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