47 lines
1.3 KiB
Plaintext
47 lines
1.3 KiB
Plaintext
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/* file name: binarySearch.c */
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/* <20>G<EFBFBD><47><EFBFBD>j<EFBFBD>M */
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#include <stdio.h>
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#include <stdlib.h>
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int main()
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{
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int data[10] = {12, 23, 29, 38, 44, 57, 64, 75, 82, 98};
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int i, left = 0, right = 9, mid, cnt = 0, input, ok = 0;
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printf("\n<< Binary search >>\n");
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printf("\n<>w<EFBFBD>ƧǦn<C7A6><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ");
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for(i = 0; i < 10; i++)
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printf("%d ", data[i]);
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printf("\n");
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printf("\n<>п<EFBFBD><D0BF>J<EFBFBD><4A><EFBFBD><EFBFBD><EFBFBD>M<EFBFBD><4D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ");
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scanf("%d", &input);
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printf("\nSearching....\n");
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mid = (left + right)/2; /* <20><><EFBFBD>Ȧb<C8A6><62>M<EFBFBD><4D> */
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while (left <= right && ok == 0) {
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printf("\n<><6E>%2d <20><><EFBFBD>䪺<EFBFBD><E4AABA><EFBFBD>ƬO: %d!", ++cnt, data[mid]);
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/* <20><><EFBFBD>j<EFBFBD>M<EFBFBD><4D><EFBFBD><EFBFBD><EFBFBD>Ƥp<C6A4><70><EFBFBD><EFBFBD><EFBFBD>ȡA<C8A1>h<EFBFBD><68><EFBFBD>Ʀb<C6A6><62><EFBFBD>Ȫ<EFBFBD><C8AA>e<EFBFBD><65> */
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if(data[mid] > input) {
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right = mid - 1;
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printf("\n ---> <20>n<EFBFBD>䪺<EFBFBD><E4AABA><EFBFBD>Ƥp<C6A4><70> %d\n", data[mid]);
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}
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/* <20>_<EFBFBD>h<EFBFBD><68><EFBFBD>Ʀb<C6A6><62><EFBFBD>Ȫ<EFBFBD><C8AA>᭱ */
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else {
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if(data[mid] < input) {
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left = mid + 1;
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printf("\n ---> <20>n<EFBFBD>䪺<EFBFBD><E4AABA><EFBFBD>Ƥj<C6A4><6A> %d\n", data[mid]);
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}
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else {
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printf("\n\n<><6E><EFBFBD><EFBFBD><EFBFBD>F, %d <20>O<EFBFBD>b<EFBFBD><62><EFBFBD><EFBFBD> %d <20><><EFBFBD><EFBFBD><EFBFBD>m!\n", input, mid);
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ok = 1;
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}
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}
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mid = (left + right)/2;
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}
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if(ok == 0)
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printf("\n\n<><6E><EFBFBD>p, %d <20>䤣<EFBFBD><E4A4A3>!", input);
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printf("\n");
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return 0;
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}
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