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uses crt;
var a:array[1..100]of integer;
i,n,t,tam,j: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 diem cua ',n,' ban la: ',t);
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);
readln;
end.
<bits/stdc++.h>
using namespace std;
int DTT(int a, int b, int c)
int m = sqrt(2*b*b+2*c*c-a*a)/2;
return m;
int main()
int a, b, c, m;
cout << "Nhap ba canh tam giac" << endl;
cin >> a >> b >> c;
m = DTT(a,b,c);
cout << m;
return 0;
end.
uses crt;
var a,b,c:real;
{-----------------chuong-trinh-con--------------------}
function ttuyen(x,y,z:real):integer;
begin
ttuyen:=(2*(sqr(ab)+sqr(ac))-sqr(bc));
end;
{---------------chuong-trinh-chinh-----------------------}
begin
clrscr;
repeat
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
until (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a);
writeln(sqrt(ttuyen(a,b,c))/4:4:2);
readln;
end.
uses crt;
var a,b,c,p,s,am,bn,cp:real;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
write('Nhap c='); readln(c);
if (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a) then
begin
writeln('Day la ba canh trong mot tam giac vuong');
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
writeln('Dien tich tam giac la: ',s:4:2);
am:=sqrt(2*(sqr(b)+sqr(c))-sqr(a))/4;
bn:=sqrt(2*(sqr(a)+sqr(c))-sqr(b))/4;
cp:=sqrt(2*(sqr(a)+sqr(b))-sqr(c))/4;
writeln('Do dai duong trung tuyen ung voi canh a la: ',am:4:2);
writeln('Do dai duong trung tuyen ung voi canh b la: ',bn:4:2);
writeln('Do dai duong trung tuyen ung voi canh c la: ',cp:4:2);
end
else writeln('Day khong la ba canh trong mot tam giac');
readln;
end.
uses crt;
var i,n,tcd,t,t1,dem,dem1,dem2,dem3,dem4,dem5:longint;
a,b,c:array[1..100]of longint;
min,max:int64;
tbc,tbcd,tbca:real;
begin
clrscr;
write('nhap n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{---------------------------cau-1----------------------}
tcd:=0;
for i:=1 to n do
tcd:=tcd+a[i];
writeln('tong cac phan tu trong day la: ',tcd);
{-------------------------cau-2----------------------}
dem:=0;
t:=0;
for i:=1 to n do
if a[i]>0 then
begin
inc(dem);
t:=t+a[i];
end;
writeln('so luong cac so hang duong la: ',dem);
writeln('tong cac so hang duong la: ',t);
{-----------------------cau-3-----------------------}
dem1:=0;
t1:=0;
for i:=1 to n do
if a[i]<0 then
begin
inc(dem1);
t1:=t1+a[i];
end;
writeln('so luong cac so hang am la: ',dem1);
writeln('tong cac so hang am la: ',t1);
{---------------------cau-4---------------------------}
tbc:=tcd/n;
tbcd:=t/dem;
tbca:=t1/dem1;
writeln('trung binh cong cua ca day la: ',tbc:4:2);
writeln('trung binh cong cua cac so duong la: ',tbcd:4:2);
writeln('trung binh cong cua cac so am la: ',tbca:4:2);
{--------------------cau-5--------------------------------}
max:=0;
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('so lon nhat cua day la: ',max);
writeln('chi so cua no la: ');
dem2:=0;
for i:=1 to n do
if max=a[i] then
begin
inc(dem2);
b[dem2]:=i;
end;
for i:=1 to dem2 do
write(b[i]:4);
{---------------------cau-6-----------------------------}
writeln;
min:=maxint;
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln('so nho nhat cua day la: ',min);
writeln('chi so cua no la: ');
dem3:=0;
for i:=1 to n do
if min=a[i] then
begin
inc(dem3);
c[dem3]:=i;
end;
for i:=1 to dem3 do
write(c[i]:4);
{-------------------------cau-7------------------------}
writeln;
dem4:=0;
dem5:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then inc(dem4);
if a[i] mod 2=1 then inc(dem5);
end;
writeln('so luong so chan cua day la: ',dem4);
writeln('so luong so le cua day la: ',dem5);
readln;
end.
Program HOC24;
var t: longint;
a,b: integer;
function gt(x: integer): longint;
var i: integer; tich: longint;
begin
tich:=1;
for i:=1 to n tich:=tich*i;
gt:=tich;
end;
begin
write('Nhap a: '); readln(a);
write('Nhap b: '); readln(b);
t:=gt(a)+gt(b)+gt(a-b);
write('T = ',t);
readln
end.
uses crt;
const fi='kiemtra.txt';
var f1:text;
a:array[1..100]of integer;
min,n,i:integer;
{----------------chuong-trinh-con-------------------}
function nn(x,y:integer):integer;
begin
if x<y then nn:=x
else nn:=y;
end;
{-----------------chuong-trinh-chinh-----------------}
begin
clrscr;
write('nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
min:=nn(a[1],a[2]);
for i:=3 to n do
if min>a[i] then min:=a[i];
writeln(min);
readln;
end.
Mình xin sửa lại một chút:
uses crt;
const fi='kiemtra.txt';
var f1:text;
a:array[1..100]of integer;
min,n,i:integer;
{----------------chuong-trinh-con-------------------}
function nn(x,y:integer):integer;
begin
if x<y then nn:=x
else nn:=y;
end;
{-----------------chuong-trinh-chinh-----------------}
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
min:=nn(a[1],a[2]);
for i:=3 to n do
if min>a[i] then min:=a[i];
writeln(min);
readln;
end.
1:
procedure nhap(var a,b,c:real);
begin
Repeat
write('Nhap canh thu nhat:'); readln(a);
write('Nhap canh thu hai:'); readln(b);
write('Nhap canh thu ba:'); readln(c);
Until (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a);
end;
2:
function max(var x,y:real):real;
begin
max:=x;
if max<y then max:=y;
end;