Problem p02618 (C++) — buggy submission, verdict: Runtime Error

#define _GLIBCXX_DEBUG
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
#define rep0(TMS) for (int CNT = 0; CNT < (int)(TMS); CNT++)
#define rep(CNT, GOAL) for (int CNT = 0; CNT < (int)(GOAL); CNT++)
#define rep2(CNT, START, GOAL)                                                 \\
  for (int CNT = (int)(START); CNT < (int)(GOAL); CNT++)
#define rep3(CNT, START, GOAL)                                                 \\
  for (int CNT = (int)(START); CNT > (int)(GOAL); CNT--)
#define all(CONT) begin(CONT), end(CONT)
#define itrep(ITR, CONT) for (auto ITR = begin(CONT); ITR != end(CONT); ITR++)
#define itrep1(ITR, CONT)                                                      \\
  for (auto ITR = next(begin(CONT)); ITR != end(CONT); ITR++)
template <typename T> bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
template <typename T> bool chmin(T &a, const T &b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
void prec(const int &DIG) {
  cerr << fixed << setprecision(DIG);
  cout << fixed << setprecision(DIG);
}
template <typename T> void CERR(const T &ELEM) { cerr << ELEM; }
template <typename T, typename... Ts>
void CERR(const T &FIRST, const Ts &...REST) {
  CERR(FIRST);
  cerr << ", ";
  CERR(REST...);
}
template <typename T1, typename T2> void CERR(const pair<T1, T2> &PAIR) {
  cerr << "(";
  CERR(PAIR.first);
  cerr << ", ";
  CERR(PAIR.second);
  cerr << ")";
}
template <typename T> void CERR(const vector<T> &VEC) {
  cerr << "{ ";
  itrep(ITR, VEC) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR1(const vector<T> &VEC) {
  cerr << "{ ";
  itrep1(ITR, VEC) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR(const set<T> &SET) {
  cerr << "{ ";
  itrep(ITR, SET) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR(const multiset<T> &MULTISET) {
  cerr << "{ ";
  itrep(ITR, MULTISET) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T1, typename T2> void CERR(const map<T1, T2> &MAP) {
  cerr << "{ ";
  itrep(ITR, MAP) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
#define db(OBJ)                                                                \\
  cerr << #OBJ << ": ";                                                        \\
  CERR(OBJ);                                                                   \\
  cerr << ", "
#define dbl(OBJ)                                                               \\
  cerr << #OBJ << ": ";                                                        \\
  CERR(OBJ);                                                                   \\
  cerr << "\\n"
#define db1(OBJ)                                                               \\
  cerr << #OBJ << ": ";                                                        \\
  CERR1(OBJ);                                                                  \\
  cerr << "\\n"
#define dbs(...)                                                               \\
  cerr << "(" << #__VA_ARGS__ << "): (";                                       \\
  CERR(__VA_ARGS__);                                                           \\
  cerr << ")\\n"
#define dbvv(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep(CNT, VV.size()) {                                                        \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR(VV[CNT]);                                                             \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db01(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep(CNT, VV.size()) {                                                        \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR1(VV[CNT]);                                                            \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db10(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep2(CNT, 1, VV.size()) {                                                    \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR(VV[CNT]);                                                             \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db11(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep2(CNT, 1, VV.size()) {                                                    \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR1(VV[CNT]);                                                            \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define YN(FLG) cout << (FLG ? "YES" : "NO") << "\\n"
#define Yn(FLG) cout << (FLG ? "Yes" : "No") << "\\n"
#define yn(FLG) cout << (FLG ? "yes" : "no") << "\\n"
// const ll INF = 1'000'000'000'000'000'007;
const int INF = 1'000'000'007;
const ll MOD = 1'000'000'007; // 998'244'353;

random_device seed_gen;
mt19937 rand_src(seed_gen());

int T1;

int T = 100;
int D;
const int N = 26; // コンテストのタイプの数
vi c(N + 1), last(N + 1);
vvi s;

int score_max = 0;
vi ans_t;

int score(vi t) {
  int score = 0;
  rep2(d, 1, D + 1) {
    last[t[d]] = d;
    score += s[d][t[d]];
    rep2(i, 1, N + 1) score -= c[i] * (d - last[i]);
  }
  return score;
}

void trial() {
  vi t(D + 1);
  rep2(i, 1, D + 1) t[i] = rand_src() % N + 1;
  // dbl(t); dbl(score(t));
  if (chmax(score_max, score(t)))
    ans_t = t;
  // dbl(ans_t); dbl(score_max);
}

void solve() {
  rep0(T) trial();
  // while (true) {
  // 	trial();
  // 	// cout << clock() << endl;
  // 	if (clock() - T1 > 1990) break;
  // }
  rep2(i, 1, D + 1) cout << ans_t[i] << endl;
}

int main() {
  T1 = clock();
  srand((unsigned)time(NULL));
  // 日数dは1-ind, コンテストのタイプiは1-ind
  cin >> D;
  rep2(i, 1, N + 1) cin >> c[i];
  s = vvi(D + 1, vi(N + 1));
  rep2(d, 1, D + 1) rep2(i, 1, N + 1) cin >> s[d][i];
  // db1(c); db1(last); db01(s);
  solve();
}

Error: WA

Fixed submission:

