結果
問題 | No.1524 Upward Mobility |
ユーザー | hotman78 |
提出日時 | 2021-05-28 21:27:20 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 200 ms / 6,000 ms |
コード長 | 5,570 bytes |
コンパイル時間 | 3,708 ms |
コンパイル使用メモリ | 238,384 KB |
実行使用メモリ | 34,688 KB |
最終ジャッジ日時 | 2024-11-15 01:21:11 |
合計ジャッジ時間 | 9,705 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 160 ms
19,328 KB |
testcase_01 | AC | 125 ms
16,640 KB |
testcase_02 | AC | 159 ms
17,280 KB |
testcase_03 | AC | 116 ms
23,660 KB |
testcase_04 | AC | 165 ms
17,260 KB |
testcase_05 | AC | 169 ms
16,128 KB |
testcase_06 | AC | 173 ms
16,256 KB |
testcase_07 | AC | 171 ms
15,744 KB |
testcase_08 | AC | 163 ms
16,384 KB |
testcase_09 | AC | 169 ms
16,768 KB |
testcase_10 | AC | 200 ms
18,944 KB |
testcase_11 | AC | 114 ms
34,688 KB |
testcase_12 | AC | 68 ms
28,532 KB |
testcase_13 | AC | 88 ms
28,544 KB |
testcase_14 | AC | 93 ms
22,928 KB |
testcase_15 | AC | 110 ms
23,340 KB |
testcase_16 | AC | 162 ms
16,128 KB |
testcase_17 | AC | 140 ms
13,952 KB |
testcase_18 | AC | 30 ms
6,816 KB |
testcase_19 | AC | 119 ms
13,824 KB |
testcase_20 | AC | 40 ms
7,040 KB |
testcase_21 | AC | 47 ms
8,064 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,816 KB |
testcase_24 | AC | 2 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,820 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 2 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,816 KB |
testcase_29 | AC | 79 ms
17,296 KB |
testcase_30 | AC | 78 ms
17,300 KB |
testcase_31 | AC | 109 ms
17,168 KB |
testcase_32 | AC | 158 ms
17,408 KB |
ソースコード
#line 2 "cpplib/util/template.hpp" /** * These codes are licensed under CC0. * http://creativecommons.org/publicdomain/zero/1.0/deed.ja */ #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx2") #include<bits/stdc++.h> using namespace std; struct __INIT__{__INIT__(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}}__INIT__; typedef long long lint; #define INF (1LL<<60) #define IINF (1<<30) #define EPS (1e-10) #define endl ('\n') typedef vector<lint> vec; typedef vector<vector<lint>> mat; typedef vector<vector<vector<lint>>> mat3; typedef vector<string> svec; typedef vector<vector<string>> smat; template<typename T>using V=vector<T>; template<typename T>using VV=V<V<T>>; template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;} template<typename T>inline void output2(T t){for(auto i:t)output(i);} template<typename T>inline void debug(T t){bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl;} template<typename T>inline void debug2(T t){for(auto i:t)debug(i);} #define loop(n) for(long long _=0;_<(long long)(n);++_) #define _overload4(_1,_2,_3,_4,name,...) name #define __rep(i,a) repi(i,0,a,1) #define _rep(i,a,b) repi(i,a,b,1) #define repi(i,a,b,c) for(long long i=(long long)(a);i<(long long)(b);i+=c) #define rep(...) _overload4(__VA_ARGS__,repi,_rep,__rep)(__VA_ARGS__) #define _overload3_rev(_1,_2,_3,name,...) name #define _rep_rev(i,a) repi_rev(i,0,a) #define repi_rev(i,a,b) for(long long i=(long long)(b)-1;i>=(long long)(a);--i) #define rrep(...) _overload3_rev(__VA_ARGS__,repi_rev,_rep_rev)(__VA_ARGS__) // #define rep(i,...) for(auto i:range(__VA_ARGS__)) // #define rrep(i,...) for(auto