delete pics to save space

history_source/信息学奥赛一本通/2.4.9.cpp

@@ -0,0 +1,26 @@
+#include<cstdio>
+struct Sr
+{
+	int m,n;
+};
+long long p(int m,int n,int x)
+{
+	if(n==1) return 1;
+	int ans=0;
+	for(int i=x;i*n<=m;i++) ans+=p(m-i,n-1,i);
+	return ans;
+}
+int answer(Sr sr)
+{
+	printf("%lld\n",p(sr.m,sr.n,0));
+}
+int main()
+{
+	int t;
+	scanf("%d",&t);
+	Sr sr[t];
+	for(int i=0;i<t;i++) scanf("%d%d",&sr[i].m,&sr[i].n);
+	for(int i=0;i<t;i++) answer(sr[i]);
+	return 0;
+}
+