#define _USE_MATH_DEFINES #include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; constexpr int INF = 0x3f3f3f3f; constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL; constexpr double EPS = 1e-8; constexpr int MOD = 1000000007; // constexpr int MOD = 998244353; constexpr int DY[]{1, 0, -1, 0}, DX[]{0, -1, 0, 1}; constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}, DX8[]{0, -1, -1, -1, 0, 1, 1, 1}; template inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; } template inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << fixed << setprecision(20); } } iosetup; template struct MInt { unsigned int val; MInt(): val(0) {} MInt(long long x) : val(x >= 0 ? x % M : x % M + M) {} static constexpr int get_mod() { return M; } static void set_mod(int divisor) { assert(divisor == M); } static void init(int x = 10000000) { inv(x, true); fact(x); fact_inv(x); } static MInt inv(int x, bool init = false) { // assert(0 <= x && x < M && std::__gcd(x, M) == 1); static std::vector inverse{0, 1}; int prev = inverse.size(); if (init && x >= prev) { // "x!" and "M" must be disjoint. inverse.resize(x + 1); for (int i = prev; i <= x; ++i) inverse[i] = -inverse[M % i] * (M / i); } if (x < inverse.size()) return inverse[x]; unsigned int a = x, b = M; int u = 1, v = 0; while (b) { unsigned int q = a / b; std::swap(a -= q * b, b); std::swap(u -= q * v, v); } return u; } static MInt fact(int x) { static std::vector f{1}; int prev = f.size(); if (x >= prev) { f.resize(x + 1); for (int i = prev; i <= x; ++i) f[i] = f[i - 1] * i; } return f[x]; } static MInt fact_inv(int x) { static std::vector finv{1}; int prev = finv.size(); if (x >= prev) { finv.resize(x + 1); finv[x] = inv(fact(x).val); for (int i = x; i > prev; --i) finv[i - 1] = finv[i] * i; } return finv[x]; } static MInt nCk(int n, int k) { if (n < 0 || n < k || k < 0) return 0; if (n - k > k) k = n - k; return fact(n) * fact_inv(k) * fact_inv(n - k); } static MInt nPk(int n, int k) { return n < 0 || n < k || k < 0 ? 0 : fact(n) * fact_inv(n - k); } static MInt nHk(int n, int k) { return n < 0 || k < 0 ? 0 : (k == 0 ? 1 : nCk(n + k - 1, k)); } static MInt large_nCk(long long n, int k) { if (n < 0 || n < k || k < 0) return 0; inv(k, true); MInt res = 1; for (int i = 1; i <= k; ++i) res *= inv(i) * n--; return res; } MInt pow(long long exponent) const { MInt tmp = *this, res = 1; while (exponent > 0) { if (exponent & 1) res *= tmp; tmp *= tmp; exponent >>= 1; } return res; } MInt &operator+=(const MInt &x) { if((val += x.val) >= M) val -= M; return *this; } MInt &operator-=(const MInt &x) { if((val += M - x.val) >= M) val -= M; return *this; } MInt &operator*=(const MInt &x) { val = static_cast(val) * x.val % M; return *this; } MInt &operator/=(const MInt &x) { return *this *= inv(x.val); } bool operator==(const MInt &x) const { return val == x.val; } bool operator!=(const MInt &x) const { return val != x.val; } bool operator<(const MInt &x) const { return val < x.val; } bool operator<=(const MInt &x) const { return val <= x.val; } bool operator>(const MInt &x) const { return val > x.val; } bool operator>=(const MInt &x) const { return val >= x.val; } MInt &operator++() { if (++val == M) val = 0; return *this; } MInt operator++(int) { MInt res = *this; ++*this; return res; } MInt &operator--() { val = (val == 0 ? M : val) - 1; return *this; } MInt operator--(int) { MInt res = *this; --*this; return res; } MInt operator+() const { return *this; } MInt operator-() const { return MInt(val ? M - val : 0); } MInt operator+(const MInt &x) const { return MInt(*this) += x; } MInt operator-(const MInt &x) const { return MInt(*this) -= x; } MInt operator*(const MInt &x) const { return MInt(*this) *= x; } MInt operator/(const MInt &x) const { return