summaryrefslogtreecommitdiff
path: root/1_anno/Programmazione_2/algorithms/mergesort.cc
diff options
context:
space:
mode:
authorSanto Cariotti <santo@dcariotti.me>2021-02-06 19:56:36 +0100
committerSanto Cariotti <santo@dcariotti.me>2021-02-06 19:56:36 +0100
commitd2edbc38cac8da52f58c5cd3da6c0c625fa05736 (patch)
treea51e9a4e56fc9d4c7c9e37576dceedca3a0c72b4 /1_anno/Programmazione_2/algorithms/mergesort.cc
parent98f34040820dc3a964b7be59a698323e8cc6c8a3 (diff)
conf: rename
Diffstat (limited to '1_anno/Programmazione_2/algorithms/mergesort.cc')
-rw-r--r--1_anno/Programmazione_2/algorithms/mergesort.cc52
1 files changed, 0 insertions, 52 deletions
diff --git a/1_anno/Programmazione_2/algorithms/mergesort.cc b/1_anno/Programmazione_2/algorithms/mergesort.cc
deleted file mode 100644
index 68d28cb..0000000
--- a/1_anno/Programmazione_2/algorithms/mergesort.cc
+++ /dev/null
@@ -1,52 +0,0 @@
-#include<iostream>
-
-using namespace std;
-
-void merge(int A[], int l, int q, int r) {
- int i = l;
- int j = q+1;
- int k = l;
- int B[r];
-
- while((i <= q) && (j <= r)) {
- if(A[i] <= A[j])
- B[k] = A[i++];
- else
- B[k] = A[j++];
-
- k++;
- }
-
- while(i <= q)
- B[k++] = A[i++];
-
- while(j <= r)
- B[k++] = A[j++];
-
- for(k = l; k <= r; ++k)
- A[k] = B[k];
-}
-
-void mergesort(int A[], int l, int r) {
- if(l < r) {
- int q = (l+r)/2;
- mergesort(A, l, q);
- mergesort(A, q+1, r);
- merge(A, l, q, r);
- }
-}
-
-
-int main() {
- int a[] = {7,1,22,3,2,12,27,31,6};
- for(int i = 0; i < 9; ++i) {
- cout << a[i] << ' ';
- }
- cout << endl;
- mergesort(a, 0, 8);
- for(int i = 0; i < 9; ++i) {
- cout << a[i] << ' ';
- }
-
- return 0;
-}