Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <stdio.h>
- #include <stdlib.h>
- int main()
- {
- int n,i,x[10001],a=1,f=0;
- while(1){
- scanf("%d",&n);
- if(n==0){
- break;
- }
- else{
- for(i=0 ; i < n ; i++){
- scanf("%d",&x[i]);
- }
- for(i=0 ; i< n-2 ; i++){
- if((x[a] > x[i] && x[a] > x[i+2]) || (x[a] < x[i] && x[a] < x[i+2])){
- f++;
- }
- a++;
- }
- if((x[0] > x[n-1] && x[0] > x[1]) || (x[0] < x[n-1] && x[0] < x[1])){
- f++;
- }
- if(x[n-1] > x[n-2] && x[n-1] > x[0] || x[n-1] < x[n-2] && x[n-1] < x[0]){
- f++;
- }
- printf("%d\n",f);
- f=0;
- a=1;
- }
- }
- return 0;
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement