dz22

Lesson/14.03/l2.c

@@ -2,11 +2,27 @@
 #include<stdlib.h>
 #include<time.h>
 #include<error.h>
-#define N 5
 struct st1{
     int i;
     char s[128];
 };
+/*
+void sort_Select(int x, struct st1 ){
+    struct st1 temp;
+    int i,j;
+    for(i=0;i<(x-1);i++){
+        ind = i;
+        for(j=i+1;j<x;j++){
+            if(arr[ind]>arr[j]){
+                ind = j;
+            }
+        }
+        temp = arr[i];
+        arr[i] = arr[ind];
+        arr[ind] = temp; 
+    }
+}
+*/
 void st_rand(struct st1 temp[], int n){
     int k;
     int j;
@@ -31,16 +47,19 @@ void st_print(struct st1 temp[], int n){
     }
 }
 int main(int argc, char *argv[]){
+    int alenght;
+    printf("input n = ");
+    scanf("%d", &alenght);
     struct st1 *pq=NULL;
     srand(time(NULL));
 
-    if((pq=malloc(N*sizeof(struct st1))) == NULL){
+    if((pq=malloc(alenght*sizeof(struct st1))) == NULL){
         printf("malloc: NULL\n");
         exit(2);
     }
-    st_rand(pq,N);
-    st_print(pq,N);
+    st_rand(pq,alenght);
+    st_print(pq,alenght);
     free(pq);
     pq = NULL;
     return 0;
-}
+}