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#include <bits/stdc++.h>
using namespace std;
unsigned long long a[50],x,n,uc,i;
//chuongtrinhcon
unsigned long long ucln(long long a,long long b)
{
if (b==0) return(a);
else return(ucln(b,a%b));
}
//chuongtrinhchinh
int main()
{
freopen("ucln.inp","r",stdin);
freopen("ucln.out","w",stdout);
cin>>n;
cin>>a[1]>>a[2];
uc=ucln(a[1],a[2]);
for (i=3; i<=n; i++)
{
cin>>x;
uc=ucln(uc,x);
}
cout<<uc;
return 0;
}
uses crt;
const fi='ketqua.out';
var f1:text;
a:array[1..100]of integer;
i,n,min:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln(f1,min);
close(f1);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,max,min: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];
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.
uses crt;
var a,b,c:array[1..1000]of integer;
i,n,dem,max:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
for i:=1 to n do
if max=a[i] then
begin
inc(dem);
b[dem]:=a[i];
c[dem]:=i;
end;
if dem=1 then writeln('So lon nhat la: ',b[dem],' vi tri la: ',c[dem])
else writeln('So lon nhat la: ',b[1],' vi tri la: ',c[1]);
readln;
end.
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.
Program HOC24;
var d,i,n: integer;
a: array[1..1000] of integer;
t: longint;
function nt(x: longint): boolean;
var j: longint;
begin
nt:=true;
if (x=2) or (x=3) then exit;
nt:=false;
if (x=1) or (x mod 2=0) or (x mod 3=0) then exit;
j:=5;
while j<=trunc(sqrt(x)) do
begin
if (x mod j=0) or (x mod (j+2)=0) then exit;
j:=j+6;
end;
nt:=true;
end;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
d:=0; t:=0;
for i:=1 to n do
if nt(a[i]) then
begin
d:=d+1;
t:=t+a[i];
end;
writeln('Co ',d,' so nguyen to trong day');
write('Tong cac so nguyen to trong day la: ',t);
readln
end.
uses crt;
var a:array[1..1000]of integer;
i,n,dem,t,j,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
t:=0;
for i:=1 to n do
if a[i]>1 then
begin
kt:=0;
for j:=2 to a[i]-1 do
if a[i] mod j=0 then kt:=1;
if kt=0 then
begin
inc(dem);
t:=t+a[i];
end;
end;
writeln('So luong so nguyen to la: ',dem);
writeln('Tong cac so nguyen to la: ',t);
readln;
end.
Program HOC24;
var n,a,i,d: integer;
x: array[1..32000] of integer;
begin
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(x[i]);
end;
write('Nhap A: '); readln(a);
d:=0;
for i:=1 to n do if x[i]=a then d:=1;
if d=1 then write(A,' xuat hien trong day') else write(A,' khong xuat hien trong day');
readln
end.
uses crt;
var n,i,a1:integer;
a:array[1..100] of integer;
begin
writeln('nhap n'); readln(n);
writeln('nhap a'); readln(a1);
for i:=1 to n do
begin
readln(a[i]);
if (a[i]=a1) then
begin
write(' so a co xuat hien trong day');
break;
end;
if (i<n) then continue;
writeln('Khong co so a trong day');
end;
readln;
end.
Var a:array[1..1000] of integer;
i,n,max:integer;
Begin
Write('Nhap n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
End;
max:=a[2] - a[1];
For i:=3 to n do
Begin
If a[i] - a[i-1] > max then max:=a[i]-a[i-1];
End;
Write('Khoang cach lon nhat la ',max);
Readln;
End.