vocale egal cu consoane de verificat

#include <iostream>
#include<cstring>
using namespace std;

int main()
{
    int n,i,nr=0,c=0;
    char s[256],v[256]="aeiou";

    cin.getline(s,256);
    n=strlen(s);
    for(i=0;i<n;i++)
        if(strchr(v,s[i]))
        nr++;
    else
        c++;
    if(nr==c)
        cout<<"Da";
    else
        cout<<"Nu";


    return 0;
}