201509-1数列分段

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#include<stdio.h>

int main(){
	int n,a[1024],count=1;
	scanf("%d",&n);
	for(int i=0; i<n; i++){    
		scanf("%d",&a[i]);
	}
	 
	
	for(int i=0; i<n-1; i++){  
		if(a[i]!=a[i+1]){
			count++;
		}
	}
	
	printf("%d",count);
	
	
    return 0;
}

水~~~