結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | east1016 |
提出日時 | 2021-02-12 22:50:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,758 bytes |
コンパイル時間 | 2,454 ms |
コンパイル使用メモリ | 207,884 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-19 23:55:06 |
合計ジャッジ時間 | 3,984 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 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 | 24 ms
5,376 KB |
testcase_12 | AC | 20 ms
5,376 KB |
testcase_13 | AC | 23 ms
5,376 KB |
testcase_14 | AC | 16 ms
5,376 KB |
testcase_15 | AC | 17 ms
5,376 KB |
testcase_16 | AC | 21 ms
5,376 KB |
testcase_17 | AC | 19 ms
5,376 KB |
testcase_18 | AC | 24 ms
5,376 KB |
testcase_19 | AC | 17 ms
5,376 KB |
testcase_20 | AC | 24 ms
5,376 KB |
testcase_21 | AC | 17 ms
5,376 KB |
testcase_22 | AC | 16 ms
5,376 KB |
testcase_23 | AC | 19 ms
5,376 KB |
testcase_24 | AC | 18 ms
5,376 KB |
testcase_25 | AC | 18 ms
5,376 KB |
testcase_26 | AC | 19 ms
5,376 KB |
testcase_27 | AC | 14 ms
5,376 KB |
testcase_28 | AC | 14 ms
5,376 KB |
testcase_29 | AC | 18 ms
5,376 KB |
testcase_30 | AC | 16 ms
5,376 KB |
testcase_31 | AC | 27 ms
5,376 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 25 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 27 ms
5,376 KB |
ソースコード
//#include <atcoder/all> //using namespace atcoder; //using mint = modint; #include <bits/stdc++.h> #define int long long #define sint signed #define endl "\n" // fflush(stdout); #define ALL(v) (v).begin(),(v).end() #define Vi vector<int> #define VVi vector<Vi> #define VVVi vector<VVi> #define Vm vector<mint> #define VVm vector<Vm> #define Vs vector<string> #define Vd vector<double> #define Vc vector<char> #define Pii pair<int,int> #define Pdd pair<double,double> #define VPii vector<Pii> #define Tiii tuple<int,int,int> #define VTiii vector<Tiii> #define PQi priority_queue<int> #define PQir priority_queue<int,vector<int>,greater<int>> #define pb push_back #define mp make_pair #define mt make_tuple #define itos to_string #define stoi stoll #define FI first #define SE second #define cYES cout<<"YES"<<endl #define cNO cout<<"NO"<<endl #define cYes cout<<"Yes"<<endl #define cNo cout<<"No"<<endl #define cyes cout<<"yes"<<endl #define cno cout<<"no"<<endl #define sortr(v) sort(v,greater<>()) #define rep(i,a,b) for(int i=a;i<b;i++) #define repeq(i,a,b) for(int i=a;i<=b;i++) #define repreq(i,a,b) for(int i=a;i>=b;i--) #define dem(a,b) ((a+b-1)/(b)) #define INF 3000000000000000000 // 3.0*10^18 #define MAX LLONG_MAX #define PI acos(-1.0L) using namespace std; /* debug */ template <typename T> ostream& operator<<(ostream& os,const vector<T> &V){int N=V.size(); if(N==0){os<<'.';return os;}rep(i,0,N-1){os<<V[i]<<' ';}os<<V[N-1];return os;} template <typename T> ostream& operator<<(ostream& os,const vector<vector<T>> &V){ int N=V.size();rep(i,0,N-1)os<<V[i]<<endl;os<<V[N-1];return os;} template <typename T,typename S> ostream& operator<<(ostream& os, pair<T,S> const&P){os<<P.FI<<' '<<P.SE;return os;} //ostream& operator<<(ostream& os, mint const&M){os<<M.val();return os;} /* useful */ template<typename T>void Vin(vector<T> &v){int n=v.size();rep(i,0,n)cin>>v[i];} int scomb(int n, int r){if(r<0||r>n)return 0;if((n-r)<r)r=n-r; // nCr int a=1;for(int i=n;i>n-r;--i){a=a*i;}for(int i=1;i<r+1;++i){a=a/i;}return a;} int digit_sum(int n){int ret=0; while(n>0){ret+=n%10;n/=10;}return ret;} int digit(int k,int i){string s = itos(k);return s[s.size()-i]-'0';} template<typename T>void press(T &v){v.erase(unique(ALL(v)),v.end());} int SMALLER(Vi &a,int x){return lower_bound(a.begin(),a.end(),x)-a.begin();} int orSMALLER(Vi &a,int x){return upper_bound(a.begin(),a.end(),x)-a.begin();} int BIGGER(Vi &a,int x){return a.size()-orSMALLER(a,x);} int orBIGGER(Vi &a,int x){return a.size()-SMALLER(a,x);} int COUNT(Vi &a,int x) {return upper_bound(ALL(a),x)-lower_bound(ALL(a),x);} int maxind(Vi &a){return max_element(ALL(a))-a.begin();} int minind(Vi &a){return min_element(ALL(a))-a.begin();} template<typename T>bool chmax(T &a,T b) {if(a<b){a=b;return 1;}return 0;} template<typename T>bool chmin(T &a,T b) {if(a>b){a=b;return 1;}return 0;} /* Vi zip(Vi b){int Z=b.size(); Pii p[Z+10];int a=b.size();Vi l(a);for(int i=0;i<a;i++) p[i]=mp(b[i],i);sort(p,p+a);int w=0;for(int i=0;i<a;i++) {if(i&&p[i].first!=p[i-1].first)w++;l[p[i].second]=w;}return l;} */ //Vi vis(Vi &v){Vi S(v.size()+1);rep(i,1,S.size())S[i]+=v[i-1]+S[i-1];return S;} //const int MOD = 998244353; const int MOD = 1000000007; const double EPS = 1e-10; void init(){cin.tie(0);cout.tie(0);ios::sync_with_stdio(0); cout<<fixed<<setprecision(12);//mint::set_mod(MOD); } /************************************ START ************************************/ void sol() { int n,K;cin >> n >> K; Vi a(n);Vin(a); if(n == 1) { cout << 0 << endl; return; } if(K == 0) { int now = a[0]; int ans = 0; rep(i,0,n) { ans -= abs(a[i]-now); } cout << ans << endl; return; } if(K == n) { int now = a[n/2]; int ans = INF; int pre = 0; rep(i,0,n) { pre += abs(a[i]-now); } chmin(ans,pre); now = a[n/2-1]; pre = 0; rep(i,0,n) { pre += abs(a[i]-now); } chmin(ans,pre); cout << ans << endl; return; } int ans = INF; int po = n-K; int indr = n-po,indl = 0; int a0 = a[0]; int sum = 0; int L=0,R=0,Lct=0,Rct=0; rep(i,0,n) { a[i] = abs(a[i]-a0); sum += a[i]; } repreq(i,n-1,n-po) { R += a[i]; Rct++; } int nw = 0; int ll=0,rr=n; rep(i,0,n) { int sa = abs(nw-a[i]); sum -= sa*rr; sum += sa*ll; rr--; ll++; while(indr < n && abs(a[indl]-a[i]) > abs(a[indr]-a[i])) { R -= a[indr]; L += a[indl]; indl++; indr++; Lct++; Rct--; } int pre = sum; int lll,rrr; rrr = abs(R - Rct*a[i]); lll = abs(L - Lct*a[i]); pre -= (rrr+lll)*2; chmin(ans,pre); nw = a[i]; } //cout << a << endl; cout << ans << endl; } signed main() { init(); sol(); return 0; }