qiujiehe l p

for(i=0;i<n;i++){
    scanf("%d",x);
    if(x%2==0){
        counter++;
        sum+=x;
    }
}

有帮助的话麻烦采纳一下

int main()
{
  int T, sum = 0, count = 0;
cin>>T;
while(T--)
{
int temp;
  cin>>temp;
if (temp & 1)
{
count++;
sum += temp;
}
}
cout<<"sum = "<<sum<<"count = "<<count<<endl;
  return 0;
}