結果
問題 | No.619 CardShuffle |
ユーザー | sak |
提出日時 | 2020-09-06 13:00:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 229 ms / 3,000 ms |
コード長 | 3,227 bytes |
コンパイル時間 | 2,328 ms |
コンパイル使用メモリ | 211,048 KB |
実行使用メモリ | 9,600 KB |
最終ジャッジ日時 | 2024-05-06 20:59:06 |
合計ジャッジ時間 | 7,220 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 170 ms
9,472 KB |
testcase_17 | AC | 159 ms
9,472 KB |
testcase_18 | AC | 164 ms
9,344 KB |
testcase_19 | AC | 158 ms
9,344 KB |
testcase_20 | AC | 165 ms
9,344 KB |
testcase_21 | AC | 107 ms
9,472 KB |
testcase_22 | AC | 104 ms
9,368 KB |
testcase_23 | AC | 107 ms
9,472 KB |
testcase_24 | AC | 108 ms
9,416 KB |
testcase_25 | AC | 104 ms
9,344 KB |
testcase_26 | AC | 229 ms
9,396 KB |
testcase_27 | AC | 223 ms
9,600 KB |
testcase_28 | AC | 223 ms
9,472 KB |
testcase_29 | AC | 221 ms
9,344 KB |
testcase_30 | AC | 213 ms
9,472 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 158 ms
9,216 KB |
testcase_33 | AC | 158 ms
9,408 KB |
testcase_34 | AC | 203 ms
9,468 KB |
testcase_35 | AC | 143 ms
5,504 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> p_ll; template<class T> void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; } #define repr(i,from,to) for (ll i=(ll)from; i<(ll)to; i++) #define all(vec) vec.begin(), vec.end() #define rep(i,N) repr(i,0,N) #define per(i,N) for (int i=(int)N-1; i>=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector<ll> fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); } ll lcm(ll a, ll b) { return a/gcd(a,b)*b; } // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- struct ope { ll x, y, z; ope operator+ (const ope &o) const { ope result; if (z==-1) result = {x*o.x%MOD, o.y, o.z}; else { if (o.z==-1) result = {x, y, z*o.x%MOD}; else result = {x, (y+z*o.x+o.y)%MOD, o.z}; } return result; }; }; struct query { char t; ll x, y; }; struct SegTree { int size; vector<ope> pos; SegTree(ll N) { size = 1; while(size<N) size<<=1; pos.resize(2*size,{1,-1,-1}); } ope operator[](const ll &x) const { return pos[x+size]; } void build() { per(i,size) operate(i); } void set(ll x, const ope v) { pos[x+size] = v; } void update(ll x, const ope v) { set(x,v); x+=size; while (x>>=1) operate(x); } ope query(ll a, ll b) { ope L = {1,-1,-1}, R = {1,0,0}; for (a+=size, b+=size; a<b; a>>=1, b>>=1) { if (a&1) { L = q(L,pos[a]); a++; } if (b&1) { b--; R = q(pos[b],R); } } return q(L,R); } void operate(ll i) { pos[i] = pos[i*2] + pos[i*2+1]; } ope q(ope x, ope y) { return x + y; } }; // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- int main() { ll N; cin >> N; ll C[N+1] = {}; C[0] = 1; rep(i,N) { if (i%2==0) cin >> C[i+1]; else { char tc; cin >> tc; C[i+1] = tc=='+'; } } // debug(C,C+(N+1)); SegTree st((N+1)/2); rep(i,(N+1)/2) { if (C[i*2]==0) st.update(i, (ope){C[i*2+1], -1, -1}); else st.update(i, (ope){1, 0, C[i*2+1]}); } ll Q; cin >> Q; query q[Q]; rep(i,Q) cin >> q[i].t >> q[i].x >> q[i].y; rep(i,Q) { ll xp = q[i].x/2, yp = q[i].y/2; if (q[i].t=='!') { swap(C[q[i].x], C[q[i].y]); if (C[xp*2]==0) st.update(xp, (ope){C[xp*2+1], -1, -1}); else st.update(xp, (ope){1, 0, C[xp*2+1]}); if (C[yp*2]==0) st.update(yp, (ope){C[yp*2+1], -1, -1}); else st.update(yp, (ope){1, 0, C[yp*2+1]}); } else { ope o = (ope){0,0,C[xp*2+1]} + st.query(xp+1,yp+1); ll result = o.y; cout << result << endl; // cout << o.x << " " << o.y << " " << o.z << endl; } } // cout << result << endl; return 0; }