Cho dãy số $A$ gồm $N$ phần tử a1,a2,...,aNa1​,a2​,...,aN​. Đếm số lượng số âm, số dương trong dãy số.

c++

$\color{#1c1c1c}{\text{tu}}$$\color{#363636}{\text{a}}$$\color{#4f4f4f} {\text{n}}$$\color{#696969}{\text{d}}$$\color{#828282} {\text{u}}$$\color{#9c9c9c}{\text{n}}$$\color{#b5b5b5} {\text{m}}$$\color{#cfcfcf}{\text{a}}$$\color{#eee9e9}{\text{i}}$

#include<bits/stdc++.h>
const int N=1e5;
using namespace std;
double n,a[N+5],d1=0,d=0;
int main(){
    bool kt=1;
    cin>>n;
    for(long long i=1; i<=n; i++)
        cin>>a[i];
    for(int i=1;i<=n; i++){
        if(a[i]<0){
            d++;
            }
    }
    cout<<d<<" ";
    for(int i=n; i>=1; i--){
        if(a[i]>0){
            d1++;
            }
    }
    cout<<d1;
}

`\color{blue}{team} \color{black}{manh} \color{blue}{đô} \color{black}{ng}`

#include<bits/stdc++.h>
#define ll long long
using namespace std;

int main(){
    ll n,a,s=0,x=0;
    cin>>n;
    //meothinhle
    for (int i=0;i<n;i++){
        cin>>a;
        if (a<0) s+=1;
        if (a>0) x+=1;
    }
    cout<<s<<" "<<x;
    return 0;
}