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Pertemuan 6

Pertemuan 6. Searching s. Indexed Sequential Search. for (i = 0; i < indxsize && kindex [ i ] <= key; i ++) { if (i == 0) lowlim = 0; //set low limit else lowlim = pindex [i-1]; if (i == indxsize ) hilim = n – 1; //set high limit else hilim = pindex [i]-1; }

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Pertemuan 6

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  1. Pertemuan 6 Searchings

  2. Indexed Sequential Search for (i = 0; i < indxsize && kindex[ i ] <= key; i++) { if (i == 0) lowlim = 0; //set low limit else lowlim = pindex[i-1]; if (i == indxsize) hilim = n – 1; //set high limit else hilim = pindex[i]-1; } for (j = lowlim; j <= hilim && k[ j ] != key; j++); //search if (j > hilim) return (-1); else return ( j );

  3. Tracing ISS key = 17. Index size = 3.

  4. Latihan tracing

  5. Binary Search low = 0; high = n – 1; while (low <= high) { middle = (low + high)/2; if (key == data[middle]) return(middle); //selesai. if (key < data[middle]) high = middle – 1; else low = middle + 1; } return(-1); //data tidak ditemukan.

  6. Latihan tracing key = 18

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