31 lines
491 B
C++
31 lines
491 B
C++
#include<cstdio>
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#include<cstring>
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#include<iostream>
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using namespace std;
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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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while(T--)
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{
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__int64 n;
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scanf("%I64d",&n);
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if(n==2)
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{
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printf("1\n");
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continue;
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}
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if(n&1)
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printf("%I64d\n",(n/2)*(n/2+1));
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else
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{
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n/=2;
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if(n&1)
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printf("%I64d\n",(n-2)*(n+2));
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else
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printf("%I64d\n",(n-1)*(n+1));
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}
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}
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return 0;
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}
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