#include <stdio.h>
#define N 1000
int main()
{
int n, a[N], i, s = 1;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &a[i]);
for (i = 0; i < n - 1; i++)
if (a[i] != a[i + 1])
s++;
printf("%d", s);
return 0;
}
#CSP 201509-1 数列分段(100分)
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转载自blog.csdn.net/weixin_45884316/article/details/104340113
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