' ');
tong:=tong+a[i];
end;
write('tong cua cac so bang voi:',k,' la:',tong);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
readln(n);
for i:=1 to n do
begin
readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
readln;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(t/n:4:2);
readln;
end.
duyệt vét ik, hoặc tìm công thức QHĐ