Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
#include <bits/stdc++.h>;
using namespace std;
int main()
{
long i,n;
float tbc,dem,t,a[10000];
cin>>n;
for (i=1; i<=n; i++)
{
cin>>a[i];
}
dem=0;
t=0;
for (i=1; i<=n; i++)
if (a[i]<0)
{
dem=dem+1;
t=t+a[i];
}
tbc=t/dem;
cout<<fixed<< setprecision(2)<<tbc;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i;
int main()
{
freopen("dayd.inp","r",stdin);
freopen("dayd.out","w",stdout);
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]>0) cout<<a[i]<<" ";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int main()
{
long a[105], i,n,max,vt;
cout<<"n="; cin>>n;
for (i=1; i<=n; i++)
{
cout<<"A["<<i<<"]="; cin>>a[i];
}
max=a[1];
for (i=1; i<=n; i++)
if (max<a[i]) max=a[i];
vt=1;
for (i=1; i<=n; i++)
if (max==a[i]) vt=i;
cout<<max<<endl;
cout<<vt;
return 0;
}
uses crt;
var a:array[1..10000]of integer;
i,n,kt,j:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
for i:=1 to n do
if a[i]>1 then
begin
kt:=0;
for j:=2 to trunc(sqrt(a[i])) do
if a[i] mod j=0 then kt:=1;
if kt=0 then write(a[i]:4);
end;
readln;
end.
USES crt;
VAR n,m,p,q:integer;
Function UCLN(x,y:integer):integer;
Var i,t:integer;
Begin
for i:=1 to x do
if (x mod i=0) and (y mod i =0) then t:=i;
UCLN:=t;
End;
BEGIN
clrscr;
write('Nhap n:'); readln(n);
write('Nhap m:'); readln(m);
p:=n div UCLN(n,m); q:=m div UCLN(n,m);
write('Cap (p,q) la:',p,' ',q);
readln;
END.
const fi='divk.inp';
fo='divk.out';
var f1,f2:text;
a:array[1..100]of integer;
i,n,k,dem,j,x,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n,k);
for i:=1 to n do
read(f1,a[i]);
dem:=0;
for i:=1 to n do
for j:=1 to n do
begin
if i<j then
begin
t:=0;
for x:=i to j do
t:=t+a[x];
if t=k then inc(dem);
end;
for i:=1 to n do
if k=a[i] then inc(dem);
writeln(f2,dem);
close(f1);
close(f2);
end.
#include <bits/stdc++.h>
using namespace std;
#define nhungcute ios_base::sync_with_stdio; cin.tie(0); cout.tie(0);
const int N=1500;
long long n,k,a[N],i,j,c[N][101];
int main(){
nhungcute
cin>>n>>k;
for(i=1;i<=n;i++)
cin>>a[i];
for(i=1;i<=n;i++){
a[i]=a[i]%k;
}
for(i=1;i<k;i++)
c[1][i] =-1e9;
c[1][a[0]]=0;
c[1][a[1]]=1;
for(i=2;i<=n;i++){
for(j=0;j<k;j++){
c[i][j]=max(c[i-1][j],c[i-1][(j-a[i]+k)%k]+1);
}
}
cout<<c[n][0];
return 0;
}
Đề bài yêu cầu gì?