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Var a:array[1..100] of integer;
i,s:integer;
Begin
For i:=1 to 100 do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
If a[i] mod 2 <> 0 then s:=s+a[i];
End;
Write('Tong la ',s);
Readln;
End.
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 s:string;
i,d,dem:integer;
begin
clrscr;
write('Nhap xau S:'); readln(s);
d:=length(s);
writeln('Cac ki tu so co trong xau S:');
dem:=0;
for i:=1 to d do
if s[i] in ['0'..'9'] then
begin
write(s[i]:4);
inc(dem);
end;
writeln;
writeln('So ki tu chu so co trong xau S: ',dem);
for i:=1 to d do
if s[i] in ['0'..'9'] then s[i]:='A';
writeln('Xau sau khi doi la: ',s);
readln;
end.
uses crt;
var t,n,m:longint;
//chuongtrinhcon
function gt(k:longint):longint;
var i,a:integer;
begin
a:=1;
for i:=1 to k do
a:=a*i;
gt:=a;
end;
//chuongtrinhchinh
begin
clrscr;
readln(n,m);
writeln(gt(n)+gt(m);
readln;
end.
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.
#include <bits/stdc++.h>
using namespace std;
long long a[200],n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
sort(a+1,a+n+1);
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
kì ta, mình nhớ là đã up hình rồi mà mất tiuu, đây nha, xem giúp mình với
#include <bits/stdc++.h>
using namespace std;
long long n,i,t;
int main()
{
freopen("dulieu.txt","r",stdin);
freopen("uot.txt","w",stdout);
cin>>n;
t=0;
for (i=1; i<=n; i++)
if (i%2==0) t+=i;
cout<<t;
return 0;
}
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
a:array[1..100]of integer;
i,n,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do t:=t+a[i];
write(f2,t);
close(f1);
close(f2);
end.
Program HOC24;
var a,b,i,t: integer;
function ucln(x,y: integer): integer;
var tg:integer;
begin
while y<>0 do
begin
tg:=x mod y;
x:=y;
y:=tg;
end;
ucln:=x;
end;
begin
write('Nhap a : '); readln(a);
write('Nhap b : '); readln(b);
t:=0;
for i:=1 to ucln(a,b) do
if ucln(a,b) mod i=0 then t:=t+i;
write(t);
readln
end.
uses crt;
var a,b,t,i:integer;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
if a<b then
begin
t:=0;
for i:=1 to a do
if (a mod i=0) and (b mod i=0) then t:=t+i;
writeln('Tong cac uoc chung cua ',a,' va ',b,' la: ',t);
end
else begin
t:=0;
for i:=1 to b do
if (a mod i=0) and (b mod i=0) then t:=t+i;
writeln('Tong cac uoc chung cua ',a,' va ',b,' la: ',t);
end;
readln;
end.