Day of the Programmer

Author: rahulbordoloi

HackerRank Practice/day_of_the_programmer.cpp

@@ -0,0 +1,31 @@
+# include <bits/stdc++.h>
+
+#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
+#define f(i,a,b) for(i=a;i<b;i++)
+#define fr(i,a,b) for(i=a;i>=b;i--)
+#define endl '\n'
+#define ll long long int
+#define ff first
+#define ss second
+#define pb push_back
+#define mp make_pair
+#define mod 1000000007
+
+using namespace std;
+
+main()
+{
+    int year;
+    cin>>year;
+    if(year == 1918)   cout<<"26.09.1918";
+    else if(year == 1700 || year == 1800 || year == 1900)
+        cout<<"12.09."<<year;
+    else if(year % 400 == 0)
+        cout<<"12.09."<<year;
+    else if(year % 4 == 0)
+    {
+        if(year % 100 == 0)    cout<<"13.09."<<year;
+        else cout<<"12.09."<<year;
+    }
+    else cout<<"13.09."<<year;
+}