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Create 1448.cpp
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QUSTOJ/1448.cpp
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17
QUSTOJ/1448.cpp
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#include <stdio.h>
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int main()
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{
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int all,rep,i,ans;
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scanf("%d",&all);
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for(;all>0;all--)
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{
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scanf("%d",&rep);
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ans=3;
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for(i=0;i<rep;i++)
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{
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ans=(ans-1)*2;
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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