oj.uz

답안 #198011

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
198011 2020-01-24T13:14:50 Z model_code Zoo (COCI19_zoo) C++17
45 / 110
 2000 ms 9436 KB 
#include <bits/stdc++.h>

using namespace std;

#define TRACE(x) cerr << #x << " " << x << endl
#define FOR(i, a, b) for (int i = (a); i < int(b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<

typedef long long llint;

const int MAXN = 1010;

bool bio[MAXN][MAXN];

char grid[MAXN][MAXN];

int R, S, cnt;
int dr[] = {1, 0, -1, 0};
int ds[] = {0, 1, 0, -1};

vector<pair<int, int>> comp;

inline char other(char c) {
  if (c == 'T') return 'B';
  return 'T';
}

inline bool check(int r, int s) {
  return r >= 0 && r < R && s >= 0 && s < S && grid[r][s] == grid[0][0] &&
         !bio[r][s];
}

int floodfill() {
  queue<pair<int, int>> Q;
  vector<pair<int, int>> v;
  Q.push({0, 0});
  bio[0][0] = true;
  while (!Q.empty()) {
    auto curr = Q.front();
    Q.pop();
    v.push_back(curr);
    for (int i = 0; i < 4; ++i) {
      int r = curr.first + dr[i], s = curr.second + ds[i];
      if (check(r, s)) {
        bio[r][s] = true;
        Q.push({r, s});
      }
    }
  }
  char c = other(grid[0][0]);
  for (auto &p : v) {
    grid[p.first][p.second] = c;
    bio[p.first][p.second] = false;
  }
  return v.size();
}

int main(void) {
  scanf("%d%d", &R, &S);
  for (int i = 0; i < R; ++i) {
    scanf("%s", grid[i]);
    for (int j = 0; j < S; ++j)
      cnt += grid[i][j] != '*';
  }

  int sol = 1;
  while (floodfill() < cnt) ++sol;

  printf("%d\n", sol);
  return 0;
}

Compilation message

zoo.cpp: In function 'int main()':
zoo.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &R, &S);
   ~~~~~^~~~~~~~~~~~~~~~
zoo.cpp:62:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", grid[i]);
     ~~~~~^~~~~~~~~~~~~~~

Subtask #1
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 632 KB Output is correct
8 Correct 11 ms 636 KB Output is correct
9 Correct 11 ms 632 KB Output is correct
10 Correct 13 ms 632 KB Output is correct
11 Correct 13 ms 632 KB Output is correct
12 Correct 16 ms 632 KB Output is correct
13 Correct 11 ms 632 KB Output is correct
14 Correct 10 ms 636 KB Output is correct
15 Correct 12 ms 632 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 632 KB Output is correct
8 Correct 11 ms 636 KB Output is correct
9 Correct 11 ms 632 KB Output is correct
10 Correct 13 ms 632 KB Output is correct
11 Correct 13 ms 632 KB Output is correct
12 Correct 16 ms 632 KB Output is correct
13 Correct 11 ms 632 KB Output is correct
14 Correct 10 ms 636 KB Output is correct
15 Correct 12 ms 632 KB Output is correct
16 Correct 30 ms 3888 KB Output is correct
17 Correct 32 ms 4036 KB Output is correct
18 Correct 29 ms 3904 KB Output is correct
19 Correct 44 ms 4184 KB Output is correct
20 Correct 32 ms 3860 KB Output is correct
21 Execution timed out 2066 ms 9436 KB Time limit exceeded
22 Halted 0 ms 0 KB -