結果
| 問題 | No.1597 Matrix Sort |
| コンテスト | |
| ユーザー |
mugen_1337
|
| 提出日時 | 2021-07-10 02:02:29 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 281 ms / 1,500 ms |
| コード長 | 1,677 bytes |
| 記録 | |
| 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 |
(要ログイン)
| 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;
}
mugen_1337