MInt(*this) /= x; } friend std::ostream &operator<<(std::ostream &os, const MInt &x) { return os << x.val; } friend std::istream &operator>>(std::istream &is, MInt &x) { long long val; is >> val; x = MInt(val); return is; } }; namespace std { template MInt abs(const MInt &x) { return x; } } using ModInt = MInt; template struct SegmentTree { using Monoid = typename T::Monoid; SegmentTree(int n) : SegmentTree(std::vector(n, T::id())) {} SegmentTree(const std::vector &a) : n(a.size()) { while (p2 < n) p2 <<= 1; dat.assign(p2 << 1, T::id()); for (int i = 0; i < n; ++i) dat[i + p2] = a[i]; for (int i = p2 - 1; i > 0; --i) dat[i] = T::merge(dat[i << 1], dat[(i << 1) + 1]); } void set(int idx, Monoid val) { idx += p2; dat[idx] = val; while (idx >>= 1) dat[idx] = T::merge(dat[idx << 1], dat[(idx << 1) + 1]); } Monoid get(int left, int right) const { Monoid l_res = T::id(), r_res = T::id(); for (left += p2, right += p2; left < right; left >>= 1, right >>= 1) { if (left & 1) l_res = T::merge(l_res, dat[left++]); if (right & 1) r_res = T::merge(dat[--right], r_res); } return T::merge(l_res, r_res); } Monoid operator[](const int idx) const { return dat[idx + p2]; } template int find_right(int left, G g) { if (left >= n) return n; Monoid val = T::id(); left += p2; do { while (!(left & 1)) left >>= 1; Monoid nx = T::merge(val, dat[left]); if (!g(nx)) { while (left < p2) { left <<= 1; nx = T::merge(val, dat[left]); if (g(nx)) { val = nx; ++left; } } return left - p2; } val = nx; ++left; } while (__builtin_popcount(left) > 1); return n; } template int find_left(int right, G g) { if (right <= 0) return -1; Monoid val = T::id(); right += p2; do { --right; while (right > 1 && (right & 1)) right >>= 1; Monoid nx = T::merge(dat[right], val); if (!g(nx)) { while (right < p2) { right = (right << 1) + 1; nx = T::merge(dat[right], val); if (g(nx)) { val = nx; --right; } } return right - p2; } val = nx; } while (__builtin_popcount(right) > 1); return -1; } private: int n, p2 = 1; std::vector dat; }; namespace monoid { template struct RangeMinimumQuery { using Monoid = T; static constexpr Monoid id() { return std::numeric_limits::max(); } static Monoid merge(const Monoid &a, const Monoid &b) { return std::min(a, b); } }; template struct RangeMaximumQuery { using Monoid = T; static constexpr Monoid id() { return std::numeric_limits::lowest(); } static Monoid merge(const Monoid &a, const Monoid &b) { return std::max(a, b); } }; template struct RangeSumQuery { using Monoid = T; static constexpr Monoid id() { return 0; } static Monoid merge(const Monoid &a, const Monoid &b) { return a + b; } }; } // monoid int main() { struct S { using Monoid = tuple; static Monoid id() { return {0, 0, 0, false, -1}; } static Monoid merge(const Monoid& a, const Monoid& b) { const auto [va, la, ra, plus_a, ca] = a; const auto [vb, lb, rb, plus_b, cb] = b; if (ca == -1) return b; if (cb == -1) return a; if (ca == 1) { return {va + vb, la, rb, true, cb}; } else { Monoid res{va - ra + vb - lb + ra * lb, la, rb, plus_a || plus_b, cb}; if (!plus_a) get<1>(res) = la * lb; if (!plus_b) get<2>(res) = rb * ra; return res; } } }; int n; cin >> n; vector c(n + 1, '+'); REP(i, n) cin >> c[i]; SegmentTree seg((n + 1) / 2); REP(i, (n + 1) / 2) { const int v = c[i * 2] - '0'; seg.set(i, {v, v, v, false, c[i * 2 + 1] == '+' ? 1 : 0}); } int q; cin >> q; while (q--) { char t; int x, y; cin >> t >> x >> y; --x; --y; if (t == '!') { S::Monoid s = seg[x / 2], t = seg[y / 2]; if (x & 1) { swap(get<4>(s), get<4>(t)); } else { const ModInt sv = get<0>(s), tv = get<0>(t); get<0>(s) = get<1>(s) = get<2>(s) = tv; get<0>(t) = get<1>(t) = get<2>(t) = sv; } seg.set(x / 2, s); seg.set(y / 2, t); } else if (t == '?') { cout << get<0>(seg.get(x / 2, y / 2 + 1)) << '\n'; } } return 0; }