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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;
}
#include <bits/stdc++.h>
using namespace std;
long long a[10000],n,i,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
{
cin>>a[i];
t=t+a[i];
}
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem=0;
for (i=1; i<=n; i++)
if (a[i] %2==0) dem++;
cout<<dem<<endl;
cout<<t;
return 0;
}
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..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.
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.
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
var n,i,dem,t:integer;
a:array[1..50] of integer;
begin
dem:=0;
t:=0;
read(n);
for i:=1 to n do
read(a[i]);
for i:=n downto 1 do
write(a[i]);
writeln;
for i:=1 to n do
if (a[i] mod 2 = 0) then dem:=dem+1;
if a[i]<a[i-1] then t:=t+1;
writeln(dem);
if t=0 then write('Co lap thanh cap so +')
else write('Ko the lap thanh cap so +');
readln;
end.
uses crt;
var a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Cac phan tu chan la: ');
for i:=1 to n do
if a[i] mod 2=0 then write(a[i]:4);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[100],n,i,t,t1,dem,dem1;
//chuongtrinhcon
bool ktnt(long long x)
{
if (x<=1) return(false);
for (int i=2; i*i<=x; i++)
if (x%i==0) return(false);
return true;
}
//chuongtrinhchinh
int main()
{
cin>>n;
for (i=1; i<=n; i++)
{
cin>>a[i];
}
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
t=0;
for (i=1; i<=n; i++) if (a[i]%2==0) t=t+a[i];
cout<<t<<endl;
dem=0;
for (i=1; i<=n; i++) if (a[i]%3==0) dem++;
cout<<dem<<" ";
t1=0;
dem1=0;
for (i=1; i<=n; i++)
if (a[i]%2!=0)
{
t1+=a[i];
dem1++;
}
cout<<fixed<<setprecision(2)<<(t1*1.0)/(dem1*1.0)<<endl;
for (i=1; i<=n; i++)
if (ktnt(a[i])==true) cout<<a[i]<<" ";
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,j,kt: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
if a[i]>1 then
begin
kt:=0;
for j:=2 to trunc(sqrt(a[i])) do
if a[i] mod j=0 then kt:=1;
if kt=0 then write(a[i]:4);
end;
readln;
end.