제출 #744856

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
744856		arush_agu	벽 칠하기 (APIO20_paint)	C++17	컴파일 에러	0 ms	0 KiB

paint

#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#ifdef DEBUG
#include <time.h>
#endif

#define all(a) (a).begin(), (a).end()
#define rev(a) (a).rbegin(), (a).rend()
#define F first
#define S second
int recur_depth = 0;
#ifdef DEBUG
#define dbg(x)                                                                 \
  {                                                                            \
    ++recur_depth;                                                             \
    auto x_ = x;                                                               \
    --recur_depth;                                                             \
    cerr << string(recur_depth, '\t') << "\e[91m" << __func__ << ":"           \
         << __LINE__ << "\t" << #x << " = " << x_ << "\e[39m" << endl;         \
  }
#else
#define dbg(x)
#endif

using namespace std;
using namespace __gnu_pbds;

typedef pair<int, int> ii;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> llll;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pair<int, int>> vii;
typedef vector<vii> vvii;

typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pair<ll, ll>> vll;
typedef vector<vll> vvll;

typedef vector<bool> vb;

template <class type1>
using ordered_set = tree<type1, null_type, less<type1>, rb_tree_tag,
                         tree_order_statistics_node_update>;

template <typename A, typename B>
ostream &operator<<(ostream &os, const pair<A, B> &p) {
  return os << '(' << p.first << ", " << p.second << ')';
}
template <typename T_container, typename T = typename enable_if<
                                    !is_same<T_container, string>::value,
                                    typename T_container::value_type>::type>
ostream &operator<<(ostream &os, const T_container &v) {
  os << '{';
  string sep;
  for (const T &x : v)
    os << sep << x, sep = ", ";
  return os << '}';
}

const ll MOD = 1e9 + 7;
// const ll MOD = 998244353;
const ll INF = 1e9;
const ld EPS = 1e-9;

int minimumInstructions(int n, int m, int k, vi c, vi a, vvi b) {
  for (int i=0; i<m; i++) sort(all(b[i]));
  vb poss(n);

  vector<vb> bb(m, vb(k));
  for (int i=0; i<m; i++) {
    for (int co : b[i]) bb[i][co] = 1;
  }

  vvi col(k);
  for (int i=0; i<m; i++) for (int &c : b[i]) col[c].push_back(i);

  // cerr << col << "\n";

  for (int i=0; i + m<=n; i++) {
    for (int con_id : col[c[i]]) {
      int cid = con_id;

      bool flag = 0;
      for (int j=i; j<i+m; j++) {
        if (!bb[cid][c[j]]) {
          flag = 1;
          break;
        }
        if (++cid == m) cid = 0;
      }

      if (!flag) {
        poss[i] = 1;
        break;
      }
    }
  }

  // cerr << poss << "\n";

  vi painted(n);
  for (int i=0; i<n; i++) if (poss[i]) {
    for (int j=i; j<i+m; j++) painted[j] = 1;
  }

  // cerr << painted << "\n";

  int cnt = accumulate(all(painted), 0);
  if (cnt < n) return -1;
  assert(1 == 2);

  int ans = 0;
  int idx = 0;
  while (idx < n) {
    while (!poss[idx]) idx--;
    idx += m;
    ans++;
  }
  return ans;
}

void solve() {
  int n, m, k; cin >> n >> m >> k;
  vi c(n); for (int &x : c) cin >> x;
  vi a(m); vvi b(m);
  for (int i=0; i<m; i++) {
    cin >> a[i];
    for (int j=0; j<a[i]; j++) {
      int x; cin >> x;
      b[i].push_back(x);
    }
  }

  cerr << n << " " << m << " " << k << "\n";
  cerr << c << "\n";
  cerr << a << "\n";
  cerr << b << "\n";

  cout << minimumInstructions(n, m, k, c, a, b) << "\n";
}

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);

  clock_t start = clock();

  int test_cases = 1;
  /* cin >> test_cases; */

  while (test_cases--)
    solve();

#ifdef DEBUG
  cerr << fixed << setprecision(10)
       << "\nTime Taken: " << (double)(clock() - start) / CLOCKS_PER_SEC
       << "s\n";
#endif
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

paint.cpp: In function 'int main()':
paint.cpp:172:11: warning: unused variable 'start' [-Wunused-variable]
  172 |   clock_t start = clock();
      |           ^~~~~
/usr/bin/ld: /tmp/ccqzy4bl.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccjyk1Wl.o:paint.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status