#include using namespace std; #pragma GCC optimize("O3", "unroll-loops") using lint = long long int; using pint = pair; using plint = pair; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((lint)(x).size()) #define POW2(n) (1LL << (n)) #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template void ndarray(vector &vec, int len) { vec.resize(len); } template void ndarray(vector &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); } template bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; } template bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; } template pair operator+(const pair &l, const pair &r) { return make_pair(l.first + r.first, l.second + r.second); } template pair operator-(const pair &l, const pair &r) { return make_pair(l.first - r.first, l.second - r.second); } template istream &operator>>(istream &is, vector &vec){ for (auto &v : vec) is >> v; return is; } ///// This part below is only for debug, not used ///// template ostream &operator<<(ostream &os, const vector &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const deque &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const pair &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; } template ostream &operator<<(ostream &os, const map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl; ///// END ///// vector vals; vector> accs; constexpr int B = 800; void bucket_resolve(int b) { sort(vals.begin() + b * B, vals.begin() + (b + 1) * B); accs[b].assign(B + 1, 0LL); REP(i, B) accs[b][i + 1] = accs[b][i] + vals[b * B + i]; } vector A; plint getvalue(int l, int r, lint q) { lint n = 0; lint tot = 0; if (r - l < B + 10) { FOR(i, l, r) if (A[i] < q) n++, tot += A[i]; } else { int bl = l / B; int br = r / B; FOR(i, l, (bl + 1) * B) if (A[i] < q) n++, tot += A[i]; FOR(i, br * B, r) if (A[i] < q) n++, tot += A[i]; FOR(b, bl + 1, br) { int i = lower_bound(vals.begin() + b * B, vals.begin() + (b + 1) * B, q) - vals.begin() - b * B; n += i, tot += accs[b][i]; } } return make_pair(n, tot); } int main() { int N, Q; cin >> N >> Q; int Nb = (N + B - 1) / B; A.resize(Nb * B); REP(i, N) cin >> A[i]; vals.resize(Nb * B); accs.resize(Nb); REP(i, N) { vals[i] = A[i]; } REP(i, Nb) { bucket_resolve(i); } vector AS = A; AS.push_back(-1e9 - 5); AS.push_back(1e9 + 5); sort(ALL(AS)); AS.erase(unique(ALL(AS)), AS.end()); REP(_, Q) { int L, R; cin >> L >> R; L--; int lo = 0, hi = AS.size() - 1; while (hi > lo + 1) { int c = (lo + hi) / 2; plint p = getvalue(L, R, AS[c]); if (p.first <= (R - L) / 2) lo = c; else hi = c; } plint upper = getvalue(L, R, 1e9 + 10); lint q = AS[lo]; plint lower = getvalue(L, R, q); lint ret = (upper.second - lower.second) - (upper.first - lower.first) * q + lower.first * q - lower.second; printf("%lld\n", ret); } }