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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 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;
}
#include <bits/stdc++.h>
using namespace std;
int A[500],n,i,dem,dem1;
int main()
{
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=n; i>=1; i--) cout<<A[i]<<" ";
cout<<endl;
dem=0;
for (int i=1; i<=n; i++)
if (A[i]<10) dem++;
cout<<dem<<endl;
dem1=0;
for (int i=1; i<=n; i++)
if (A[i]>1)
{
bool kt=true;
for (int j=2; j*j<=A[i]; j++)
if (A[i]%j==0) kt=false;
if (kt==true) dem1++;
}
cout<<dem1;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
double a[100],t1,t2,k;
int i,n,dem;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
cin>>k;
dem=0;
for (i=1; i<=n; i++) if (a[i]==k) dem++;
t1=0;
t2=0;
for (i=1; i<=n; i++)
{
if (a[i]>0) t1+=a[i];
else t2+=a[i];
}
cout<<dem<<endll;
cout<<t1<<" "<<t2;
return 0;
}
uses crt;
var C : array [1 .. 50] of integer;
i, n : integer;
begin
clrscr;
write('Nhap so phan tu : '); readln(n);
write('Nhap day gom ', n ,' so : ');
for i := 1 to n do read(C[i]);
write('Cac gia tri chan : ');
for i := 1 to n do
if C[i] mod 2 = 0 then write(C[i], ' ');
readln
end.
uses crt;
var a:array[1..100]of integer;
n,i,t,nn,kt:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
t:=1;
for i:=1 to n do
if a[i] mod 3=0 then t:=t*a[i];
writeln(t);
kt:=0;
nn:=32567;
for i:=1 to n do
if a[i] mod 3=0 then
begin
if nn>a[i] then nn:=a[i];
kt:=1;
end;
if kt=0 then writeln('Khong co so chia het cho 3')
else writeln('So nho nhat chia het cho 3 la: ',nn);
for i:=1 to n do
if nn=a[i] then write(i:4);
writeln;
for i:=n downto 1 do
write(a[i]:4);
readln;
end.
uses crt;
var b,a:array[1..100]of integer;
i,n,dem,dem1,dem2,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if b[i]<0 then inc(dem);
if b[i]>0 then inc(dem1);
end;
writeln('So phan tu am la: ',dem);
writeln('So phan tu duong la: ',dem1);
t:=0;
for i:=1 to n do
if b[i]<>0 then t:=t+b[i];
writeln('Trung binh cac phan tu khac 0 trong mang la: ',t/(dem+dem1):4:2);
min:=b[1];
for i:=1 to n do
if min>b[i] then min:=b[i];
dem2:=0;
for i:=1 to n do
if min=b[i] then
begin
inc(dem2);
a[dem2]:=i;
end;
writeln('Gia tri nho nhat la: ',min);
writeln('Chi so la: ');
for i:=1 to dem2 do
write(a[i]:4);
readln;
end.
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.
var n,i,j,d:longint;
s,t:double;
a:array[1..1000] of double;
begin
readln(n);
for i:=1 to n do
read(a[i]);
for i:=1 to n do
if (a[i]>=0) then d:=d+1
else s:=s+a[i];
for i:=1 to n do
for j:=i+1 to n do
if (a[i]>a[j]) then begin t:=a[i];
a[i]:=a[j];
a[j]:=t; end;
writeln(d);
for i:=1 to n do
write(a[i]:5:2,' ');
writeln;
write(s:5:2);
end.
uses crt;
var a:array[1..50]of real;
i,n,dem,j:integer;
tam,t:real;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{-----------------------------cau-a--------------------------------}
dem:=0;
for i:=1 to n do
if a[i]>0 then inc(dem);
writeln('so phan tu duong cua day la: ',dem);
{-----------------------------cau-b---------------------------------}
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
writeln('day tang dan cua mang la: ');
for i:=1 to n do
write(a[i]:4:2,' ');
{-----------------------------cau-c-----------------------------------}
writeln;
t:=0;
for i:=1 to n do
if a[i]<0 then t:=t+a[i];
writeln('tong cac phan tu am trong day la: ',t:4:2);
readln;
end.
tam là gì vậy bạn?