Language: C++

#include <bits/stdc++.h>
using namespace std;

//conversion
//------------------------------------------
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

//math
//-------------------------------------------
template<class T> inline T sqr(T x) {return x*x;}

//typedef
//------------------------------------------
typedef long long LL;
typedef pair<int, int> PII;
typedef pair<LL,LL> PLL;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef vector<bool> VB;
typedef vector<VB> VVB;
typedef vector<double> VD;
typedef vector<VD> VVD;
typedef vector<string> VS;
typedef vector<VS> VVS;
typedef vector<char> VC;
typedef vector<VC> VVC;
typedef vector<PII> VPII;
typedef vector<PLL> VPLL;
typedef priority_queue<int> PQGI; //大きい順
typedef priority_queue<int, VI, greater<int>> PQLI;
typedef priority_queue<PII> PQGP;
typedef priority_queue<PII, VPII, greater<PII>> PQLP;
//priority_queue<T,vector<T>,decltype(f)> pq{f};

//container util
//------------------------------------------
#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define EB emplace_back
#define EF emplace_front
#define PB push_back
#define PF push_front
#define POB pop_back
#define POF pop_front
#define MP make_pair
#define SZ(a) int((a).size())
#define SQ(a) ((a)*(a))
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define SORTR(c) sort((c).rbegin(), (c).rend())
#define LB lower_bound
#define UB upper_bound
#define NEXP next_permutation
#define FI first
#define SE second
#define Vmin(a) *min_element((a).begin(),(a).end())
#define Vmax(a) *max_element((a).begin(),(a).end())

//repetition
//------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define FORR(i,a,b) for(int i = (b-1);i>=(a);i--)
#define REPR(i,n) FORR(i,0,n)
#define CFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define CREP(i,n)  CFOR(i,0,n)
#define CFORR(i,a,b) for(int i = (b);i>=(a);i--)
#define CREPR(i,n) CFORR(i,0,n)
#define BFOR(bit,a,b) for(int bit = (a); bit < (1<<(b)); ++bit)
#define BREP(bit,n) BFOR(bit,0,n)

//constant
//--------------------------------------------
const double EPS = 1e-10;
const double PI  = acos(-1.0);
const int INF = INT_MAX/2;
const LL LINF = LLONG_MAX/3;
const int RINF = INT_MIN/2;
const LL RLINF = LLONG_MIN/3;
const LL MOD = 1e9+7;
const LL MODD = 998244353;
const int MAX = 510000;

inline bool Eq(double a, double b) { return fabs(b - a) < EPS; }

//other
//-------------------------------------------
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; }

#define COUT(x) cout << (x) << endl
#define COUT2(x,y) cout << (x) << " " << (y) << endl
#define COUT3(x,y,z) cout << (x) << " " << (y) << " " << (z) << endl
#define PR(x) cout << (x)
#define ENDL cout << endl
#define SPACE cout << " "
#define BC(x) __builtin_popcountll(x)

VI dx = {1,0,-1,0,1,1,-1,-1};
VI dy = {0,1,0,-1,1,-1,1,-1};

LL Gcd(LL a, LL b) {return __gcd(a,b);}
LL Lcm(LL a, LL b) {return a/Gcd(a,b)*b;}

LL ModPow(LL A, LL N, LL M=MOD){
  LL res = 1;
  while(N>0){
    if(N&1) res = res * A % M;
    A = A * A % M;
    N >>= 1;
  }
  return res;
}

template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
  is >> p.first >> p.second;
  return is;
}

template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
  os << p.first << " " << p.second;
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < SZ(v); i++) {
    os << v[i] << (i + 1 != SZ(v) ? " " : "");
  }
  return os;
}

template<typename T>
vector<T> make_v(size_t a,T b){return vector<T>(a,b);}
template<typename... Ts>
auto make_v(size_t a,Ts... ts){
  return vector<decltype(make_v(ts...))>(a,make_v(ts...));
}

struct Timer {
  chrono::high_resolution_clock::time_point st;

  Timer() { reset(); }

  void reset() {
    st = chrono::high_resolution_clock::now();
  }

  chrono::milliseconds::rep elapsed() {
    auto ed = chrono::high_resolution_clock::now();
    return chrono::duration_cast< chrono::milliseconds >(ed - st).count();
  }
};

VI c;
VVI s;

struct Solve{
  int D,N;
  VI T;
  VVI shedule;
  VI score, penalty;

  Solve(int D,int N,VI T):D(D),N(N),T(T) {
    shedule.assign(N,VI(1,0));
    score.assign(N,0);
    penalty.assign(N,0);
    REP(i,D){
      shedule.at(T.at(i)).PB(i+1);
    }
    REP(i,N) shedule.at(i).PB(D+1);

