Odd Even Count
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// Input: ARRAY, int,
// To find last even and odd ocuurence, count all occurence
// [10,11,15,5,171,11,7,9,12]
// NUM=11;
// index even, index odd, count
function findOccurrence(arr, num){
let count=0, odd=-1, even=-1;
for(let i=arr.length-1; i>-1; i--){
if(arr[i]===num){
if(i%2==0){
even=i;
break;
}
}
}
for(let i=arr.length-1; i>-1; i--){
if(arr[i]===num){
if(i%2!=0){
odd=i;
break;
}
}
}
for(let i=arr.length-1; i>-1; i--){
if(arr[i]===num){
count++;
}
}
console.log(`Even: ${even}`);
console.log(`Odd: ${odd}`);
console.log(`Count: ${count}`);
}
findOccurrence([10,11,15,5,11,11,7,9,12],11);
JavaScript
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