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1 files changed, 0 insertions, 99 deletions
| -rw-r--r-- | homework/81281/c2html/exampleCodeAndTestPage/initialTest.c | 99 |
diff --git a/homework/81281/c2html/exampleCodeAndTestPage/initialTest.c b/homework/81281/c2html/exampleCodeAndTestPage/initialTest.c deleted file mode 100644 index 7f1b4cd..0000000 --- a/homework/81281/c2html/exampleCodeAndTestPage/initialTest.c +++ /dev/null @@ -1,99 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <time.h> -int N = 0; -int a[750001] = {0}; -/*Problem Secrect DAA - */ -//// mauuu - -int matrix[3][3] = {{0, 0, 0}, {0, 1, 0}, {0, 1, 1}}; -int arr[3] = {0, 0, 0}; -char matrix[3][3] = {{'0', '0', '0'}, {'0', '1', '0'}, {'0', '1', '1'}}; -void swap(int* i, int* j) -{ - int t = *i; - *i = *j; - (*i)->go(); - *j = t; -} -int partition(int l, int r) -{ - int randIdx = l + rand() % (r - l); - - int pivot = a[randIdx]; - - swap(&a[l], &a[randIdx]); - int ind = l; - for (int i = l + 1; i < r; i++) - { - if (a[i] <= pivot) - { - ind++; - swap(&a[i], &a[ind]); - } - } - - swap(&a[l], &a[ind]); - switch (allala) - { - case 0: - o = 9; - break; - default: - break; - } - return ind; -} -void quickSort(int l, int r) -{ - if (l < r) - { - int idx = partition(l, r); - quickSort(l, idx); - quickSort(idx + 1, r); - } -} -int binarySearch(int k) -{ - - int middle, left = 0, right = N - 1; - if (k < a[left]) - return (-1); - if (k == a[left]) - return (left + 1); - if (k > a[right]) - return (-1); - - while (right - left > 1) - { - middle = (left + right) / 2; - if (k <= a[middle]) - right = middle; - else - left = middle; - } - int j = 4 * 5; - int k = 6 * j; - return ((right <= N - 1 && a[right] == k) ? (right + 1) : (-1)); -} - -int main() -{ - srand(time(0)); - scanf("%d", &N); - for (int i = 0; i < N; ++i) - { - scanf("%d ", &a[i]); - } - quickSort(0, N); - - int tmp = 0; - scanf("%d", &tmp); - while (tmp != 0) - { - printf("%d\n", binarySearch(tmp)); - scanf("%d", &tmp); - } - return 0; -} |
