結果
| 問題 |
No.1668 Grayscale
|
| コンテスト | |
| ユーザー |
kiyoshi0205
|
| 提出日時 | 2021-09-03 22:40:09 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,578 bytes |
| コンパイル時間 | 2,774 ms |
| コンパイル使用メモリ | 188,208 KB |
| 実行使用メモリ | 11,152 KB |
| 最終ジャッジ日時 | 2024-12-15 15:31:16 |
| 合計ジャッジ時間 | 4,649 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 5 WA * 17 |
ソースコード
#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
// #include<ext/pb_ds/assoc_container.hpp>
// #include<ext/pb_ds/tree_policy.hpp>
// #include<ext/pb_ds/tag_and_trait.hpp>
// using namespace __gnu_pbds;
// #include<boost/multiprecision/cpp_int.hpp>
// namespace multiprecisioninteger = boost::multiprecision;
// using cint=multiprecisioninteger::cpp_int;
using namespace std;
using ll=long long;
using datas=pair<ll,ll>;
using ddatas=pair<long double,long double>;
using tdata=pair<ll,datas>;
using vec=vector<ll>;
using mat=vector<vec>;
using pvec=vector<datas>;
using pmat=vector<pvec>;
// using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>;
#define For(i,a,b) for(i=a;i<(ll)b;++i)
#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)
#define rep(i,N) For(i,0,N)
#define rep1(i,N) For(i,1,N)
#define brep(i,N) bFor(i,N,0)
#define brep1(i,N) bFor(i,N,1)
#define all(v) (v).begin(),(v).end()
#define allr(v) (v).rbegin(),(v).rend()
#define vsort(v) sort(all(v))
#define vrsort(v) sort(allr(v))
#define uniq(v) vsort(v),(v).erase(unique(all(v)),(v).end())
#define endl "\n"
#define popcount __builtin_popcountll
#define eb emplace_back
#define print(x) cout<<x<<endl
#define printyes print("Yes")
#define printno print("No")
#define printYES print("YES")
#define printNO print("NO")
#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0)
#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)
constexpr ll mod=1000000007;
// constexpr ll mod=998244353;
constexpr ll inf=1LL<<60;
constexpr long double eps=1e-9;
const long double PI=acosl(-1);
template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";}
template<class T> ostream& operator<<(ostream& os,const vector<T>& v){
os<<"{";bool f=false;
for(auto& x:v){if(f)os<<",";os<<x;f=true;}
os<<"}";
return os;
}
template<class T> ostream& operator<<(ostream& os,const set<T>& v){
os<<"{";bool f=false;
for(auto& x:v){if(f)os<<",";os<<x;f=true;}
os<<"}";
return os;
}
template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){
os<<"{";bool f=false;
for(auto& x:v){if(f)os<<",";os<<x;f=true;}
os<<"}";
return os;
}
template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){
os<<"{";bool f=false;
for(auto& x:v){if(f)os<<",";os<<x;f=true;}
os<<"}";
return os;
}
template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;}
template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;}
#ifdef DEBUG
void debugg(){cout<<endl;}
template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);}
#define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__)
#else
#define debug(...) (void(0))
#endif
inline void startupcpp(void) noexcept{
cin.tie(0);
ios::sync_with_stdio(false);
cout<<fixed<<setprecision(15);
}
template<typename T> struct segtree{
private:
int N=1;
T E;
using func=function<T(T,T)>;
func f,g;
vector<T> tree;
public:
segtree(){}
segtree(vector<T>& v,T e,func Merge,func Act):E(e),f(Merge),g(Act){
int i,K=v.size();
while(N<K)N<<=1;
tree.resize(N<<1);
For(i,N,N+K)tree[i]=v[i-N];
For(i,N+K,N<<1)tree[i]=E;
brep1(i,N)tree[i]=f(tree[i<<1],tree[(i<<1)|1]);
}
segtree(vector<T>& v,T e,func Merge){*this=segtree(v,e,Merge,Merge);};
segtree(int N,T e,func F){
vector<T> res(N,e);
*this=segtree(res,e,F);
}
void action(int i,T a){
if((i<0)|(i>=N))return;
i|=N;
tree[i]=g(tree[i],a);
while(i>1){
i>>=1;
tree[i]=f(tree[i<<1],tree[(i<<1)|1]);
}
}
void set(int i,T a){
if((i<0)|(i>=N))return;
tree[i|=N]=a;
while(i>1){
i>>=1;
tree[i]=f(tree[i<<1],tree[(i<<1)|1]);
}
}
T prod(int a,int b){
if((a>=b)|(a<0)|(b<=0)|(a>=N)|(b>N))return E;
T l(E),r(E);
for(a|=N,b+=N;a<b;a>>=1,b>>=1){
if(a&1)l=f(l,tree[a++]);
if(b&1)r=f(tree[--b],r);
}
return f(l,r);
}
};
int H,W,N,fg[1000][1000];
int main(){
startupcpp();
ll i,j;
cin>>H>>W>>N;
vector<int> g(N,0);
rep(i,H)rep(j,W){
int x;
cin>>x;
fg[i][j]=--x;
if(i){
int y=fg[i-1][j];
if(x>y)chmax(g[x],y);
if(x<y)chmax(g[y],x);
}
if(j){
int y=fg[i][j-1];
if(x>y)chmax(g[x],y);
if(x<y)chmax(g[y],x);
}
}
debug(g);
rep(i,N)chmax(g[i+1],g[i]);
uniq(g);
print(g.size());
}
kiyoshi0205