EvenFibonacciSum solution added

Solutions/even-fibonacci.cpp

@@ -0,0 +1,30 @@
+/*Given a number N, we have to find the sum of even fibonaccci nos.
+ less than the given number N.
+ Code by iamJL
+ */
+#include<bits/stdc++.h>
+using namespace std;
+int fib[10000];
+int main()
+{
+  int t;
+  cin>>t;
+  fib[0]=1,fib[1]=2;
+  while(t--)
+  {
+    int n,i=2;
+    cin>>n;
+    int sum = 2;
+    while(1)
+    {
+     fib[i]=fib[i-1]+fib[i-2];
+        if(fib[i]>n)
+           break;
+        if(fib[i]%2==0)
+         sum+=fib[i];
+      i++;
+        }
+     cout<<sum<<endl;
+  }
+  return 0;
+}