Create CF2020A.cpp

CF2020A.cpp

@@ -0,0 +1,33 @@
+#include <bits/stdc++.h>
+using namespace std;
+int jzzh(int x,int y){
+	string sum="";
+	int b;
+	string a;
+	while(x){
+		b=x%y;
+		a=to_string(b);
+		x/=y;
+		sum=a+sum;
+	}
+	return stoi(sum);
+}
+int main() {
+	int n,t,k,c;
+	cin>>t;
+	for(int i=0; i<t; i++) {
+		int count=0;
+		cin>>n>>k;
+		if(k==1){
+			cout<<n<<endl;
+			continue;
+		}
+		//c=jzzh(n,k);
+		while(n){
+			count += n % k;
+			n /= k;
+		}
+		cout<<count<<endl;
+	}
+	return 0;
+}