結果
| 問題 |
No.3368 トッピング
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-10-25 17:14:06 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 4,479 bytes |
| コンパイル時間 | 1,651 ms |
| コンパイル使用メモリ | 176,780 KB |
| 実行使用メモリ | 9,728 KB |
| 最終ジャッジ日時 | 2025-11-17 20:32:23 |
| 合計ジャッジ時間 | 15,929 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | AC * 1 WA * 11 TLE * 2 |
コンパイルメッセージ
main.cpp: In function ‘void o(const T&, const Ts& ...)’:
main.cpp:62:36: warning: fold-expressions only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
62 | (cout << ... << (cout << ' ', b));
| ^
main.cpp: In function ‘void in(T& ...)’:
main.cpp:78:20: warning: fold-expressions only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
78 | (cin >> ... >> a);
| ^
ソースコード
/*______
|| |
||ACはこちらへ|
|| |
|| ̄ ̄ ̄ ̄ ̄ ̄
∧_∧||
(`・ω・||
( つ||0
uーu*/
#include <bits/stdc++.h>
using namespace std;
//output and debug
template <class T> using V = vector<T>;
template <class T, class U>
ostream& operator<<(ostream& os, const pair<T, U>& p) {
return os << "P(" << p.first << ", " << p.second << ")";
}
template <class T> ostream& operator<<(ostream& os,const V<T>& v) {
os << "[";
bool f = false;
for (auto d : v) {
if (f) os << ", ";
f = true;
os << d;
}
return os << "]";
}
template <class T> ostream& operator<<(ostream& os,const set<T>& s) {
os << "{";
bool f = false;
for (auto d : s) {
if (f) os << ", ";
f = true;
os << d;
}
return os << "}";
}
template <class T> ostream& operator<<(ostream& os, const multiset<T>& s) {
os << "{";
bool f = false;
for (auto d : s) {
if (f) os << ", ";
f = true;
os << d;
}
return os << "}";
}
template <class T, class U>
ostream& operator<<(ostream& os, const map<T, U>& s) {
os << "{";
bool f = false;
for (auto p : s) {
if (f) os << ", ";
f = true;
os << p.first << ": " << p.second;
}
return os << "}";
}
template<class T, class... Ts>
void o(const T& a, const Ts&... b){
cout << a;
(cout << ... << (cout << ' ', b));
cout << '\n';
}
#ifdef LOCAL
#define dbg(...) \
do { \
cerr << __LINE__ << " : " << #__VA_ARGS__ << " = "; \
o(__VA_ARGS__); \
cerr << endl; \
} while (false);
#else
#define dbg(...)
#endif
// input
template<class... T>
void in(T&... a){
(cin >> ... >> a);
}
template<class T> void in(vector<T>& a){ for(auto&& i : a) in(i); }
template<class T, class L> void in(pair<T, L>& p){ in(p.first); in(p.second); }
template<class T> void in(T& a){ cin >> a; }
#define rep1(n) for(ll i = 0; i < n; ++i)
#define rep2(i, n) for(ll i = 0; i < n; ++i)
#define rep3(i, j, n) for(ll i = j; i < n; ++i)
#define overload3(a, b, c, e, ...) e
#define rep(...) overload3(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__)
#define rrep(i,n) for(ll i = n-1;i>=0;--i)
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
using ll = long long ;
using ld = long double;
using pa = pair<ll,ll>;
using t2 = tuple<ll,ll>;
using tu = tuple<ll,ll,ll>;
using vi = vector<ll>;
using vs = vector<string>;
using vp = vector<pa>;
using vvi = vector<vi>;
using vvp = vector<vp>;
using vvvi = vector<vvi>;
using v4 = vector<vvvi>;
using vt = vector<tu>;
const ll INF = (1ll << 29);
const ll inf = INF*INF;
const int dh[4]={1,-1,0,0};
const int dw[4]={0,0,1,-1};
const int dy[4]={1,-1,0,0};
const int dx[4]={0,0,1,-1};
const string mv = "DURL";
void Yes(bool i = true){ return o(i?"Yes":"No"); }
//reversed priority_queue
template<class T>
class prique :public std::priority_queue<T, std::vector<T>, std::greater<T>> {};
const ll mod = 998244353;
//const ll mod = 1000000007;
int main(){
ll n,m,c,x;
cin >> n >> m >> c >> x;
vector<vector<ll>> a(n,vector<ll>(m));
rep(i,n) rep(j,m) cin >> a[i][j];
auto up2 = [&](vector<pair<ll,ll>> &vp,ll d,ll id){
vp.push_back(make_pair(d,id));
sort(all(vp));
if(vp.size()>=2) vp.pop_back();
return;
};
auto chmin = [&](ll &a, ll b){
a = min(a,b);
return;
};
auto sol = [&](ll mi){
bool flag = false;
rep(st,m){
if(a[0][st]<mi) continue;
vector<vector<ll>> dp(n+1,vector<ll>(m,x+1));
dp[0][st] = 0;
rep(i,n-1){
vector<pair<ll,ll>> vp;
//o(vp);
rep(j,m) if(dp[i][j]<= x) up2(vp,dp[i][j],j);
//o(vp);
rep(j,m)for(auto k:vp){
//o(k);
if(j == k.second && min(a[i+1][j],a[i][j])>=mi+c) chmin(dp[i+1][j],dp[i][j]+1);
else if(j != k.second && a[i+1][j]>=mi) chmin(dp[i+1][j],dp[i][k.second]);
}
}
if(min(a[0][st],a[n-1][st])<mi+c) dp[n-1][st] = x+1;
else ++dp[n-1][st];
rep(i,m) flag |= (dp[n-1][i]<=x);
}
return flag;
};
auto tansaku = [&](){
ll ok = -1,ng = inf;
while(abs(ok-ng) > 1){
ll mid = (ok + ng)/2;
// ll mid = l + (r-l)/2;
if(sol(mid)) ok = mid;
else ng = mid;
}
return ok;
};
cout << tansaku() << endl;
}