結果
問題 | No.1079 まお |
ユーザー | hotman78 |
提出日時 | 2020-06-12 23:17:00 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,172 bytes |
コンパイル時間 | 6,596 ms |
コンパイル使用メモリ | 416,160 KB |
実行使用メモリ | 251,008 KB |
最終ジャッジ日時 | 2024-06-24 05:58:09 |
合計ジャッジ時間 | 12,729 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 4 ms
6,944 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 147 ms
88,576 KB |
testcase_13 | AC | 150 ms
105,728 KB |
testcase_14 | AC | 205 ms
122,624 KB |
testcase_15 | AC | 216 ms
139,776 KB |
testcase_16 | AC | 225 ms
156,800 KB |
testcase_17 | AC | 255 ms
156,288 KB |
testcase_18 | WA | - |
testcase_19 | AC | 281 ms
156,032 KB |
testcase_20 | AC | 261 ms
156,288 KB |
testcase_21 | WA | - |
testcase_22 | AC | 366 ms
251,008 KB |
testcase_23 | AC | 367 ms
250,752 KB |
testcase_24 | AC | 385 ms
251,008 KB |
testcase_25 | AC | 390 ms
250,880 KB |
testcase_26 | AC | 396 ms
250,880 KB |
testcase_27 | AC | 176 ms
147,840 KB |
testcase_28 | AC | 235 ms
174,720 KB |
testcase_29 | WA | - |
testcase_30 | AC | 222 ms
156,288 KB |
testcase_31 | AC | 215 ms
175,744 KB |
コンパイルメッセージ
main.cpp:54:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 54 | bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} | ^~~~ main.cpp:54:26: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 54 | bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} | ^~~~ main.cpp:55:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 55 | bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;} | ^~~~ main.cpp:55:26: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 55 | bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;} | ^~~~
ソースコード
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC push_options #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #include<bits/stdc++.h> #include <xmmintrin.h> #include <immintrin.h> using namespace::std; __attribute__((constructor))void init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);} #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/priority_queue.hpp> #include<ext/pb_ds/tag_and_trait.hpp> // #include <boost/multiprecision/cpp_dec_float.hpp> // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; // typedef mp::number<mp::cpp_dec_float<0>> cdouble; // typedef mp::cpp_int cint; template<typename T>using pbds=__gnu_pbds::tree<T,__gnu_pbds::null_type,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>; template<typename T>using pbds_map=__gnu_pbds::tree<T,T,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>; template<typename T,typename E>using hash_map=__gnu_pbds::gp_hash_table<T,E>; template<typename T>using pqueue =__gnu_pbds::priority_queue<T, greater<T>,__gnu_pbds::rc_binomial_heap_tag>; typedef long long lint; #define INF (1LL<<60) #define IINF (1<<30) #define LINF (9223372036854775807LL) #define EPS (1e-10) #define endl ('\n') //#define MOD 1000000007LL #define MOD 998244353LL 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>inline void numout(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i<INF/2?i:"INF";f=1;}cout<<endl;} template<typename T>inline void numout2(T t){for(auto i:t)numout(i);} 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 _output(T t){bool f=0;for(lint i=0;i<t.size();i++){cout<<f?"":" "<<t[i];f=1;}cout<<endl;} template<typename T>inline void _output2(T t){for(lint i=0;i<t.size();i++)output(t[i]);} template<typename T>inline void debug(T t){bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl;} #define rep(i,n) for(lint i=0;i<lint(n);++i) #define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i) #define rrep(i,n) for(lint i=lint(n)-1;i>=0;--i) #define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i) #define irep(i) for(lint i=0;;++i) #define all(n) begin(n),end(n) #define dist(a,b,c,d) sqrt(pow(a-c,2)+pow(b-d,2)) inline lint gcd(lint A,lint B){return B?gcd(B,A%B):A;} inline lint lcm(lint A,lint B){return A/gcd(A,B)*B;} // inline cint cgcd(cint A,cint B){return B?cgcd(B,A%B):A;} // inline cint clcm(cint A,cint B){return A/cgcd(A,B)*B;} bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} bool chmax(auto& s,const auto& t){bool res=s<t;s=max(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) auto call=[](auto f,auto... args){return f(f,args...);}; template<typename T> class pvector{ struct node; using np=node*; struct node{ T data; np ch[16]; node(){ for(int i=0;i<16;i++)ch[i]=nullptr; } }; np root=nullptr; np set(lint idx,T val,np t){ np res=t?new node(*t):new node(); if(idx==0)res->data=val; else res->ch[idx&15]=set(idx>>4,val,res->ch[idx&15]); return res; } T get(lint idx,np t){ if(!t)return T(); return idx?get(idx>>4,t->ch[idx&15]):t->data; } public: pvector(){} pvector(np t):root(t){} T get(lint idx){ return get(idx,root); } pvector set(lint idx,T val){ return pvector(set(idx,val,root)); } }; int main(){ lint n,k; cin>>n>>k; vec a(n); rep(i,n)cin>>a[i]; vec l(n),r(n); stack<lint>stk; rrep(i,n){ while(!stk.empty()&&a[stk.top()]>=a[i]){ l[stk.top()]=i+1; stk.pop(); } stk.emplace(i); } while(!stk.empty()){l[stk.top()]=0;stk.pop();} rep(i,n){ while(!stk.empty()&&a[stk.top()]>=a[i]){ r[stk.top()]=i-1; stk.pop(); } stk.emplace(i); } while(!stk.empty()){r[stk.top()]=n-1;stk.pop();} vector<pvector<lint>>v(n+1); vector<pvector<lint>>v2(n+1); rep(i,n){ v[i+1]=v[i]; v[i+1]=v[i+1].set(a[i],v[i+1].get(a[i])+1); v2[i+1]=v2[i]; v2[i+1]=v2[i+1].set(a[i],v2[i+1].get(a[i])+i); } lint ans=0; rep(i,n){ if(a[i]==k)ans++; if(i-l[i]<r[i]-i){ repi(j,l[i],i+1){ if(k-a[j]<0)continue; ans+=(v2[r[i]+1].get(k-a[j])-v2[i].get(k-a[j]))-(v[r[i]+1].get(k-a[j])-v[i].get(k-a[j]))*(j-1); } }else{ repi(j,i,r[i]+1){ if(k-a[j]<0)continue; ans+=(v[i+1].get(k-a[j])-v[l[i]].get(k-a[j]))*(j+1)-(v2[i+1].get(k-a[j])-v2[l[i]].get(k-a[j])); } } } cout<<ans<<endl; }