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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
12 lines
181 B
C++
12 lines
181 B
C++
#include <stdio.h>
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int main()
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{
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int t,n,k;
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scanf("%d",&t);
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while(t--){
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scanf("%d%d",&n,&k);
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printf("%I64d\n",1LL<<n-k);
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}
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return 0;
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}
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