【无标题】

#include 
#define N 105 
using namespace std; 

int a[N], n; 

bool check(int i) { 
        for (int j = 0; j < n; ++j) 
            for (int k = j + 1; k < n; ++k) 
                if (a[j] + a[k] == a[i]) return true; 
    return false; 

} 

 

int main() { 
    scanf("%d", &n); 
    for (int i = 0; i < n; ++i)  
        scanf("%d", &a[i]); 

    int sum = 0; 
    for (int i = 0; i < n; ++i) 
        if (check(i)) ++sum; // 也可以是 sum += check(i)

    printf("%d\n", sum); 
        return 0; 

}

#include 
#include 
#include 

using namespace std ;

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    int arr[10]={1,2,3,4,5,6,7,8,9,10};
    bool check=false;
    do{
        int num1=arr[0]*100+arr[1]*10+arr[2];
        int num2=arr[3]*100+arr[4]*10+arr[5];
        int num3=arr[6]*100+arr[7]*10+arr[8];
        if (a*num2==b*num1&&c*num2==b*num3){
            cout<

#include 
using namespace std; 

int main() {
    // 请补全代码，实现题目功能
int n;
cin>>n;
int a[n];
for (int i=1;i<=n;i++){
    cin>>a[i];
}
for (int i=2;i<=n;i++){
    int j;int x=a[i];
    for(j=i;j>1&a[j-1]>a[j];j--){
        a[j]=a[j-1];

    }
//     a[j]=x;
}
sort(a+1,a+n+1);
for (int i=1;i<=n;i++){
    cout<