uses crt;

var a,b,c,d,i,min:integer;

x:array[1..4]of integer;

begin

clrscr;

write('Nhap a='); readln(a);

write('Nhap b='); readln(b);

write('Nhap c='); readln(c);

write('Nhap d='); readln(d);

x[1]:=a;

x[2]:=b;

x[3]:=c;

x[4]:=d;

min:=x[1];

for i:=1 to 4 do 

  if min>x[i] then min:=x[i];

writeln(min);

readln;

end.

a = int(input("Nhập vào số nguyên a: "))

b = int(input("Nhập vào số nguyên b: "))

c = int(input("Nhập vào số nguyên c: "))

max_num = max(a, b, c)

print("Giá trị lớn nhất là:", max_num)

#include <bits/stdc++.h>

using namespace std;

long long a,b,c,d;

int main()

{

cin>>a>>b>>c>>d;

cout<<max(a,max(b,max(c,d)));

return 0;

}

1:

uses crt;

const fi='ketqua.txt';

var f1:text;

st:string;

i,d:integer;

begin

clrscr;

assign(f1,fi); rewrite(f1);

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

d:=length(st);

for i:=1 to d do 

 if st[i]=#32 then delete(st,i,1);

writeln(f1,st);

close(f1);

end.

2:

uses crt;

var a,b,c,d:integer;

{----------chuong-trinh-con-----------------------}

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

begin

if x<y then min:=x

else min:=y;

end;

{---------------chuong-trinh-chinh--------------------}

begin

clrscr;

write('a='); readln(a);

write('b='); readln(b);

write('c='); readln(c);

write('d='); readln(d);

writeln(min(a,min(b,min(c,d))));

readln;

end.

Program HOC24;

var a,b: integer;

D: longint;

begin

write('Nhap a: '); readln(a);

write('Nhap b: '); readln(b);

D:=2*(a+b);

write('D = ',D);

readln

end.

Bài 2: 

#include <bits/stdc++.h>;

using namespace std;

int main();

{

long m,n;

cout<<"Nhap m="; cin>>m;

cout<<"Nhap n="; cin>>n;

cout<<m*n-2;

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.

Program HOC24;

var a,b,c,d,max: integer;

t: longint;

begin

write('Nhap a; b; c; d: '); readln(a,b,c,d);

t:=a+b+c+d;

writeln('Tong 4 so tren la: ',t); 

max:=a;

if max<b then max:=b;

if max<c then max:=c;

if max<d then max:=d;

write('So lon nhat cua chung la: ',max);

readln

end.

*Cách khác:

uses crt;

var a,b,c,d,max:integer;

begin

clrscr;

write('Nhap a='); readln(a);

write('Nhap b='); readln(b);

write('Nhap c='); readln(c);

write('Nhap d='); readln(d);

writeln('Tong cua 4 so la: ',a+b+c+d);

max:=a;

if max<b then max:=b;

if max<c then max:=c;

if max<d then max:=d;

writeln('Gia tri lon nhat la: ',max);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a[6],i,t,t1;

int main()

{

t=0;

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

{

cin>>a[i];

if (a[i]%2==0) t=t+a[i];

}

t1=0;

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

if ((a[i]%2!=0) and (i%2==0)) t1=t1+a[i];

cout<<t<<endl;

cout<<t1;

return 0;

}