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Câu 1:
uses crt;
var a,b:integer;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
if (a>0) and (b>0) then writeln('Cung duong');
if (a<0) and (b<0) then writeln('Cung am');
if (a>0) and (b<0) then writeln('Duong am');
if (a<0) and (b>0) then writeln('Am duong');
readln;
end.
Câu 2:
uses crt;
var a,b:integer;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
if (a mod 2=0) and (b mod 2=0) then writeln('Cung chan');
if (a mod 2<>0) and (b mod 2<>0) then writeln('Cung le');
if (a mod 2=0) and (b mod 2<>0) then writeln('Chan le');
if (a mod 2<>0) and (b mod 2=0) then writeln('Le chan');
readln;
end.
var A:
array[1..n] of int64;
i, n, count: integer;
begin
write('Nhap so phan tu cua mang: ');
readln(n);
for i := 1 to n do
begin
write('Nhap phan tu thu ', i, ': ');
readln(A[i]);
end;
count := 0;
for i := 1 to n do
if A[i] > 0 then
count := count + 1;
writeln('So luong cac so nguyen duong trong mang la: ', count); end.
const fi='dataln.txt';
fo='dataout.txt';
var f1,f2:text;
x,i,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
t:=0;
for i:=1 to 24 do
begin
read(f1,x);
t:=t+x;
end;
writeln(f2,t);
close(f1);
close(f2);
end.
uses crt;
var n,i,d,max,x,y:integer;
st:string;
begin
clrscr;
write('Nhap n='); readln(n);
str(n,st);
d:=length(st);
max:=0;
for i:=1 to d do
begin
val(st[i],x,y);
if max<x then max:=x;
end;
writeln(max);
readln;
end.
Ngôn ngữ: C++
#include <bits/stdc++.h>
using namespace std;
long long a[1000000];
long long n,m,d;
int main()
{
cin>>n>>m;
for(int i=1;i<=n;i++){
long long tmp;
cin>>tmp;
a[i]=a[i-1]+tmp;
}
for(int i=1;i<n;i++){
for(int j=i+1;j<=n;j++){
if(a[j]-a[i-1]<=m){d++;}
}
}
cout<<d;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int main () { int a[1000],n,i;
cin >> n;
for (int i=1;i<=n;i++)
cin >> a[i];
for (int i=2;i<=n;i++)
if (((a[i]<0) and (a[i-1]<0)) or ((a[i]>0) and (a[i-1]>0))) {
cout << a[i-1] <<" " << a[i];
break; }
return 0;
}