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  1. #include <stdio.h>
  2. #include <inttypes.h>
  3. #include <string.h>
  4. #include <stdlib.h>
  5.  
  6. void uintprint3(uint32_t *a)
  7. {
  8.   printf("%u %u %u\n", a[0], a[1], a[2]);
  9. }
  10.  
  11. void uintprint4(uint32_t *a)
  12. {
  13.   printf("%u %u %u %u\n", a[0], a[1], a[2], a[3]);
  14. }
  15.  
  16. void insert3(uint32_t in[static 3], uint32_t value, uint32_t out[static 4])
  17. {
  18.   /*                  0      1      2      3      4      5      6      7      8      9      10     11     12    */
  19.   uint32_t tmp[13] = {value, in[0], in[1], in[2], value, in[0], in[1], value, in[2], in[0], value, in[1], in[2]};
  20.   uint8_t bits = ((value <= in[0]) << 2 ) | ((value <= in[1]) << 1) | (value <= in[2]);
  21.   static const uint8_t b[] =
  22.   {
  23.     [0b000] = 1,
  24.     [0b001] = 5,
  25.     [0b010] = 255,
  26.     [0b011] = 9,
  27.     [0b100] = 255,
  28.     [0b101] = 255,
  29.     [0b110] = 255,
  30.     [0b111] = 0
  31.   };
  32.   if (b[bits] > sizeof(tmp)/sizeof(uint32_t)) {
  33.     printf("Kakoj bagor )))\n");
  34.     exit(-1);
  35.   }
  36.   memcpy(out, tmp + b[bits], 4*sizeof(uint32_t));
  37. }
  38.  
  39. int main(void)
  40. {
  41.   uint32_t a[] = {1, 3, 5};
  42.   printf("Input: "); uintprint3(a);
  43.   printf("Output:\n");
  44.   uint32_t b[4]; insert3(a, 0, b); uintprint4(b);
  45.   uint32_t c[4]; insert3(a, 1, c); uintprint4(c);
  46.   uint32_t d[4]; insert3(a, 2, d); uintprint4(d);
  47.   uint32_t e[4]; insert3(a, 3, e); uintprint4(e);
  48.   uint32_t f[4]; insert3(a, 4, f); uintprint4(f);
  49.   uint32_t g[4]; insert3(a, 5, g); uintprint4(g);
  50.   uint32_t h[4]; insert3(a, 6, h); uintprint4(h);
  51.  
  52.   uint32_t i[] = {5, 3, 1};
  53.   printf("Input: "); uintprint3(i);
  54.   printf("Output:\n");
  55.   uint32_t j[4]; insert3(i, 2, j); uintprint4(j);
  56.  
  57.   return 0;
  58. }
Runtime error #stdin #stdout 0s 9424KB
comments (?)
stdin 
Standard input is empty
stdout 
Input: 1 3 5
Output:
0 1 3 5
1 1 3 5
1 2 3 5
1 3 3 5
1 3 4 5
1 3 5 5
1 3 5 6
Input: 5 3 1
Output:
Kakoj bagor )))
https://ideone.com/cgnvBp
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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