0534 #include #include #include using namespace std;int n; int ch(vector a){ int tans = n; int f = 1; int ren = 1,pre = 0; while(f){ f = 0; pre = 0,ren = 1; for(int i = 0;i if(a[i] == pre){ ren++; }else{ pre = a[i]; if(ren >= 4){ tans -= r…