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zsh-89/209(Div.2)Permutation.cpp

Created November 3, 2013 15:09
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209(Div.2)Permutation.cpp
int main()
{
int n, k;
scanf("%d %d", &n, &k);
n *= 2;
for (int i = 1; i <= n; i+=2) {
if (k) {
--k;
printf("%d %d ", i, i+1);
} else
printf("%d %d ", i+1, i);
}
return 0;
}
@eclipselu
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:lgtm:

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