1 #include<iostream>
2 #include<cmath>
3 #include<cstdio>
4 #include<cstring>
5 using namespace std;
6 #define MAXN 500001
7 struct node
8 {
9 int left,right,left_color,right_color,part;
10 bool mark;
11 }tree[4*MAXN];
12 int color[MAXN];
13 int rev,delta,n,m,cur_color;
14 void update(int t)
15 {
16 tree[t].left_color=tree[2*t].left_color;
17 tree[t].right_color=tree[2*t+1].right_color;
18 tree[t].part=tree[2*t].part+tree[2*t+1].part-(tree[2*t].right_color==tree[2*t+1].left_color);
19 }
20 void build(int t)
21 {
22 if(tree[t].left==tree[t].right)
23 {
24 tree[t].left_color=tree[t].right_color=color[tree[t].left];
25 tree[t].part=1;
26 return ;
27 }
28 int mid=(tree[t].left+tree[t].right)/2;
29 tree[2*t].left=tree[t].left; tree[2*t].right=mid;
30 tree[2*t+1].left=mid+1; tree[2*t+1].right=tree[t].right;
31 build(2*t); build(2*t+1);
32 update(t);
33 }
34 void make(int &x,int &y)
35 {
36 if(rev%2==0)
37 {
38 x=(x-delta+n)%n;
39 y=(y-delta+n)%n;
40 }
41 else
42 {
43 x=(2*n+2-delta-x)%n;
44 y=(2*n+2-delta-y)%n;
45 swap(x,y);
46 }
47 if(x==0)
48 x=n;
49 if(y==0)
50 y=n;
51 }
52 void push_down(int t)
53 {
54 tree[2*t].left_color=tree[2*t].right_color=tree[2*t+1].left_color=tree[2*t+1].right_color=tree[t].left_color;
55 tree[2*t].part=tree[2*t+1].part=1;
56 tree[2*t].mark=tree[2*t+1].mark=1;
57 tree[t].mark=0;
58 }
59 void change(int t,int x,int y,int c)
60 {
61 if(tree[t].left==x&&tree[t].right==y)
62 {
63 tree[t].left_color=tree[t].right_color=c;
64 tree[t].part=1;
65 tree[t].mark=1;
66 return ;
67 }
68 if(tree[t].mark==1)
69 push_down(t);
70 int mid=(tree[t].left+tree[t].right)/2;
71 if(y<=mid)
72 change(2*t,x,y,c);
73 else if(x>mid)
74 change(2*t+1,x,y,c);
75 else
76 change(2*t,x,mid,c),change(2*t+1,mid+1,y,c);
77 update(t);
78 }
79 int search(int t,int x,int y)
80 {
81 if(tree[t].left==x&&tree[t].right==y)
82 {
83 cur_color=tree[t].left_color;
84 return tree[t].part;
85 }
86 if(tree[t].mark)
87 push_down(t);
88 int mid=(tree[t].left+tree[t].right)/2;
89 if(y<=mid)
90 return search(2*t,x,y);
91 else if(x>mid)
92 return search(2*t+1,x,y);
93 else
94 return search(2*t,x,mid)+search(2*t+1,mid+1,y)-(tree[2*t].right_color==tree[2*t+1].left_color);
95 }
96 int main()
97 {
98 int x,y,z;
99 char c[10];
100 int i;
101 int temp1,temp2;
102 rev=delta=0;
103 memset(tree,0,sizeof(tree));
104 scanf("%d%d",&n,&m);
105 for(i=1;i<=n;i++)
106 scanf("%d",color+i);
107 tree[1].left=1; tree[1].right=n;
108 build(1);
109 scanf("%d",&m);
110 for(i=1;i<=m;i++)
111 {
112 scanf("%s",c);
113 if(c[0]=='R')
114 {
115 scanf("%d",&x);
116 if(rev%2==0)
117 delta=(delta+x)%n;
118 else
119 delta=(delta-x+n)%n;
120 }
121 if(c[0]=='F')
122 rev++;
123 if(c[0]=='S')
124 {
125 scanf("%d%d",&x,&y);
126 make(x,y);
127 search(1,x,x); temp1=cur_color;
128 search(1,y,y); temp2=cur_color;
129 change(1,x,x,temp2);
130 change(1,y,y,temp1);
131 }
132 if(c[0]=='P')
133 {
134 scanf("%d%d%d",&x,&y,&z);
135 make(x,y);
136 if(x<=y)
137 change(1,x,y,z);
138 else
139 {
140 change(1,x,n,z);
141 change(1,1,y,z);
142 }
143 }
144 if(c[0]=='C'&&c[1]!='S')
145 {
146 int ans=search(1,1,n);
147 search(1,1,1); temp1=cur_color;
148 search(1,n,n); temp2=cur_color;
149 if(temp1==temp2)
150 ans=max(ans-1,1);
151 printf("%d\n",ans);
152 }
153 if(c[0]=='C'&&c[1]=='S')
154 {
155 scanf("%d%d",&x,&y);
156 make(x,y);
157 //cout<<x<<" "<<y<<endl;
158 if(x<=y)
159 printf("%d\n",search(1,x,y));
160 else
161 {
162 int ans=search(1,x,n)+search(1,1,y);
163 search(1,1,1); temp1=cur_color;
164 search(1,n,n); temp2=cur_color;
165 if(temp1==temp2)
166 ans=ans-1;
167 printf("%d\n",ans);
168 }
169 }
170 }
171 return 0;
172 }
173
174
