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//   __________________
//  | ________________ |
//  ||          ____  ||
//  ||   /\    |      ||
//  ||  /__\   |      ||
//  || /    \  |____  ||
//  ||________________||
//  |__________________|
//  \###################\
//   \###################\
//    \        ____       \
//     \_______\___\_______\
// An AC a day keeps the doctor away.

#pragma g++ optimize("Ofast")
#pragma loop_opt(on)
#include <bits/extc++.h>
#ifdef local
#define debug(x) (cerr<<#x<<" = "<<(x)<<'\n')
#else
#define debug(x) ((void)0)
#endif // local

using namespace std;
typedef int64_t ll;
constexpr ll N = 100025, INF = 1e18, MOD = 998244353, K = 64, inf = 1e9;

struct Splay {
    struct node {
        int ch[2],pa;
        int lf[2];
        // lf[0] is the leftmost element of this splay, lf[1] is the rightmost
    } T[N];
    void pull(int i){
        T[i].lf[0] = T[i].ch[0] ? T[T[i].ch[0]].lf[0] : i;
        T[i].lf[1] = T[i].ch[1] ? T[T[i].ch[1]].lf[1] : i;
    }
    bool isroot(int x){return T[x].pa==0;}
    bool dir(int x){return T[T[x].pa].ch[1] == x;}
    void rot(int x) {
        int y = T[x].pa, z = T[y].pa, d = dir(x);
        T[x].pa = z;
        if(!isroot(y)) T[z].ch[dir(y)] = x;
        T[T[x].ch[!d]].pa = y, T[y].ch[d] = T[x].ch[!d];
        T[x].ch[!d] = y, T[y].pa = x;
    }
    int splay(int x) {
        while(!isroot(x)) {
            int y = T[x].pa;
            if(!isroot(y)) {
                if(dir(x) ^ dir(y))
                    rot(x);
                else
                    rot(y);
            }
            rot(x);
        }
        return T[x].lf[0];
        //like DSU, present a tree with unique element(leftmost)
    }
    // (A..., x, B...) -> (A...) + (x, B...)
    int cut(int x) {
        splay(x);
        int res = T[x].ch[0];
        T[T[x].ch[0]].pa = 0, T[x].ch[0] = 0, T[x].lf[0] = x;
        return res;
    }
    // (A..., x, B...) + (C..., y, D...) -> (x, B...C..., y, D...A...)
    void link(int x, int y) {
        if(!x || !y || splay(x) == splay(y)) return;
        x = T[x].lf[1], y = T[y].lf[0];
        splay(x), splay(y);
        T[y].pa = x, T[x].ch[1] = y;
        splay(y);
    }
    int poke(int x,int y) {
        if(splay(x) == splay(y)) {
            // (A..., x, B..., y, C...) -> (x, B...) + (y, C...A...)
            int a = cut(x);
            link(x,a);
            cut(y);
            return -1;
        }else {
            // (A..., x, B...) + (C..., y, D...) -> (x, B...A..., y, D...C...)
            int a = cut(x);
            int b = cut(y);
            link(x,a);
            link(y,b);
            link(x,y);
            return 1;
        }
    }
    void init(int n) {
        for(int i = 1; i <= n; i++)
            T[i].lf[0] = T[i].lf[1] = i, T[i].pa = T[i].ch[0] = T[i].ch[1] = 0;
    }
    /*void dfs(int i) {
        if(!i) return;
        dfs(T[i].ch[0]);
        cout << i << ' ';
        dfs(T[i].ch[1]);
    }
    void dbg(int n) {
        //return;
        cout << "===\n";
        for(int i = 1; i <= n; i++) if(isroot(i)) dfs(i), cout << '\n';
        cout << "===\n\n";
    }*/
} cycles;
int n,q,v[N],vis[N],pos[N],ans;
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> n >> q;
    cycles.init(n);
    for(int i = 1; i <= n; i++) cin >> v[i], pos[v[i]] = i;
    for(int i = 1; i <= n; i++) if(!vis[i]) {
        int last = 0;
        for(int x = i; !vis[x]; x = pos[x]) {
            if(last) ans += cycles.poke(v[last],v[x]);
            vis[x] = 1;
            last = x;
        }
    }
    cout << ans << '\n';
    //tr.dbg(n);
    //return 0;
    while(q--) {
        int a,b;
        cin >> a >> b;
        ans += cycles.poke(a,b);
        cout << ans << '\n';
        //tr.dbg(n);
    }
}