08-25-2025

Luogu/P1150 Peter 的烟.cpp

@@ -1,17 +1,14 @@
 #include <iostream>
 using namespace std;
 int main(){
-	int n,k;
-	cin>>n>>k;
-	int tmp=n;
-	int js=n;
-	while(tmp>k){
-		js+=int(tmp/k);
-		tmp=tmp%k+tmp/k;
+	int n, k;
+	cin >> n >> k;
+	int tmp = n;
+	int js = 0;
+	while(tmp >= k){
+		tmp = tmp - k + 1;
+		js++; 
 	}
-	cout<<js<<endl;
+	cout << n + js << endl;
 	return 0;
 }
-
-/* 4%3=1   5%3=2 2+int(5/3)=3 3%3=0
-	6%4=2 2+6/4=3*/