結果
問題 | No.1834 1D Gravity |
ユーザー | blackyuki |
提出日時 | 2022-02-04 23:11:21 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,343 bytes |
コンパイル時間 | 2,526 ms |
コンパイル使用メモリ | 206,740 KB |
実行使用メモリ | 8,580 KB |
最終ジャッジ日時 | 2024-06-11 12:44:39 |
合計ジャッジ時間 | 4,203 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | AC | 55 ms
8,580 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | WA | - |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 54 ms
7,556 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 1 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define pb emplace_back #define lb(v,k) (lower_bound(all(v),(k))-v.begin()) #define ub(v,k) (upper_bound(all(v),(k))-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue<T> #define SPQ(T) priority_queue<T,vector<T>,greater<T>> #define dame(a) {out(a);return 0;} #define decimal cout<<fixed<<setprecision(15); #define all(a) a.begin(),a.end() #define rsort(a) {sort(all(a));reverse(all(a));} #define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());} #define popcnt __builtin_popcountll typedef long long ll; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> PP; typedef tuple<ll,ll,ll,ll> PPP; using vi=vector<ll>; using vvi=vector<vi>; using vvvi=vector<vvi>; using vvvvi=vector<vvvi>; using vp=vector<P>; using vvp=vector<vp>; using vb=vector<bool>; using vvb=vector<vb>; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;} template<class T> void out(T a){cout<<a<<'\n';} template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';} template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';} template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);} template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';} template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);} template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template<class T> void yesno(T b){if(b)out("yes");else out("no");} template<class T> void YesNo(T b){if(b)out("Yes");else out("No");} template<class T> void YESNO(T b){if(b)out("YES");else out("NO");} template<class T> void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} int main(){ ll n;cin>>n; vi v(n);rep(i,n)cin>>v[i]; vi id(n); rep(i,n){ if(i==0)id[i]=1; else if(i==n-1)id[i]=0; else if(v[i-1]<v[i+1])id[i]=1; else id[i]=0; } ll ans1=0,ans2=0; ll l=0; vp al; while(l<n){ ll r=l,a=0,b=0; while(id[r]==1){ a++;r++; } while(r<n&&id[r]==0){ b++;r++; } l=r; al.pb(a-1,b-1); } l=0; while(l<al.size()){ ll r=l+1; if(al[l].se==0){ while(r<al.size()&&al[r]==P(0,0))r++; if(r<al.size()&&al[r].fi==0)r++; } ll a=al[l].fi,b=al[r-1].se,c=r-l; // cout<<a<<' '<<b<<' '<<c<<endl; ll tmp=c-1; a-=tmp;b-=tmp; if(a<0)a=(a+INF+1)%2; if(b<0)b=(b+INF+1)%2; ll tmp2=min(a,b); a-=tmp2;b-=tmp2; if(a+b>1)ans2+=(a+b)/2; else ans2++; if(a+b>1)tmp+=2; else tmp++; chmax(ans1,tmp); l=r; } cout<<ans1<<' '<<ans2<<endl; }