cses

cses solutions in pure c
git clone git://git.superpozycja.net/cses
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s.c (362B)

      1 #include <stdio.h>
      2 #include <stdlib.h>
      3 
      4 int solve()
      5 {
      6 	unsigned int n;
      7 
      8 	scanf("%u", &n);
      9 
     10 	if (n == 1) return printf("1\n");
     11 	if (n <= 3) return printf("NO SOLUTION\n");
     12 
     13 	for (unsigned i = 2; i <= n; i+=2) printf("%u ", i);
     14 	for (unsigned i = 1; i <= n; i+=2) printf("%u ", i);
     15 
     16 	printf("\n");
     17 
     18 	return 0;
     19 }
     20 
     21 int main()
     22 {
     23 	int t = 1;
     24 	while (t--)
     25 		solve();
     26 }