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  1. #include <cstdio>
  2.  
  3. int main()
  4. {
  5.    unsigned arr[]={
  6.       0xb454499b,0x53273900,0x8032c2fb,0x76f6a48,0xbe1cb684,
  7.       0x6d8c99be,0x40563754,0xba3c3e26,0x4386ca5e,0x9004f9,
  8.       0x32399ba9,0xa4d9435a,0xd3609c82,0xfbc05dca,0x1345e4b5,
  9.       0x5199b6fd,0x7e6cd195,0x72f63f3b,0x475cf221,0x8548a77c,
  10.       0x95e093af,0x5170f7bc,0x85a34276,0x6edc1daa,0xe37a821,
  11.       0x6f003e8b,0x18a776a6,0x8ed2bd8,0x314879f5,0xc711ead1,
  12.       0xb19c9ba5,0xb99b81ac};
  13. #define _len(a) (sizeof(a)/sizeof(*a))
  14.  
  15.    unsigned find=0x99b,size=12;//Что ищем и какого размера
  16.  
  17.    unsigned mask=0;
  18.    for (int i=0;i<size;i++){
  19.       mask=(mask<<1)|1;
  20.  
  21.    }
  22.    printf("0x%x\n",mask);
  23.  
  24.    for (int i=0;i<sizeof(arr);i++){
  25.  
  26.       unsigned part=*(unsigned*)((char*)(arr)+i);
  27.  
  28.       for (int i2=0;i2<8;i2++)
  29.       { unsigned x=((part>>i2)&mask);
  30.          if (x==find){
  31.             printf("find %2d:%d\n",i,i2);
  32.          }
  33.       }
  34.    }
  35.  
  36. }
  37.  
Success #stdin #stdout 0s 4564KB
comments (?)
stdin
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Standard input is empty
stdout
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0xfff
find  0:0
find 20:4
find 41:0
find 61:4
find 103:2
find 126:0
https://ideone.com/rEMkat
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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