結果
問題 | No.619 CardShuffle |
ユーザー | はまやんはまやん |
提出日時 | 2017-12-25 21:48:55 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 111 ms / 3,000 ms |
コード長 | 5,011 bytes |
コンパイル時間 | 1,841 ms |
コンパイル使用メモリ | 178,028 KB |
実行使用メモリ | 7,808 KB |
最終ジャッジ日時 | 2024-06-02 05:26:41 |
合計ジャッジ時間 | 4,999 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 5 ms
7,424 KB |
testcase_01 | AC | 5 ms
7,552 KB |
testcase_02 | AC | 5 ms
7,552 KB |
testcase_03 | AC | 5 ms
7,552 KB |
testcase_04 | AC | 5 ms
7,396 KB |
testcase_05 | AC | 5 ms
7,424 KB |
testcase_06 | AC | 5 ms
7,552 KB |
testcase_07 | AC | 5 ms
7,552 KB |
testcase_08 | AC | 5 ms
7,424 KB |
testcase_09 | AC | 4 ms
7,424 KB |
testcase_10 | AC | 4 ms
7,424 KB |
testcase_11 | AC | 5 ms
7,424 KB |
testcase_12 | AC | 5 ms
7,424 KB |
testcase_13 | AC | 5 ms
7,340 KB |
testcase_14 | AC | 5 ms
7,424 KB |
testcase_15 | AC | 5 ms
7,296 KB |
testcase_16 | AC | 84 ms
7,680 KB |
testcase_17 | AC | 74 ms
7,776 KB |
testcase_18 | AC | 85 ms
7,680 KB |
testcase_19 | AC | 75 ms
7,680 KB |
testcase_20 | AC | 86 ms
7,808 KB |
testcase_21 | AC | 63 ms
7,524 KB |
testcase_22 | AC | 61 ms
7,680 KB |
testcase_23 | AC | 64 ms
7,756 KB |
testcase_24 | AC | 60 ms
7,528 KB |
testcase_25 | AC | 58 ms
7,680 KB |
testcase_26 | AC | 101 ms
7,680 KB |
testcase_27 | AC | 89 ms
7,808 KB |
testcase_28 | AC | 103 ms
7,680 KB |
testcase_29 | AC | 87 ms
7,808 KB |
testcase_30 | AC | 111 ms
7,680 KB |
testcase_31 | AC | 6 ms
7,296 KB |
testcase_32 | AC | 87 ms
7,808 KB |
testcase_33 | AC | 84 ms
7,808 KB |
testcase_34 | AC | 91 ms
7,552 KB |
testcase_35 | AC | 52 ms
7,424 KB |
ソースコード
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } //--------------------------------------------------------------------------------------------------- template<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } return ModInt(u); } bool operator==(ModInt that) const { return x == that.x; } bool operator!=(ModInt that) const { return x != that.x; } ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; } }; template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; }; template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) { ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } typedef ModInt<1000000007> mint; //--------------------------------------------------------------------------------------------------- struct func { mint a, b, c; int f; func(mint a = 1, mint b = 0, mint c = 0, int f = 0) : a(a), b(b), c(c), f(f) {} }; func operator*(func x, func y) { // op1 if (x.f and y.f) return func(x.a, x.b + x.c * y.a + y.b, y.c, 1); // op2 if (x.f) return func(x.a, x.b, x.c * y.a, 1); // op3 if (y.f) return func(x.a * y.a, y.b, y.c, 1); // op4 if (!x.f and !y.f) return func(x.a * y.a, 0, 0, 0); assert(0); } //--------------------------------------------------------------------------------------------------- template<class V, int NV> struct SegTree { // [L,R) V comp(V l, V r) { return l * r; }; vector<V> val; SegTree() { val = vector<V>(NV * 2); } V get(int x, int y, int l = 0, int r = NV, int k = 1) { if(r<=x||y<=l)return V();if(x<=l&&r<=y)return val[k];auto A=get(x,y,l,(l+r)/2,k*2); auto B = get(x,y,(l+r)/2,r,k*2+1);return comp(A,B);} void update(int i, V v){i+=NV;val[i]=v;while (i>1)i>>=1,val[i]=comp(val[i*2],val[i*2+1]);}}; /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N; int A[101010]; char B[101010]; int Q; SegTree<func, 1 << 17> st; //--------------------------------------------------------------------------------------------------- void update(int i) { if (B[i] == '*') st.update(i, func(A[i], 0, 0, 0)); else st.update(i, func(1, 0, A[i], 1)); } //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; cin >> A[0]; B[0] = '+'; rep(i, 0, N / 2) cin >> B[i + 1] >> A[i + 1]; rep(i, 0, N / 2 + 1) update(i); cin >> Q; rep(q, 0, Q) { string s; int x, y; cin >> s >> x >> y; if (s == "!") { if (x % 2 == 1) { x /= 2; y /= 2; swap(A[x], A[y]); update(x); update(y); } else { x /= 2; y /= 2; swap(B[x], B[y]); update(x); update(y); } } else { x /= 2; y /= 2; func f; if (B[x] == '*') { B[x] = '+'; update(x); f = st.get(x, y + 1); B[x] = '*'; update(x); } else f = st.get(x, y + 1); mint ans = f.b + f.c; printf("%d\n", ans.get()); } } }