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program tong_so_le;
var
n, i, a_i, tong: integer;
begin
writeln('Nhap vao so nguyen khong am n:');
readln(n);
while (n <= 0) or (n > 100) do
begin
writeln('So nguyen n phai thoa man 0 < n <= 100, vui long nhap lai:');
readln(n);
end;
writeln('Nhap vao ', n, ' so nguyen a1, a2, ..., an:','<mỗi số nguyên nhập trên một hàng>');
tong := 0; // Khởi tạo tổng bằng 0
for i := 1 to n do
begin
readln(a_i);
if i mod 2 = 1 then
tong := tong + a_i;
end;
writeln('Tong cac so tai vi tri le trong mang la: ', tong);
end.
#include <iostream>
using namespace std;
int main()
{
int n,i,j;
cout<<"Nhap n="; cin>>n;
for (i=1; i<=n; i++)
{
for (j=i; j<=i+n-1; j++)
cout<<j<<" ";
cout<<endl;
}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int n,i,j;
cout<<"Nhap n="; cin>>n;
for (i=1; i<=n; i++)
{
for (j=i; j<=i+n-1; j++)
cout<<j<<" ";
cout<<endl;
}
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int main()
{
long a[105], i,n,max,vt;
cout<<"n="; cin>>n;
for (i=1; i<=n; i++)
{
cout<<"A["<<i<<"]="; cin>>a[i];
}
max=a[1];
for (i=1; i<=n; i++)
if (max<a[i]) max=a[i];
vt=1;
for (i=1; i<=n; i++)
if (max==a[i]) vt=i;
cout<<max<<endl;
cout<<vt;
return 0;
}
Bài 2:
#include <bits/stdc++.h>
using namespace std;
long long n,i;
//chuongtrinhcon
int demuoc(long long n)
{
int dem=0;
for (long long i=1; i<=n; i++)
if (n%i==0) dem++;
return (dem);
}
//chuongtrinhchinh
int main()
{
freopen("tamuoc.inp","r",stdin);
freopen("tamuoc.out","w",stdout);
cin>>n;
long long dem=0;
for (i=1; i<=n; i++)
if (demuoc(i)==3) dem++;
cout<<dem;
return 0;
}
1.
#include <bits/stdc++.h>
using namespace std;
int A,n,i;
int main()
{
cin>>n;
A=0;
For (i=0;i<=n;i++)
A=A+1/i;
cout<<A;
Return 0;
}
câu 1
Program Nguyen_to;
Var n,i:integer;
Function NT(n:integer):Boolean;
Var ok: Boolean;
i: integer;
Begin ok:=true;
for i:=2 to n-1 do if (n mod i)= 0 then ok:=ok and false;
if n < 2 then NT:=false else NT:=ok;
End;
Begin Write('Nhap n: ');
Readln(n); i:=n;
Repeat i:=i+1;
Until NT(i);
Write('So nguyen to nho nhat lon hon ',n, 'la: ',i);
Readln End.
câu 2
uses crt;
const so: set of char=['0','1','2','3','4','5','6','7','8','9'];
var a:array[1..100] of integer;
st,b:string;
c,l,i,n,j:integer;
s, Max: integer;
begin clrscr;
write('Nhap xau:');
readln(st);
l:=length(st);
i:=1;
n:=0;
repeat if (st[i] in so) then begin b:='';
repeat b:=b+st[i];
inc(i);
until (not(st[i] in so)) or (i>l);
inc(n);
val(b,a[n],c);
end;
inc(i);
until i>l;
Max:=a[1];
for i:=2 to n do If Max<A[i] Then Max:=A[i];
Writeln('Phan tu lon nhat cua mang:', Max);
readln;
end.
#include <bits/stdc++.h>;
using namespace std;
int main()
{
long i,n;
float tbc,dem,t,a[10000];
cin>>n;
for (i=1; i<=n; i++)
{
cin>>a[i];
}
dem=0;
t=0;
for (i=1; i<=n; i++)
if (a[i]<0)
{
dem=dem+1;
t=t+a[i];
}
tbc=t/dem;
cout<<fixed<< setprecision(2)<<tbc;
return 0;
}