practice 10-Jan-2020

Author: sureshmangs

competitive programming/codechef/ppsum.cpp

@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int summ(int n){
+    return (n*(n+1))/2;
+}
+
+int main()
+{
+    ios_base::sync_with_stdio(false);
+    cin.tie(NULL);
+    int t;
+    cin>>t;
+    while(t--){
+        int d,n;
+        cin>>d>>n;
+        int res=n;
+        while(d--){
+            res=summ(res);
+        }
+        cout<<res<<endl;
+    }
+
+
+return 0;
+}