344A

Program

#include <bits/stdc++.h>
 
using namespace std;
 
int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
 
    // Begin here
 
    return 0;
}
n=int(input())
group_no = 0
groups = []
for x in range(n):
    c = int(input())
    if len(groups) == 0:
        group_no+=1
    elif groups[-1] != c: 
        group_no+=1
    groups.append(c)
print(group_no)

Comments

solution.cpp

  • Begin here