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uses crt;
var a:array[1..100]of integer;
i,n,dem1,dem2,t1,t2,sa,sd,vt1,vt2:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
dem1:=0;
t1:=0;
dem2:=0;
t2:=0;
for i:=1 to n do
begin
if a[i]>0 then begin inc(dem1); t1:=t1+a[i]; end;
if a[i]<0 then begin inc(dem2); t2:=t2+a[i]; end;
end;
writeln(dem1);
writeln(dem2);
writeln(t1);
writeln(t2);
for i:=1 to n do
if a[i]>0 then
begin
sd:=a[i];
vt1:=i;
break;
end;
if (dem1=0) then writeln('Khong co so duong trong day')
else writeln('So duong dau tien la: ',sd,' vi tri la: ',vt1);
for i:=1 to n do
if a[i]<0 then
begin
sa:=a[i];
vt2:=i;
break;
end;
if (dem2=0) then writeln('Khong co so am trong day')
else writeln('So am dau tien la: ',sa,' vi tri la: ',vt2);
readln;
end.
uses crt;
var a,b:array[1..100]of real;
i,n,dem:integer;
max:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
for i:=1 to n do
if a[i]>0 then
begin
inc(dem);
b[dem]:=a[i];
end;
if dem=0 then writeln('1')
else begin
max:=b[1];
for i:=1 to dem do
if max<b[i] then max:=b[i];
writeln(max:4:2);
end;
readln;
end.
uses crt;
var a,b,c:array[1..250]of integer; i,n,dem,dem1,sd,vtd,sa,vta,sdcc,sacc,vtd1,vtc1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
dem:=dem+1;
b[dem]:=a[i];
end;
if a[i]<0 then
begin
inc(dem1);
c[dem1]:=a[i];
end;
end;
writeln('So duong dau tien trong day la: ',b[1]);
sd:=b[1];
vtd:=n;
for i:=n downto 1 do
if sd=a[i] then
begin
if vtd>i then vtd:=i;
end;
writeln('Chi so cua no la: ',vtd);
writeln('So am dau tien trong day la: ',c[1]);
sa:=c[1];
vta:=n;
for i:=n downto 1 do
if sa=a[i] then
begin
if vta>i then vta:=i;
end;
writeln('Chi so cua no la: ',vta);
writeln('So duong cuoi cung trong day la: ',b[dem]); sdcc:=b[dem];
vtd1:=1;
for i:=1 to n do
if sdcc=a[i] then
begin
if vtd1<i then vtd1:=i;
end;
writeln('Chi so cua no la: ',vtd1);
writeln('So am cuoi cung trong day la: ',c[dem]); sacc:=c[dem];
vtc1:=1;
for i:=1 to n do
if sacc=a[i] then
begin
if vtc1<i then vtc1:=i;
end;
writeln('Chi so cua no la: ',vtc1);
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.
cau 1:
uses crt;
var a:array[1..100] of integer;
n,i,min: integer;
begin
readln(n);
for i:=1 to n do
readln(a[i]);
min:=a[1];
for i:=2 to n do
if min>a[i] then min=a[i];
writeln(a[i]);
readln;
end.
cau 2:
uses crt;
g:text;
s:string;
const fo='CHUSO.TXT';
begin
assign(g,fo);
rewrite(g);
readln(s);
for i:=1 to length(s) do
if not((s[i] in ['a'..'z'])and(s[i] in ['A'..'Z])) then delete(s,i,1);
writeln(g,s);
end.
uses crt;
var a:array[1..50]of integer;
m,n,t,min,vt:integer;
begin
clrscr;
write('Nhap m='); readln(m);
for i:=1 to m do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to m do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to m do
t:=t+a[i];
writeln('Tong cac phan tu la: ',t);
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
vt:=0;
for i:=1 to n do
if min=a[i] then inc(vt);
writeln('So nho nhat la: ',min);
writeln('So lan xuat hien la: ',vt);
readln;
end.
phần đọc tự viết
for i:=j to n do
b[i+1]:=a[i];
for i:=1 to j do write(g,a[i]);
write(g,M);
for i:=j+1 to n+1 do
write(g,b[i]);
uses crt;
var a,b:array[1..100]of integer;
i,n,m,k,tam: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
write(a[i]:6);
writeln;
write('Nhap m='); readln(m);
write('Nhap chi so k='); readln(k);
for i:=1 to k do
b[i]:=a[i];
for i:=k+2 to n+1 do
b[i]:=a[i-1];
b[k+1]:=m;
for i:=1 to n+1 do
write(b[i]:6);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i,dem,t,j,t1;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem=0;
for (i=1; i<=n; i++)
{
t=0;
for (j=1; j<=a[i]-1; j++)
if (a[i]%j==0) t+=j;
if (t==a[i]) dem++;
}
cout<<dem<<endl;
t1=0;
for (i=1; i<=n; i++)
if (a[i]%2==0) t1+=a[i];
cout<<t1;
return 0;
}
Bài 4:
Program hotrotinhoc_hoc24;
var i,n,k,d: integer;
a: array[1..32000] of integer;
begin
write('Nhap so phan tu : '); readln(n);
d:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Nhap so nguyen k : '); readln(k);
for i:=1 to n do
if a[i]=k then inc(d);
if d>0 then writeln('So nguyen K xuat hien trong day') else writeln('So nguyen K khong xuat hien trong day');
write('So lan xuat hien cua k la :',d);
readln
end.
Bài 3:
Program hotrotinhoc_hoc24;
var i,n,max,min: integer;
a: array[1..32000] of integer;
begin
write('Nhap so phan tu : '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
max:=0; min:=32000;
for i:=1 to n do
begin
if a[i]>max then max:=a[i];
if a[i]<min then min:=a[i];
end;
writeln('Gia tri lon nhat la : ',max);
write('Thu tu xuat hien cua gia tri lon nhat la :');
for i:=1 to n do if a[i]=max then write(i,' ');
writeln;
writeln('Gia tri nho nhat la : ',min);
write('Thu tu xuat hien cua gia tri nho nhat la :');
for i:=1 to n do if a[i]=min then write(i,' ');
readln
end.