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uses crt;
var a:array[1..100]of integer;
i,n,tc,tl,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
tc:=0;
tl:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then tc:=tc+a[i]
else tl:=tl+a[i];
end;
writeln('Tong cac so chan la: ',tc);
writeln('Tong cac so le la: ',tl);
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cua day so la: ',t);
readln;
end.
program tim_so_nguyen_am;
uses crt;
var n,i:integer;
b:array[1..1000]of integer;
begin
clrscr;
write('nhap so phan tu :');readln(n);
repeat
for i:=1 to n do
begin
write('nhap phan tu b[',i,']:');readln(b[i]);
end;
if abs(a[i]>1000)then write('ban hay nhap lai:');
until abs(b[i]<=1000);
writeln('cac phan tu nguyen duong cua mang la:');
for i:=1 to n do
if b[i]>=0 then write(b[i]:5);
writeln;
writeln('cac phan tu nguyen am cua mang la:');
readln;
end.
for i:=1 to n do
if b[i]<0 then write(b[i]:5);
uses crt;
var b:array[1..25]of integer;
i,n,dem1,dem2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if b[i]>0 then inc(dem1);
if b[i]<0 then inc(dem2);
end;
writeln('So cac so nguyen duong la: ',dem1);
writeln('So cac so nguyen am la: ',dem2);
readln;
end.
uses crt;
var a:array[1..1000]of integer;
i,n,dem,t:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=1000);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until abs(a[i])<=1000;
end;
for i:=1 to n do
write(a[i]:4);
writeln;
dem:=0;
for i:=1 to n do
if a[i]=0 then inc(dem);
writeln('So phan tu bang 0 la: ',dem);
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 la: ',t);
readln;
end.
Câu 1:
var a:array[1..100]of integer;
Câu 2:
uses crt;
var a:array[1..10]of integer;
i:integer;
begin
clrscr;
for i:=1 to 10 do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to 10 do
write(a[i]:4);
readln;
end.
Câu 3:
uses crt;
var a:array[1..15]of integer;
i,n,t:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=15);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]<=100;
end;
writeln('Mang da nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
t:=0;
for i:=1 to n do
if a[i] mod 3=0 then t:=t+a[i];
writeln('Tong cac phan tu chia het cho 3 la: ',t);
writeln('Cac so chan o vi tri le trong day la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (i mod 2=1) then write(a[i]:4);
readln;
end.
uses crt;
var a:array[1..200]of integer;
i,n,tbc,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Cac so duong chan la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]>0) then write(a[i]:4);
writeln;
tbc:=0;
dem:=0;
for i:=1 to n do
if (-1000<=a[i]) and (a[i]<=1000) then
begin
tbc:=tbc+a[i];
dem:=dem+1;
end;
writeln('Trung binh cong cac phan tu co gia tri trong pham vi tu -1000 den 1000 la: ',tbc/dem:4:2);
readln;
end.
uses crt;
const fi='mang.txt';
var a:array[1..100]of integer;
i,n,t1,t2:integer;
f1:text;
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;
t1:=0;
t2:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
t1:=t1+a[i];
end;
if a[i]<0 then
begin
t2:=t2+a[i];
end;
end;
writeln(f1,'Tong cac so duong la: ',t1);
writeln(f1,'Tong cac so am la: ',t2);
if abs(t1)>abs(t2) then writeln(f1,'Gia tri tuyet doi cua ',t1,' lon hon gia tri tuyet doi cua ',t2)
else if abs(t1)<abs(t2) then writeln(f1,'Gia tri tuyet doi cua ',t2,' lon hon gia tri tuyet doi cua ',t1)
else writeln(f1,'Gia tri tuyet doi cua ',t1,' bang gia tri tuyet doi cua ',t2);
close(f1);
end.
