花式打印C++

#include<bits/stdc++.h>
#include<windows.h>
#include<conio.h>
using namespace std;
void happyprint(long long a,char b[100000000]){
    int i=0;
    while(a!=0){
        if(a!=0)
        {
            SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_BLUE);
            cout << b[i];
            a--;
            i++;
        }
        if(a!=0)
        {
                SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_GREEN);
            cout << b[i];
            a--;
            i++;
        }
        if(a!=0)
        {
            SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED);
            cout << b[i];
            a--;
            i++;
        }
    }
}
int main()
{
    happyprint(7,"happyao");
    return 0;
}