結果
問題 | No.1597 Matrix Sort |
ユーザー |
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提出日時 | 2021-07-10 02:02:29 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 281 ms / 1,500 ms |
コード長 | 1,677 bytes |
コンパイル時間 | 4,425 ms |
コンパイル使用メモリ | 194,836 KB |
最終ジャッジ日時 | 2025-01-22 23:31:19 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 27 |
コンパイルメッセージ
In file included from /usr/include/c++/13/istream:41, from /usr/include/c++/13/sstream:40, from /usr/include/c++/13/complex:45, from /usr/include/c++/13/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127, from main.cpp:1: In member function ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]’, inlined from ‘int main()’ at main.cpp:69:11: /usr/include/c++/13/ostream:204:25: warning: ‘res’ may be used uninitialized [-Wmaybe-uninitialized] 204 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function ‘int main()’: main.cpp:62:20: note: ‘res’ was declared here 62 | ll lw=0,hi=P-1,res; | ^~~
ソースコード
#include<bits/stdc++.h> using namespace std; #define ALL(x) begin(x),end(x) #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl; #define mod 1000000007 using ll=long long; const int INF=1000000000; const ll LINF=1001002003004005006ll; int dx[]={1,0,-1,0},dy[]={0,1,0,-1}; // ll gcd(ll a,ll b){return b?gcd(b,a%b):a;} template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;} struct IOSetup{ IOSetup(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(12); } } iosetup; template<typename T> ostream &operator<<(ostream &os,const vector<T>&v){ for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" "); return os; } template<typename T> istream &operator>>(istream &is,vector<T>&v){ for(T &x:v)is>>x; return is; } signed main(){ int N,P;ll K;cin>>N>>K>>P; vector<int> A(N),B(P,0); cin>>A; rep(i,N){ int x;cin>>x; B[x]++; } vector<int> S(P+1,0); rep(i,P) S[i+1]=S[i]+B[i]; auto f=[&](ll m){ ll ret=0; for(auto &x:A){ { ll up=m-x; if(up>=0) ret+=S[up+1]; } { int lw=P-x,hi=P+m-x; chmin(hi,P-1); ret+=S[hi+1]-S[lw]; } } return ret; }; ll lw=0,hi=P-1,res; while(lw<=hi){ ll mid=(lw+hi)/2; if(f(mid)>=K) res=mid,hi=mid-1; else lw=mid+1; } cout<<res<<endl; return 0; }