結果

問題 No.1597 Matrix Sort
ユーザー mugen_1337mugen_1337
提出日時 2021-07-10 02:02:29
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 172 ms / 1,500 ms
コード長 1,677 bytes
コンパイル時間 2,105 ms
コンパイル使用メモリ 203,000 KB
実行使用メモリ 81,792 KB
最終ジャッジ日時 2024-07-01 21:01:46
合計ジャッジ時間 6,132 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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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
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 161 ms
81,792 KB
testcase_04 AC 169 ms
81,792 KB
testcase_05 AC 172 ms
81,664 KB
testcase_06 AC 169 ms
81,664 KB
testcase_07 AC 164 ms
81,608 KB
testcase_08 AC 141 ms
81,660 KB
testcase_09 AC 143 ms
81,764 KB
testcase_10 AC 98 ms
81,664 KB
testcase_11 AC 100 ms
81,576 KB
testcase_12 AC 22 ms
5,376 KB
testcase_13 AC 44 ms
11,392 KB
testcase_14 AC 167 ms
81,740 KB
testcase_15 AC 26 ms
5,376 KB
testcase_16 AC 40 ms
11,264 KB
testcase_17 AC 114 ms
81,664 KB
testcase_18 AC 168 ms
81,664 KB
testcase_19 AC 149 ms
81,628 KB
testcase_20 AC 114 ms
81,664 KB
testcase_21 AC 108 ms
81,664 KB
testcase_22 AC 108 ms
81,644 KB
testcase_23 AC 99 ms
81,708 KB
testcase_24 AC 15 ms
5,376 KB
testcase_25 AC 14 ms
5,376 KB
testcase_26 AC 2 ms
5,376 KB
testcase_27 AC 2 ms
5,376 KB
testcase_28 AC 2 ms
5,376 KB
testcase_29 AC 75 ms
81,280 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 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:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:202:25: warning: 'res' may be used uninitialized [-Wmaybe-uninitialized]
  202 |       { 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

diff # 

#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;
}
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