Added ques in Self Learning

CodeChef Self-Learning/2-star coders/1. Basic Programming Concepts/1. Make it Divisible/code.cpp

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+#include <bits/stdc++.h>
+using namespace std;
+#define ll long long
+#define db double
+#define ld long double
+#define el "\n"
+
+void solution(){
+  int n;
+  cin >> n;
+
+  for (int i = 1; i <= n; i++){
+    if (n == 1){
+      cout << "3";
+      break;
+    }
+
+    if (i == 1)
+      cout << 1;
+    else if (i == n)
+      cout << 5;
+    else
+      cout << 0;
+  }
+
+  cout << el;
+}
+
+int main(){
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+
+  int t;
+  cin >> t;
+  while (t--)
+    solution();
+
+  return 0;
+}