    REP(i,D){
      score.at(T.at(i)) += s.at(i).at(T.at(i));
    }
    REP(i,N){
      int m = SZ(shedule.at(i));
      REP(j,m-1){
        int d = shedule.at(i).at(j+1)-shedule.at(i).at(j);
        penalty.at(i) -= c.at(i)*d*(d-1)/2;
      }
    }
  }

  int getScore(){
    int res=0;
    for(auto e : score) res += e;
    for(auto e : penalty) res += e;
    return res;
  }

  void change(int k, int nt){
    int ot = T.at(k);
    T.at(k) = nt;

    score.at(ot) -= s.at(k).at(ot);
    score.at(nt) += s.at(k).at(nt);

    int m = SZ(shedule.at(ot));
    REP(i,m){
      if(shedule.at(ot).at(i) == k+1){
        int d = shedule.at(ot).at(i)-shedule.at(ot).at(i-1);
        penalty.at(ot) += c.at(ot)*d*(d-1)/2;
        int d = shedule.at(ot).at(i+1)-shedule.at(ot).at(i);
        penalty.at(ot) += c.at(ot)*d*(d-1)/2;
        int d = shedule.at(ot).at(i+1)-shedule.at(ot).at(i-1);
        penalty.at(ot) -= c.at(ot)*d*(d-1)/2;

        shedule.at(ot).erase(shedule.at(ot).begin()+i);
        break;
      }
    }
    int m = SZ(shedule.at(nt));
    REP(i,m){
      if(shedule.at(nt).at(i) > k+1){

        int d = shedule.at(nt).at(i)-shedule.at(nt).at(i-1);
        penalty.at(nt) += c.at(nt)*d*(d-1)/2;
        int d = shedule.at(nt).at(i)-(k+1);
        penalty.at(nt) -= c.at(nt)*d*(d-1)/2;
        int d = (k+1)-shedule.at(nt).at(i-1);
        penalty.at(nt) -= c.at(nt)*d*(d-1)/2;

        shedule.at(nt).insert(shedule.at(nt).begin()+i,k+1);
        break;
      }
    }
  }

  void tswap(int k, int l){
    int kt = T.at(k);
    int lt = T.at(l);
    change(k,lt);
    change(l,kt);
  }

};

int main() {

  // cin.tie(0);
  // ios::sync_with_stdio(false);
  cout << fixed << setprecision(12);

  Timer timer;


  int D; cin >> D;
  int N = 26;
  c.assign(N,0); cin >> c;
  s.assign(D,VI(N,0)); cin >> s;
  
  VI T(D); //cin >> T;
  //REP(i,D) T.at(i)--;

  srand(time(NULL));

  REP(i,D) T.at(i) = rand() % N;

  Solve solve(D,N,T);

  while(timer.elapsed()<1800){
    int t = rand()%2;

    int sco = solve.getScore();

    if(t){
      int k = rand()%D;
      int nt = rand()%N;
      int ot = T.at(k);
      solve.change(k,nt);
      int nsc = solve.getScore();
      if(sco>nsc){
        solve.change(k,ot);
      }else{
        T.at(k) = nt;
      }
    }else{
      int l = rand()%D;
      int r = rand()%D;
      solve.tswap(l,r);
      int nsc = solve.getScore();
      if(sco>nsc){
        solve.tswap(l,r);
      }else{
        swap(T.at(l),T.at(r));
      }
    }
  }

  COUT(T);


  return 0;
}

Compiler output:
a.cc: In member function 'void Solve::change(int, int)':
a.cc:216:13: error: redeclaration of 'int d'
  216 |         int d = shedule.at(ot).at(i+1)-shedule.at(ot).at(i);
      |             ^
a.cc:214:13: note: 'int d' previously declared here
  214 |         int d = shedule.at(ot).at(i)-shedule.at(ot).at(i-1);
      |             ^
a.cc:218:13: error: redeclaration of 'int d'
  218 |         int d = shedule.at(ot).at(i+1)-shedule.at(ot).at(i-1);
      |             ^
a.cc:214:13: note: 'int d' previously declared here
  214 |         int d = shedule.at(ot).at(i)-shedule.at(ot).at(i-1);
      |             ^
a.cc:225:9: error: redeclaration of 'int m'
  225 |     int m = SZ(shedule.at(nt));
      |         ^
a.cc:211:9: note: 'int m' previously declared here
  211 |     int m = SZ(shedule.at(ot));
      |         ^
a.cc:231:13: error: redeclaration of 'int d'
  231 |         int d = shedule.at(nt).at(i)-(k+1);
      |             ^
a.cc:229:13: note: 'int d' previously declared here
  229 |         int d = shedule.at(nt).at(i)-shedule.at(nt).at(i-1);
      |             ^
a.cc:233:13: error: redeclaration of 'int d'
  233 |         int d = (k+1)-shedule.at(nt).at(i-1);
      |             ^
a.cc:229:13: note: 'int d' previously declared here
  229 |         int d = shedule.at(nt).at(i)-shedule.at(nt).at(i-1);
      |             ^