10-19 AC

2015.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+using namespace std;
+int main(){
+    // Sn = n + n*n
+    // Smi =
+    // bm,n =  2mn - m + 1
+    int m,n;
+    while (cin >> n >> m){
+        int i = 1;
+        for(;i<=n/m;i++){
+            cout << 2*m*i - m + 1 ;cout << ((i == n/m)?"":" ");
+            if(i == n/m){
+                if(n%m!=0)
+                    cout << ' ' << (n*(n+1)-i*m*(i*m + 1))/(n%m) << endl;
+                else
+                    cout << endl;
+                break;
+            }
+        }
+
+    }
+    return 0;
+}