#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cmath>
using namespace std;
const int N=1000;
int main()
{
int n,a[N],m=0,i,num1,num2;
cin>>n;
cin>>num1;
m++;
for(i=1;i<n;i++){
cin>>num2;
if(num2!=num1){
m++;
}
num1=num2;
}
cout<<m;
return 0;
}
CCF认证 201509-1:数列分段(C++)
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转载自blog.csdn.net/weixin_44652687/article/details/104716167
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