結果

問題 No.2157 崖
ユーザー a16784542a16784542
提出日時 2022-12-09 22:23:12
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 2,978 ms / 6,000 ms
コード長 4,003 bytes
コンパイル時間 4,789 ms
コンパイル使用メモリ 259,236 KB
実行使用メモリ 35,712 KB
最終ジャッジ日時 2024-04-22 22:33:37
合計ジャッジ時間 30,950 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
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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 3 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 3 ms
5,376 KB
testcase_05 AC 3 ms
5,376 KB
testcase_06 AC 2 ms
5,376 KB
testcase_07 AC 2 ms
5,376 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 1 ms
5,376 KB
testcase_13 AC 1,770 ms
24,108 KB
testcase_14 AC 2,496 ms
32,932 KB
testcase_15 AC 2,471 ms
23,680 KB
testcase_16 AC 2,465 ms
24,084 KB
testcase_17 AC 2,121 ms
28,416 KB
testcase_18 AC 2,126 ms
27,684 KB
testcase_19 AC 2,360 ms
29,208 KB
testcase_20 AC 2,978 ms
35,712 KB
testcase_21 AC 2,931 ms
35,400 KB
testcase_22 AC 2,077 ms
26,688 KB
testcase_23 AC 2 ms
5,376 KB
testcase_24 AC 5 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#if !__INCLUDE_LEVEL__

#include __FILE__

struct Solver {
void solve() {
  int n,m;cin>>n>>m;
  V<V<int>> d(n,V<int>(m));
  rep(i,n){
    rep(j,m)cin>>d[i][j];
    sort(all(d[i]));
  }
  
  int l=-1,r=INF;
  while(r-l>1){
    int mid=(r+l)/2;
    V<V<int>> col(n,V<int>(m+1));
    rep(i,m)col[0][i]=1;
    rep(i,1,n){
      rep(j,m){
        if(col[i-1][j]==0)continue;
        int left=lower_bound(all(d[i]),d[i-1][j])-d[i].begin();
        int righ=upper_bound(all(d[i]),d[i-1][j]+mid)-d[i].begin();
        col[i][left]++;
        col[i][righ]--;
      }
      rep(j,m)col[i][j+1]+=col[i][j];
      rep(j,m)chmin(col[i][j],1ll);
    }
    bool fl=0;
    rep(i,m){
      if(col[n-1][i])fl=1;
    }

    if(fl){
      r=mid;
    }
    else{
      l=mid;
    }
  }
  if(r==INF)r=-1;
  cout<<r<<endl;
}};

signed main() {
  int ts = 1;
  // scanf("%lld",&ts);
  rep(ti,ts) {
    Solver solver;
    solver.solve();
  }
  return 0;
}

#else

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;

using namespace std;

#define int ll

using ll=long long;
using ld = long double;
using uint = unsigned;
using ull = unsigned long long;
using P=pair<int,int>;
using TP=tuple<int,int,int>;
template <class T> using V = vector<T>;
template <class T> using max_heap = priority_queue<T>;
template <class T> using min_heap = priority_queue<T, vector<T>, greater<>>;

#define FOR1(a) for (ll _ = 0; _ < ll(a); ++_)
#define FOR2(i, a) for (ll i = 0; i < ll(a); ++i)
#define FOR3(i, a, b) for (ll i = a; i < ll(b); ++i)
#define FOR4(i, a, b, c) for (ll i = a; i < ll(b); i += (c))
#define FOR1_R(a) for (ll i = (a)-1; i >= ll(0); --i)
#define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i)
#define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i)
#define FOR4_R(i, a, b, c) for (ll i = (b)-1; i >= ll(a); i -= (c))
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__)
#define rrep(...) overload4(__VA_ARGS__, FOR4_R, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__)
#define fore(i,a) for(auto &i:a)

#define all(x) x.begin(),x.end() 
#define sz(x) ((int)(x).size())
#define bp(x) (__builtin_popcountll((long long)(x)))
#define elif else if
#define mpa make_pair
#define bit(n) (1LL<<(n))
#define LB(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define UB(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end())

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,sz(v))i>>v[j];return i;}
template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();}
template<typename T>ostream& operator<<(ostream&o,const vector<T>&v){if(sz(v))o<<join(v," ");return o;}
template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;}
template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;}
template<typename T1,typename T2>bool mins(T1& x,const T2&y){if(x>y){x=y;return true;}else return false;}
template<typename T1,typename T2>bool maxs(T1& x,const T2&y){if(x<y){x=y;return true;}else return false;}
template<typename Tx, typename Ty>Tx dup(Tx x, Ty y){return (x+y-1)/y;}
template<typename T>ll suma(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
template<typename T>ll suma(const V<V<T>>&a){ll res(0);for(auto&&x:a)res+=suma(x);return res;}
template<typename T>void uni(T& a){sort(rng(a));a.erase(unique(rng(a)),a.end());}
template<typename T>void prepend(vector<T>&a,const T&x){a.insert(a.begin(),x);}

const int INF = 1001001001;
const ll INFL = 3e18;
const int MAX = 2e6+5;


#endif
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