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Tham khảo
program hcn;
uses crt;
var d,r,dt:longint;
cv:real;
begin
write('nhap chieu dai va chieu rong cua hcn:');
readln(d,r);
cv:=(d+r)*2;
dt:=d*r;
writeln(' chu vi hcn do la:',cv);
writeln(' dien tich hcn do la:',dt);
readln
end.
Uses crt;
Var dai,rong:integer;
Procedure Nhap(Var dai:integer;rong:integer);
Begin
Write('Chieu dai: ');readln(dai);
Write('Chieu rong: ');readln(rong);
End;
Procedure Ve(var dai:integer;rong:integer);
var i,j:integer;
Begin
for i:= 1 to dai do write('*');writeln;
For i:= 1 to rong-2 do
Begin
Write('*');
for j:=1 to dai-2 do write(' ');
writeln('*');
end;
for i:= 1 to dai do write('*');
End;
Begin
clrscr;
Nhap(dai,rong);
Ve(dai,rong);
readln;
End.
#include <bits/stdc++.h>
using namespace std;
long long n,i,x,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x<0) t+=x;
}
cout<<t;
return 0;
}
uses crt;
const fi='hcn.dat';
fo='chuvi.out';
var f1,f2:text;
a,b:array[1..100]of integer;
n,i,j:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
writeln(a[i]*b[i]);
for i:=1 to n do
writeln(f2,2*(a[i]+b[i]));
close(f1);
close(f2);
readln;
end.
Câu 1:
uses crt;
var a,b,c,p,s:real;
begin
clrscr;
repeat
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
write('Nhap c='); readln(c);
until (a>0) and (b>0) and (c>0);
if (a+b>c) and (a+c>b) and (b+c>a) then
begin
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
writeln('Dien tich tam giac la: ',s:4:2);
end
else writeln('Day khong la ba canh trong mot tam giac');
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,t,max,min:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cac phan tu trong day la: ',t);
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.
nếu câu b bài 2 được tách riêng thành 1 câu riêng biệt...thì thay thế bắt đầu từ đâu ạ
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a,b;
freopen("hcn.inp","r",stdin);
freopen("hcn.out","w",stdout);
cin>>a>>b;
cout<<(a+b)*2<<endl;
cout<<a*b;
return 0;
}
uses crt;
var a,b,cv,s:longint;
begin
clrscr;
write('a=');readln(a);
write('b=');readln(b);
cv:=(a+b)*2;
s:=a*b;
writeln('chu vi cua hinh chu nhat do la:',cv);
write('dien tich cua hinh chu nhat do la:',s);
readln;
end.
Bài 5:
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<(a+b)*2;
return 0;
}
uses crt;
var a,b:integer;
{-----------------chuong-trinh-con-tinh-chu-vi----------------------------------}
function cv(x,y:integer):integer;
begin
cv:=x+y;
end;
{-------------------chuong-trinh-con-tinh-dien-tich-----------------------------}
function dt(x,y:integer):integer;
begin
dt:=x*y;
end;
{-------------------------chuong-trinh-chinh-------------------------}
begin
clrscr;
write('Nhap chieu dai:'); readln(a);
write('Nhap chieu rong:'); readln(b);
writeln('Chu vi la: ',cv(a,b));
writeln('Dien tich la: ',dt(a,b));
readln;
end.