#define _GLIBCXX_DEBUG
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
#define rep0(TMS) for (int CNT = 0; CNT < (int)(TMS); CNT++)
#define rep(CNT, GOAL) for (int CNT = 0; CNT < (int)(GOAL); CNT++)
#define rep2(CNT, START, GOAL)                                                 \\
  for (int CNT = (int)(START); CNT < (int)(GOAL); CNT++)
#define rep3(CNT, START, GOAL)                                                 \\
  for (int CNT = (int)(START); CNT > (int)(GOAL); CNT--)
#define all(CONT) begin(CONT), end(CONT)
#define itrep(ITR, CONT) for (auto ITR = begin(CONT); ITR != end(CONT); ITR++)
#define itrep1(ITR, CONT)                                                      \\
  for (auto ITR = next(begin(CONT)); ITR != end(CONT); ITR++)
template <typename T> bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
template <typename T> bool chmin(T &a, const T &b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
void prec(const int &DIG) {
  cerr << fixed << setprecision(DIG);
  cout << fixed << setprecision(DIG);
}
template <typename T> void CERR(const T &ELEM) { cerr << ELEM; }
template <typename T, typename... Ts>
void CERR(const T &FIRST, const Ts &...REST) {
  CERR(FIRST);
  cerr << ", ";
  CERR(REST...);
}
template <typename T1, typename T2> void CERR(const pair<T1, T2> &PAIR) {
  cerr << "(";
  CERR(PAIR.first);
  cerr << ", ";
  CERR(PAIR.second);
  cerr << ")";
}
template <typename T> void CERR(const vector<T> &VEC) {
  cerr << "{ ";
  itrep(ITR, VEC) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR1(const vector<T> &VEC) {
  cerr << "{ ";
  itrep1(ITR, VEC) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR(const set<T> &SET) {
  cerr << "{ ";
  itrep(ITR, SET) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T> void CERR(const multiset<T> &MULTISET) {
  cerr << "{ ";
  itrep(ITR, MULTISET) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
template <typename T1, typename T2> void CERR(const map<T1, T2> &MAP) {
  cerr << "{ ";
  itrep(ITR, MAP) {
    CERR(*ITR);
    cerr << ", ";
  }
  cerr << "}";
}
#define db(OBJ)                                                                \\
  cerr << #OBJ << ": ";                                                        \\
  CERR(OBJ);                                                                   \\
  cerr << ", "
#define dbl(OBJ)                                                               \\
  cerr << #OBJ << ": ";                                                        \\
  CERR(OBJ);                                                                   \\
  cerr << "\\n"
#define db1(OBJ)                                                               \\
  cerr << #OBJ << ": ";                                                        \\
  CERR1(OBJ);                                                                  \\
  cerr << "\\n"
#define dbs(...)                                                               \\
  cerr << "(" << #__VA_ARGS__ << "): (";                                       \\
  CERR(__VA_ARGS__);                                                           \\
  cerr << ")\\n"
#define dbvv(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep(CNT, VV.size()) {                                                        \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR(VV[CNT]);                                                             \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db01(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep(CNT, VV.size()) {                                                        \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR1(VV[CNT]);                                                            \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db10(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep2(CNT, 1, VV.size()) {                                                    \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR(VV[CNT]);                                                             \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define db11(VV)                                                               \\
  cerr << #VV << ": {\\n";                                                      \\
  rep2(CNT, 1, VV.size()) {                                                    \\
    cerr << #VV << "[" << CNT << "]: ";                                        \\
    CERR1(VV[CNT]);                                                            \\
    cerr << ",\\n";                                                             \\
  }                                                                            \\
  cerr << "}\\n"
#define YN(FLG) cout << (FLG ? "YES" : "NO") << "\\n"
#define Yn(FLG) cout << (FLG ? "Yes" : "No") << "\\n"
#define yn(FLG) cout << (FLG ? "yes" : "no") << "\\n"
// const ll INF = 1'000'000'000'000'000'007;
const int INF = 1'000'000'007;
const ll MOD = 1'000'000'007; // 998'244'353;

random_device seed_gen;
mt19937 rand_src(seed_gen());

int T1;

int T = 10000;
int D;
const int N = 26; // コンテストのタイプの数
vi c(N + 1), last(N + 1);
vvi s;

int score_max = 0;
vi ans_t;

int score(vi t) {
  int score = 0;
  rep2(d, 1, D + 1) {
    last[t[d]] = d;
    score += s[d][t[d]];
    rep2(i, 1, N + 1) score -= c[i] * (d - last[i]);
  }
  return score;
}

void trial() {
  vi t(D + 1);
  rep2(i, 1, D + 1) t[i] = rand_src() % N + 1;
  // dbl(t); dbl(score(t));
  if (chmax(score_max, score(t)))
    ans_t = t;
  // dbl(ans_t); dbl(score_max);
}

void solve() {
  // rep0(T) trial();
  while (true) {
    trial();
    // cout << clock() << endl;
    if (clock() - T1 > 1990)
      break;
  }
  rep2(i, 1, D + 1) cout << ans_t[i] << endl;
}

int main() {
  T1 = clock();
  srand((unsigned)time(NULL));
  // 日数dは1-ind, コンテストのタイプiは1-ind
  cin >> D;
  rep2(i, 1, N + 1) cin >> c[i];
  s = vvi(D + 1, vi(N + 1));
  rep2(d, 1, D + 1) rep2(i, 1, N + 1) cin >> s[d][i];
  // db1(c); db1(last); db01(s);
  solve();
}