From ae102ff9d47683f19a656f61725e6d328d8deb2f Mon Sep 17 00:00:00 2001
From: RohanChaudhary1805 <rohanchaudhary1526@gmail.com>
Date: Sat, 29 Oct 2022 19:48:46 +0530
Subject: [PATCH 1/2] C++ code

---
 C++/p_binary.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 C++/p_binary.cpp

diff --git a/C++/p_binary.cpp b/C++/p_binary.cpp
new file mode 100644
index 0000000..98d4a36
--- /dev/null
+++ b/C++/p_binary.cpp
@@ -0,0 +1,42 @@
+#include<bits/stdc++.h>
+using namespace std;
+#define ll long long
+long long takat(long long a,long long b){
+    long long c=a;
+    if(b==0){
+        a=1;
+    }
+    for(long long i=0;i<b-1;i++){
+        a=(a*c)%(ll)(1e9+7);
+    }
+    return a;
+}
+string st[1001][1001];
+string d="";
+int main (){
+    ios_base::sync_with_stdio(false);
+    cin.tie(NULL); cout.tie(NULL);
+    ll n,k,m,a=0,b=1,j=0;
+    cin>>n>>m;
+    char c;
+    string s="",s1="",s2="";
+    map<string,bool> mp;
+    for(ll i=0;i<m;i++){
+        c='a'+i;
+        s1+=c;
+    }
+    for(ll i=0;i<m;i++){
+        s+=s1[i];
+        for(ll j=i+1;j<m;j++){
+            s+=s1[i];
+            s+=s1[j];
+        }
+    }
+    s1="";
+    m=s.size();
+    while(s1.size()!=n){
+        s1+=s[j%m];
+        j++;
+    }
+    cout<<s1;
+}

From 13ec8dc21bb3d7f5fd7ee14aa4c3dadf50a0b188 Mon Sep 17 00:00:00 2001
From: RohanChaudhary1805 <rohanchaudhary1526@gmail.com>
Date: Sat, 29 Oct 2022 19:52:36 +0530
Subject: [PATCH 2/2] c++ code modified

---
 C++/p_binary.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/C++/p_binary.cpp b/C++/p_binary.cpp
index 98d4a36..f5d6030 100644
--- a/C++/p_binary.cpp
+++ b/C++/p_binary.cpp
@@ -1,3 +1,5 @@
+//C++ code
+//https://codeforces.com/contest/1225/problem/C
 #include<bits/stdc++.h>
 using namespace std;
 #define ll long long