cpp if / else task

#include<stdio.h>
#include<conio.h>
#include<iostream.h>
main ()
{
char nama[20];
int tanding1, tanding2, tanding3, rata2;
clrscr();
cout<<"\t PROGRAM NILAI HITUNG RATA-RATA\n";
cout<<"\t ==============================\n";
cout<<"NAMA : ";gets(nama);
cout<<"Nilai Pertandingan 1 : ";cin>>tanding1;
cout<<"Nilai Pertandingan 2 : ";cin>>tanding2;
cout<<"Nilai Pertandingan 3 : ";cin>>tanding3;
cout<<endl;
rata2 = (tanding1 + tanding2 + tanding3)/3;
cout<<"Siswa yang bernama "<<nama<<endl;
cout<<"Memperoleh nilai rata rata "<<rata2;
cout<<" Menjadi ";

if(rata2 < 65)
{
cout<<"tidak juara";
}
if (rata2 > 80)
{
cout<<"Juara ke-1";
}
else
if (rata2 > 75)
{
cout<<"juara ke-2";
}
else
if (rata2 > 65)
{
cout<<"Juara ke-3";
}