23 lines
265 B
C
23 lines
265 B
C
#include <stdio.h>
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int main(void) {
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int n;
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printf("Input positive integer: ");
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scanf("%d", &n);
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if (n <= 1) {
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return 1;
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}
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int i = 1;
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while (2*i <= n) {
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printf("%d ", 2*i++);
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}
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printf("\n");
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return 0;
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}
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