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Câu 1:
program mangsonguyen;
var
a: array[1..100] of integer;
i, n: integer;
begin
writeln('Nhap so phan tu trong mang: ');
readln(n);
writeln('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
writeln('Mang vua nhap la:');
for i := 1 to n do
write(a[i], ' ');
end.
Câu 2:
program trungbinhcong;
var
a: array[1..100] of integer;
i, n, k, sum: integer;
avg: real;
begin
writeln('Nhap so phan tu trong mang: ');
readln(n);
writeln('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
writeln('Nhap so k: ');
readln(k);
sum := 0;
for i := 1 to n do
begin
if a[i] <= k then
sum := sum + a[i];
end;
if sum > 0 then
begin
avg := sum / n;
writeln('Trung binh cong cac phan tu co gia tri <= ', k, ' la: ', avg:0:2);
end
else
begin
writeln('Khong co phan tu nao co gia tri <= ', k);
end;
end.
Câu 3:
program DemSoNguyenTo;
var
a: array [1..100] of integer;
i, j, n, count: integer;
laSoNguyenTo: boolean;
begin
write('Nhap so phan tu cua mang: ');
readln(n);
write('Nhap cac phan tu cua mang: ');
for i := 1 to n do
readln(a[i]);
count := 0;
writeln('Cac so nguyen to trong mang la: ');
for i := 1 to n do
begin
laSoNguyenTo := true;
for j := 2 to (a[i] div 2) do
begin
if (a[i] mod j = 0) then
begin
laSoNguyenTo := false;
break;
end;
end;
if laSoNguyenTo and (a[i] > 1) then
begin
writeln(a[i]);
count := count + 1;
end;
end;
writeln('Tong so cac so nguyen to la: ', count);
readln;
end.
Câu 4:
#include <bits/stdc++.h>
using namespace std;
string st;
int d,i,dem;
char x;
int main()
{
getline(cin,st);
d=st.length();
cout<<st<<endl;
cin>>x;
dem=0;
for (i=0; i<=d-1; i++) if (st[i]==x) dem++;
cout<<dem;
return 0;
}
Câu 4:
#include <bits/stdc++.h>
using namespace std;
string st;
int d,i,dem;
char x;
int main()
{
getline(cin,st);
d=st.length();
cout<<st<<endl;
cin>>x;
dem=0;
for (i=0; i<=d-1; i++) if (st[i]==x) dem++;
cout<<dem;
return 0;
}
# Nhap mang
arr = [ ]
for i in range(10):
arr.append(int(input('Nhap phan tu: ')))
# Tinh va xuat ra tong cac phan tu le trong mang tong_cac_phan_tu_le = 0
for x in arr:
if x % 2 != 0:
tong_cac_phan_tu_le += x
print('Tong cac phan tu le trong mang la:', tong_cac_phan_tu_le)
# Nen va xuat ra ngoai man hinh so phan tu duong trong mang so_phan_tu_duong = 0
for x in arr:
if x > 0:
so_phan_tu_duong += 1
print('So phan tu duong trong mang la:', so_phan_tu_duong)
# Tinh va xuat ra man hinh trung binh cong cac phan tu trong mang tong_phan_tu = 0
for x in arr:
tong_phan_tu += x
trung_binh_cong = tong_phan_tu / len(arr)
print('Trung binh cong cac phan tu trong mang la:',trung_binh_cong)
# Tim va xuat ra man hinh gia tri va vi tri cua cac phan tu nho nhat trong mang
min_phan_tu = arr[0]
vi_tri_min_phan_tu = 0
for i in range(1, len(arr)):
if min_phan_tu > arr[i]:
min_phan_tu = arr[i]
vi_tri_min_phan_tu = i
print('Gia tri cua phan tu nho nhat trong mang la:', min_phan_tu)
print('Vi tri cua phan tu nho nhat trong mang la:', vi_tri_min_phan_tu)
#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;
}
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:array[1..100]of integer;
n,i,k,dem,dem1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then inc(dem);
if a[i] mod k=0 then inc(dem1);
end;
writeln('So phan tu chan la: ',dem);
writeln('So phan tu chia het cho ',k,' la: ',dem1);
readln;
end.
*Đoạn lệnh :
a.
for i:=1 to n do if a[i]>0 then inc(d);
write(d);
b. t:=0;
for i:=1 to n do if a[i] mod 2=0 then t:=t+a[i];
write(t);
c.
+Vị trí lẻ:
for i:=1 to n do if a[i] mod 2=1 then write(i,' ');
+Vị trí chẵn:
for i:=1 to n do if a[i] mod 2=0 then write(i,' ');
d. max:=0;
for i:=1 to n do if a[i]>max then max:=a[i];
write(max);
e.
for i:=1 to n do
for j:=i to n do
if a[i]<a[j] then
begin
tg:=a[i];
a[i]:=a[j];
a[j]:=tg;
end;
f.
For i:=1 to n do if a[i]=k then write(i,' ');
chị @Nguyễn Minh Lệ thì viết một phần gợi ý cho bạn thôi, còn mình sẽ viết hết cả bài cho bạn
uses crt;
var dem2,n,i,dem,t,ln,tam,k,kt,dem1,j:integer;
a,b,vt:array[1..100]of integer;
begin
clrscr;
write('nhap 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 dem:=dem+1;
writeln('so cac phan tu nguyen duong co trong mang la: ',dem);
{-------------------cau-b-----------------------------}
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln('tong cac phan tu chan co trong day la: ',t);
{-------------------cau-c-----------------------------}
writeln('cac so le co trong day la: ');
for i:=1 to n do
if a[i] mod 2=1 then write(a[i]:4);
writeln;
writeln('vi tri cac so le co trong day la: ');
for i:=1 to n do
if a[i] mod 2=1 then write(i:4);
writeln;
{-----------------cau-d--------------------------------}
ln:=a[1];
for i:=1 to n do
if ln<a[i] then ln:=a[i];
writeln('so lon nhat co trong day la: ',ln);
{----------------cau-e--------------------------------}
b[1]:=a[1];
dem1:=0;
for i:=1 to n do
begin
dem1:=dem1+1;
b[dem1]:=a[i];
end;
writeln('day tang dan cua A la: ');
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;
for i:=1 to n do
write(a[i]:4);
{-------------------------cau-f-------------------------}
writeln;
write('nhap so k: '); readln(k);
kt:=0;
dem2:=0;
for i:=1 to dem1 do
if b[i]=k then
begin
kt:=1;
dem2:=dem2+1;
vt[dem2]:=i;
end;
if kt=0 then writeln(k,' khong co trong day')
else begin
writeln(k,' co trong day A tai cac vi tri lan luot la: ');
for i:=1 to dem2 do
write(vt[i]:4);
end;
readln;
end.