#include <atcoder/all>

#include <bits/stdc++.h>
using namespace std;

#define NDEBUG
#include <cassert>


typedef long long ll;
typedef long double Double;
typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef pair<ll, ll> llll;
typedef pair<double, double> dd;

typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef vector<llll> vllll;
typedef vector<bool> vb;
typedef vector<string> vs;
typedef vector<double> vd;
typedef vector<long double> vD;

#define sz(a) int((a).size())
#define pb push_back
#define eb emplace_back
#define FOR(var, from, to) for (int var = (from); var <= (to); ++var)
#define rep(var, n) for (int var = 0; var < (n); ++var)
#define rep1(var, n) for (int var = 1; var <= (n); ++var)
#define repC2(vari, varj, n)                 \
    for (int vari = 0; vari < (n)-1; ++vari) \
        for (int varj = vari + 1; varj < (n); ++varj)
#define repC3(vari, varj, vark, n)                      \
    for (int vari = 0; vari < (n)-2; ++vari)            \
        for (int varj = vari + 1; varj < (n)-1; ++varj) \
            for (int vark = varj + 1; vark < (n); ++vark)
#define ALL(c) (c).begin(), (c).end()
#define RALL(c) (c).rbegin(), (c).rend()
#define tr(i, c) for (auto i = (c).begin(); i != (c).end(); ++i)
#define found(s, e) ((s).find(e) != (s).end())
#define mset(arr, val) memset(arr, val, sizeof(arr))
#define mid(x, y) ((x) + ((y) - (x)) / 2)
#define IN(x, a, b) ((a) <= (x) && (x) <= (b))
#define cons make_pair
#define clamp(v, lo, hi) min(max(v, lo), hi)
#define ABS(x) max((x), -(x))
#define PQ(T) priority_queue<T, vector<T>, greater<T>>

template <typename T1, typename T2>
inline void amin(T1& a, T2 const& b) {
    if (a > b) a = b;
}
template <typename T1, typename T2>
inline void amax(T1& a, T2 const& b) {
    if (a < b) a = b;
}
template <typename X, typename T>
auto vectors(X x, T a) {
    return vector<T>(x, a);
}
template <typename X, typename Y, typename Z, typename... Zs>
auto vectors(X x, Y y, Z z, Zs... zs) {
    auto cont = vectors(y, z, zs...);
    return vector<decltype(cont)>(x, cont);
}

inline ll square(ll x) { return x * x; }
inline ll gcd(ll a, ll b) {
    while (a) swap(a, b %= a);
    return b;
}
inline ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }
template <typename T>
inline T mod(T a, T b) {
    return ((a % b) + b) % b;
}

template <typename T>
int find_left(vector<T>& v, T elem) {
    return (int)(upper_bound(v.begin(), v.end(), elem) - v.begin()) - 1;
}
template <typename T>
int find_right(vector<T>& v, T elem) {
    return (int)(lower_bound(v.begin(), v.end(), elem) - v.begin());
}

#define INTSPACE 12
char _buf[INTSPACE * 1000000 + 3];

int loadint() {
    if (fgets(_buf, INTSPACE + 3, stdin) == NULL) return 0;
    return atoi(_buf);
}

int loadvec(vector<int>& v, int N = -1) {
    if (N == 0) {
        v.clear();
        return 0;
    }
    if (N == -1) {
        N = loadint();
        if (N == 0) return 0;
    }
    int bufsize = INTSPACE * N + 3;
    if (fgets(_buf, bufsize, stdin) == NULL) return 0;
    v.resize(N);

    int i = 0;
    bool last = false;
    for (char* p = &_buf[0];;) {
        char* q = p;
        while (*q > ' ') ++q;
        if (*q == 0x0D || *q == 0x0A) last = true;
        *q = 0;
        v[i++] = atoi(p);
        if (last || i == N) break;
        p = q + 1;
    }
    return i;
}
void read_cr() { fgets(_buf, 256, stdin); }

void horizontal(vector<int>& v) {
    int L = v.size();
    for (int i = 0; i < L; ++i) {
        printf("%d%c", v[i], (i == L - 1) ? '\n' : ' ');
    }
}
void horizontall(vector<long long>& v) {
    int L = v.size();
    for (int i = 0; i < L; ++i) {
        printf("%lld%c", v[i], (i == L - 1) ? '\n' : ' ');
    }
}

struct S {
    ll zero, one, inversion;
};

S op(S a, S b) { return S{a.zero + b.zero, a.one + b.one, a.inversion + b.inversion + a.one * b.zero}; }
S e() { return S{0, 0, 0}; }

using F = int;

S mapping(F f, S x) {
    if (!f) return x;
    else
        return S{x.one, x.zero, x.one * x.zero - x.inversion};
};

F composition(F f, F g) { return f ^ g; }
F id() { return 0; }

int main() {
    int N, Q;
    scanf("%d %d%*c", &N, &Q);
    vi a(N);
    loadvec(a, N);

    vector<S> ma(N);
    rep(i, N) ma[i] = S{a[i] == 0, a[i] == 1, 0};

    atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(ma);

    rep(i, Q) {
        int t, l, r;
        scanf("%d %d %d%*c", &t, &l, &r);
        --l;
        if (t == 1) {
            F f = 1;
            seg.apply(l, r, f);
        } else if (t == 2) {
            S ans = seg.prod(l, r);
            printf("%lld\n", ans.inversion);
        }
    }
    return 0;
}


Measured memory_bytes: 22572