結果
問題 | No.619 CardShuffle |
ユーザー | sak |
提出日時 | 2020-09-06 12:51:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,252 bytes |
コンパイル時間 | 2,567 ms |
コンパイル使用メモリ | 212,040 KB |
実行使用メモリ | 9,600 KB |
最終ジャッジ日時 | 2024-05-06 20:58:02 |
合計ジャッジ時間 | 8,194 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 |
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testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
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.z%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]}); } // ope o = st.query(0,1); 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; }