oj.uz

Submission #293052

# Submission time Handle Problem Language Result Execution time Memory
293052 2020-09-07T15:50:18 Z BThero Cultivation (JOI17_cultivation) C++17
5 / 100
 626 ms 512 KB 
// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

pii arr[305];
int mark[105][105];
int R, C, n;

void solve() {
  scanf("%d %d", &R, &C);
  scanf("%d", &n);
  
  for (int i = 1; i <= n; ++i) {
    int x, y;
    scanf("%d %d", &x, &y);
    arr[i] = mp(x, y);
  }
  
  int ans = R + C;
  
  for (int dx = 0; dx <= R - 1; ++dx) {
    for (int dy = 0; dy <= C - 1; ++dy) {
      for (int x = 1; x <= 2 * R; ++x) {
        for (int y = 1; y <= 2 * C; ++y) {
          mark[x][y] = 0;
        }
      }
    
      for (int i = 1; i <= n; ++i) {
        int x1 = arr[i].fi, x2 = arr[i].fi + dx;
        int y1 = arr[i].se, y2 = arr[i].se + dy;
        
        for (int x = x1; x <= x2; ++x) {
          for (int y = y1; y <= y2; ++y) {
            mark[x][y] = 1;
          }
        }
      }
      
      for (int x1 = 1; x1 <= dx + 1; ++x1) {
        for (int y1 = 1; y1 <= dy + 1; ++y1) {
          bool ok = 1;
          
          for (int i = 0; i < R; ++i) {
            for (int j = 0; j < C; ++j) {
              ok &= mark[x1 + i][y1 + j];
            }
          }
          
          if (ok) {
            ans = min(ans, dx + dy);
          }
        }
      }
    }
  }
  
  printf("%d\n", ans);
}

int main() {
  int tt = 1;
  
  while (tt--) {
    solve();
  }

  return 0;
}

Compilation message

cultivation.cpp: In function 'void solve()':
cultivation.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |   scanf("%d %d", &R, &C);
      |   ~~~~~^~~~~~~~~~~~~~~~~
cultivation.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
cultivation.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |     scanf("%d %d", &x, &y);
      |     ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 48 ms 384 KB Output is correct
19 Correct 626 ms 404 KB Output is correct
20 Correct 18 ms 376 KB Output is correct
21 Incorrect 486 ms 404 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 48 ms 384 KB Output is correct
19 Correct 626 ms 404 KB Output is correct
20 Correct 18 ms 376 KB Output is correct
21 Incorrect 486 ms 404 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 48 ms 384 KB Output is correct
19 Correct 626 ms 404 KB Output is correct
20 Correct 18 ms 376 KB Output is correct
21 Incorrect 486 ms 404 KB Output isn't correct
22 Halted 0 ms 0 KB -