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59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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int len;
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void swap (int *x, char *y)
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{
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int temp;
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temp = *x;
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*x = *y;
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*y = temp;
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}
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void print(const int *v)
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{
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int i;
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int size = len;
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if (v != 0)
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{
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for ( i = 0; i < size; i++)
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{
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printf("%4d", v[i] );
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}
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printf("\n");
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}
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}
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void heappermute(int v[], int n)
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{
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int i;
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if (n == 1)
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{
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print(v);
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}
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else
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{
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for (i = 0; i < n; i++)
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{
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heappermute(v, n-1);
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if (n % 2 == 1)
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{
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swap(&v[0], &v[n-1]);
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}
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else
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{
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swap(&v[i], &v[n-1]);
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}
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}
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}
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}
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int main()
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{
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int num[11];
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int i;
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printf("How many numbers you want to enter: ", len);
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scanf("%d", &len);
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printf("\nEnter %d numbers: ");
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for ( i = 0 ; i < len; i++)
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scanf("%d", &num[i]);
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heappermute(num, len);
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return 0;
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} |