Bài 17: Chương trình con và phân loại

<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.

Program HOC24;

var i,t,d: byte; 

code: integer;

s: string;

begin

write('Nhap xau: '); readln(s);

write('Xau so: ');

t:=0;

for i:=1 to length(s) do

if s[i] in ['0'..'9'] then 

begin

write(s[i]);

val(s[i],d,code);

t:=t+d;

end;

writeln;

write('Xau chu: ');

for i:=1 to length(s) do if s[i] in ['A'..'z'] then write(s[i]);

writeln;

write('Tong cac con so cua xau so: ',t); 

readln

end.

#include <bits/stdc++.h>

using namespace std;

string st1,st2;

int d1,d2;

int main()

{

cin>>st1>>st2;

d1=st1.length();

d2=st2.length();

if (d1<d2) cout<<st1;

else cout<<st2;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

long long i,n,x,dem;

int main()

{

cin>>n;

dem=0;

for (i=1; i<=n; i++)

{

cin>>x;

if (x%2==0) dem++;

}

cout<<dem;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

double a,b,c,p,s;

int main()

{

cin>>a>>b>>c;

p=(a+b+c)/2;

s=sqrt(p*(p-a)*(p-b)*(p-c));

cout<<fixed<<setprecision(2)<<s;

return 0;

}

uses crt;

var a,b,c,nn:integer;

//chuongtrinhcon

function min(var x,y:integer):integer;

begin

if x<y then min:=x

else min:=y;

end;

//chuongtrinhchinh

begin

clrscr;

readln(a,b,c);

nn=min(a,b);

nn=min(nn,c);

writeln(nn);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

string st,d;

int main()

{

freopen("dkt.inp","r",stdin);

cin>>st;

d=st.length();

for (int i=0; i<=d-1; i++)

st[i]-=32;

cout<<st;

return 0;

}