i:reversed(range(__VA_ARGS__))) // #define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i) // #define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i) // #define irep(i) for(lint i=0;;++i) // inline vector<long long> range(long long n){if(n<=0)return vector<long long>();vector<long long>v(n);iota(v.begin(),v.end(),0LL);return v;} // inline vector<long long> range(long long a,long long b){if(b<=a)return vector<long long>();vector<long long>v(b-a);iota(v.begin(),v.end(),a);return v;} // inline vector<long long> range(long long a,long long b,long long c){if((b-a+c-1)/c<=0)return vector<long long>();vector<long long>v((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;} // template<typename T>inline T reversed(T v){reverse(v.begin(),v.end());return v;} #define all(n) begin(n),end(n) template<typename T,typename E>bool chmin(T& s,const E& t){bool res=s>t;s=min<T>(s,t);return res;} template<typename T,typename E>bool chmax(T& s,const E& t){bool res=s<t;s=max<T>(s,t);return res;} const vector<lint> dx={1,0,-1,0,1,1,-1,-1}; const vector<lint> dy={0,1,0,-1,1,-1,1,-1}; #define SUM(v) accumulate(all(v),0LL) #if __cplusplus>=201703L template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));} #endif #define extrep(v,...) for(auto v:__MAKE_MAT__({__VA_ARGS__})) #define bit(n,a) ((n>>a)&1) vector<vector<long long>> __MAKE_MAT__(vector<long long> v){if(v.empty())return vector<vector<long long>>(1,vector<long long>());long long n=v.back();v.pop_back();vector<vector<long long>> ret;vector<vector<long long>> tmp=__MAKE_MAT__(v);for(auto e:tmp)for(long long i=0;i<n;++i){ret.push_back(e);ret.back().push_back(i);}return ret;} using graph=vector<vector<int>>; template<typename T>using graph_w=vector<vector<pair<int,T>>>; template<typename T,typename E>ostream& operator<<(ostream& out,pair<T,E>v){out<<"("<<v.first<<","<<v.second<<")";return out;} #if __cplusplus>=201703L constexpr inline long long powll(long long a,long long b){long long res=1;while(b--)res*=a;return res;} #endif #define BEGIN_STACK_EXTEND(size) void * stack_extend_memory_ = malloc(size);void * stack_extend_origin_memory_;char * stack_extend_dummy_memory_ = (char*)alloca((1+(int)(((long long)stack_extend_memory_)&127))*16);*stack_extend_dummy_memory_ = 0;asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp":"=b"(stack_extend_origin_memory_):"a"((char*)stack_extend_memory_+(size)-1024)); #define END_STACK_EXTEND asm volatile("mov %%rax, %%rsp"::"a"(stack_extend_origin_memory_));free(stack_extend_memory_); #line 2 "code.cpp" int main(){ lint n; cin>>n; mat g(n); rep(i,n-1){ lint x; cin>>x; x--; g[i+1].emplace_back(x); g[x].emplace_back(i+1); } vec a(n),b(n); rep(i,n)cin>>a[i]; rep(i,n)cin>>b[i]; auto dfs=[&](auto dfs,lint now,lint p)->map<lint,lint,greater<lint>>{ auto f=[&](auto& s,auto& t)->void{ if(s.size()<t.size()){ s.swap(t); } for(auto [p,q]:t){ s[p]+=q; } }; map<lint,lint,greater<lint>> res; for(auto e:g[now]){ if(e==p)continue; auto d=move(dfs(dfs,e,now)); f(res,d); } res[a[now]]=b[now]; auto itr=next(res.lower_bound(a[now])); lint rest=b[now]; while(itr!=res.end()){ if(rest>=itr->second){ rest-=itr->second; }else{ itr->second-=rest; break; } itr=res.erase(itr); } return res; }; auto res=dfs(dfs,0,-1); lint ans=0; for(auto [p,q]:res){ ans+=q; } cout<<ans<<endl; }