Submission #383744

#TimeUsernameProblemLanguageResultExecution timeMemory
383744Return_0Fortune Telling 2 (JOI14_fortune_telling2)C++17
100 / 100
942 ms87244 KiB
#pragma GCC optimize("Ofast,unroll-loops") // #pragma comment(linker, "/stack:200000000") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef int ll; typedef long long lol; typedef long double ld; typedef pair <ll, ll> pll; #ifdef SINA #define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); } #define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush(); #else #define dbg(...) 0 #define dbg2(x, j, n) 0 #endif #define SZ(x) ((ll)((x).size())) #define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout); #define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i]; #define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n'); #define kill(x) return cout<< (x) << endl, 0 #define cl const ll #define fr first #define sc second #define lc (v << 1) #define rc (lc | 1) #define mid ((l + r) >> 1) #define All(x) (x).begin(), (x).end() cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353; template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';} template <class A> ostream& operator << (ostream& out, const vector<A> &a) { out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; } template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>; cl N = 2e5 + 7, NNN = 6e5 + 7; vector <ll> cmprs; inline ll indx (cl &x) { return upper_bound(All(cmprs), x) - cmprs.begin(); } ll a [N], b [N], c [N], fen [NNN], n, q; vector <pll> QR [NNN]; lol ans; struct segtree1 { ll l, r, mx; segtree1 *lt, *rt; inline segtree1 (cl &L = 1, cl &R = N - 2) : l(L), r(R), mx(0) {} void build () { if (l == r) return; lt = new segtree1 (l, mid); rt = new segtree1 (mid + 1, r); lt->build(); rt->build(); mx = max(lt->mx, rt->mx); } void modify (cl &pos, cl &x) { if (l == r) { mx = x; return; } if (pos <= mid) lt->modify(pos, x); else rt->modify(pos, x); mx = max(lt->mx, rt->mx); } ll ask (cl &ql, cl &qr) { if (r < ql || qr < l) return 0; if (ql <= l && r <= qr) return mx; return max(lt->ask(ql, qr), rt->ask(ql, qr)); } } seg; inline void add (ll i) { for (; i; i -= i & -i) ++fen[i]; } inline ll ask (ll i) { ll t = 0; for (i = indx(i); i < NNN; i += i & -i) t += fen[i]; return t; } int main () { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin>> n >> q; for (ll i = 1; i <= n; i++) cin>> a[i] >> b[i], cmprs.push_back(a[i]), cmprs.push_back(b[i]); for (ll i = 1; i <= q; i++) cin>> c[i], cmprs.push_back(c[i]); sort(All(cmprs)); cmprs.resize(unique(All(cmprs)) - cmprs.begin()); seg.r = SZ(cmprs); seg.build(); for (ll i = 1; i <= q; i++) seg.modify(c[i] = indx(c[i]), i); for (ll i = 1; i <= n; i++) QR[seg.ask(indx(min(a[i], b[i])), indx(max(a[i], b[i])) - 1)].push_back({max(a[i], b[i]), i}); for (ll i = q; i; i--) { for (auto &x : QR[i]) { if (ask(x.fr) & 1) ans += min(a[x.sc], b[x.sc]); else ans += max(a[x.sc], b[x.sc]); } add(c[i]); } for (auto &x : QR[0]) ans += (ask(x.fr) & 1 ? b[x.sc] : a[x.sc]); cout<< ans << endl; cerr<< "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; } /* */
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...