Create LongestPalindromeInArray.cpp

Author: sanketkurle24

C++/LongestPalindromeInArray.cpp

@@ -0,0 +1,36 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int ispalindrome(int n){
+    int rev=0, temp = n;
+
+    while(temp>0){
+        int rem = temp%10;
+        rev = rev*10 + rem;
+        temp /= 10;
+    }
+
+    if(n==rev)
+       return 1;
+
+    return 0;
+}
+
+int main(){
+    int arr[] = {1, 121, 55551, 545545, 10111, 90};
+    int n = sizeof(arr)/sizeof(arr[0]);
+    int res = INT_MIN;
+
+    sort(arr, arr+n);
+    for(int i=n-1; i>=0; i--){
+        if(ispalindrome(arr[i]) && res<arr[i]){
+           res = arr[i];
+           break;
+        }
+    }
+
+    if(res==INT_MIN)
+      res = -1;
+
+    cout<<res;
+}