Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
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;
}
#include <bits/stdc++.h>
using namespace std;
double a,b,c,tb;
int main()
{
cin>>a>>b>>c;
tb=(a+b+c)/3;
cout<<fixed<<setprecision(1)<<tb<<endl;
if (tb>=8) cout<<"Gioi";
else if ((6.5<=tb) and (tb<8)) cout<<"Kha";
else if ((5<=tb) and (tb<=6.5)) cout<<"Trung Binh";
else cout<<"Chua dat";
return 0;
}
var t,dt,a,tb: real;
begin
write('Nhap diem mon Toan: '); readln(t);
write('nhap diem mon Tin: '); readln(dt);
write('Nhap diem mon Anh: '); readln(a);
if (a<=0) or (a>=10) or (t<=0) or (t>=10) or (dt<=0) or (dt>=10) then
repeat
writeln('Khong hop le, nhap lai: ');
write('Nhap diem mon Toan: '); readln(t);
write('nhap diem mon Tin: '); readln(dt);
write('Nhap diem mon Anh: '); readln(a);
until (a>=0) and (a<=10) and (t>=0) and (t<=10) and (dt>=0) and (dt<=10);
tb:=(t+dt+a)/3;
writeln('Diem trung binh: ',tb:2:1);
if (dt>=6.5) and (t>=6.5) and (a>=6.5) and (tb>=8) then writeln('Gioi') else
if (dt>=5) and (t>=5) and (a>=5) and (tb>=6.5) then writeln('Kha') else writeln('Trung binh');
end.
uses crt;
var toan,tin,anh,tb:real;
kt:integer;
begin
clrscr;
repeat
write('Nhap diem Toan:'); readln(toan);
write('Nhap diem Tin:'); readln(tin);
write('Nhap diem Anh:'); readln(anh);
until (0<=toan) and (toan<=10) and (0<=tin) and (tin<=10) and (0<=anh) and (anh<=10);
tb:=(toan+tin+anh)/3;
writeln('Diem trung binh cua 3 mon la: ',tb:4:2);
kt:=0;
if (tb>=8) and (toan>=6.5) and (tin>=6.5) and (anh>=6.5) then kt:=1;
if (6.5<=tb) and (tb<8) and (5<=toan) and (toan<6.5) and (5<=tin) and (tin<6.5) and (5<=anh) and (anh<6.5) then kt:=2;
if kt=0 then writeln('Hoc sinh trung binh');
if kt=1 then writeln('Hoc sinh gioi');
if kt=2 then writeln('Hoc sinh kha');
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
double a,b,c,tbc;
int main()
{
cin>>a>>b>>c;
tbc=(a+b+c)/3;
cout<<"Tong la:"<<fixed<<setprecision(2)<<a+b+c<<endl;
cout<<"TBC la:"<<fixed<<setprecision(2)<<tbc;
return 0;
}
Câu 1:
#include <bits/stdc++.h>
using namespace std;
long long n;
int main()
{
cin>>n;
int t=0;
while (n>0)
{
int x=n%10;
t=t+x;
n=n/10;
}
cout<<t;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[1000];
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=n; i>=1; i--) cout<<a[i]<<" ";
return 0;
}
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.
public class myDemo2 { public static void main(String[] args) { double a = 13.201, b = 16.124, c = 15.151; if ((a + b > c) || (a + c > b) || (b + c > a)) { System.out.println("Đây là tam giác !"); } if ((a == b) || (b == c) || (c == a)) { System.out.println("Đây là tam giác cân !"); } else if ((a == b) && (b == c) && (c == a)) { System.out.println("Đây là tam giác đều !"); } else if ((a * a == b * b + c * c) || (b * b == a * a + c * c) || (c * c == b * b + a * a)) { System.out.println("Đây là tam giác vuông !"); } else { System.out.println("Đây không phải tam giác");
Bài 1:
Program hotrotinhoc;
var s,p,a,b,c: real;
begin
write('Nhap canh thu 1: '); readln(a);
write('Nhap canh thu 2: '); readln(b);
write('Nhap canh thu 3: '); readln(c);
p:=a+b+c;
writeln('Chu vi tam giac la :',p:1:2);
p:=p/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
write('Dien tich tam giac la :',s:1:2);
readln
end.
Bài 2:
program hotrotinhoc;
var dtb,d,t,l,h,v,a : real;
begin
write('Nhap diem Toan :'); readln(t);
write('Nhap diem Ly :'); readln(l);
write('Nhap diem Hoa :'); readln(h);
write('Nhap diem Van :'); readln(v);
write('Nhap diem Anh :'); readln(a);
writeln('Diem trung binh la :',((t+l+h+v+a)/5):1:2);
writeln('Diem trung binh cua 2 mon Toan va Van :',((t+v)/2):1:2);
dtb:=(t*2+v*2+l+h+v+a)/8;
write('Diem trung bình của cac mon khi Toan va Van la he so 2 la :',dtb:1:2);
readln
end.