mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
23 lines
387 B
C++
23 lines
387 B
C++
#include <stdio.h>
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int jc(int n)
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{
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int i,t=1;
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if(n==0) return 1;
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for(i=n;i>0;i--) t *= i;
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return t;
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}
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int main()
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{
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int k,t,n,m;
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char lt;
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scanf("%d",&t);
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while(t--)
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{
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scanf(" %c%d%d",<,&n,&m);
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if(lt=='A') k = jc(n)/jc(n-m);
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else k = jc(n)/(jc(m)*jc(n-m));
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printf("%d\n",k);
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}
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return 0;
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}
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