oj.uz

Submission #47693

# Submission time Handle Problem Language Result Execution time Memory
47693 2018-05-06T10:01:40 Z maksim_gaponov Cultivation (JOI17_cultivation) C++14
30 / 100
 2000 ms 1120 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

void openFiles() {
#ifdef KEK
	assert(freopen("input.txt", "r", stdin));
	assert(freopen("output.txt", "w", stdout));
#endif
}

void IOoptimize() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
}

const ll INF = 1e12 + 10;
const int MAXN = 300;
const int MAX = 40;
ll x[MAXN], y[MAXN];

int main() {
	openFiles();
	IOoptimize();
    ll r, c;
    cin >> r >> c;
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> x[i] >> y[i];
        x[i]--;
        y[i]--;
    }
    ll ans = INF;
    for (ll up = 0; up <= r; up++)
    for (ll dn = 0; dn <= r; dn++) {
        //cout << up << " " << dn << "\n";
        ll we = 0;
        ll w = 0;
        ll e = 0;
        for (int i = 0; i < r; i++) {
            vector<ll> pos;
            for (int j = 0; j < n; j++) {
                if (x[j] - up <= i && i <= x[j] + dn)
                    pos.push_back(y[j]);
            }
            if (pos.size() == 0) {
                we = INF;
            }
            else {
                sort(pos.begin(), pos.end());
                for (int j = 1; j < pos.size(); j++) {
                    we = max(we, pos[j] - pos[j - 1] - 1);
                }
                w = max(w, pos[0]);
                e = max(e, c - pos.back() - 1);
            }
        }
        //cout << w << " " << e << " " << we << "\n";
        we = max(we, w + e);
        //cout << we << "\n";
        ans = min(ans, up + dn + we);
    }
    cout << ans;
	return 0;
}

Compilation message

cultivation.cpp: In function 'int main()':
cultivation.cpp:54:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int j = 1; j < pos.size(); j++) {
                                 ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 776 KB Output is correct
7 Correct 2 ms 776 KB Output is correct
8 Correct 2 ms 776 KB Output is correct
9 Correct 2 ms 776 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 2 ms 776 KB Output is correct
14 Correct 2 ms 776 KB Output is correct
15 Correct 2 ms 776 KB Output is correct
16 Correct 2 ms 776 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 776 KB Output is correct
7 Correct 2 ms 776 KB Output is correct
8 Correct 2 ms 776 KB Output is correct
9 Correct 2 ms 776 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 2 ms 776 KB Output is correct
14 Correct 2 ms 776 KB Output is correct
15 Correct 2 ms 776 KB Output is correct
16 Correct 2 ms 776 KB Output is correct
17 Correct 4 ms 776 KB Output is correct
18 Correct 25 ms 776 KB Output is correct
19 Correct 34 ms 776 KB Output is correct
20 Correct 3 ms 776 KB Output is correct
21 Correct 71 ms 992 KB Output is correct
22 Correct 193 ms 992 KB Output is correct
23 Correct 42 ms 992 KB Output is correct
24 Correct 348 ms 1004 KB Output is correct
25 Correct 262 ms 1008 KB Output is correct
26 Correct 580 ms 1012 KB Output is correct
27 Correct 553 ms 1020 KB Output is correct
28 Correct 339 ms 1020 KB Output is correct
29 Correct 482 ms 1024 KB Output is correct
30 Correct 553 ms 1028 KB Output is correct
31 Correct 561 ms 1036 KB Output is correct
32 Correct 574 ms 1036 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 776 KB Output is correct
7 Correct 2 ms 776 KB Output is correct
8 Correct 2 ms 776 KB Output is correct
9 Correct 2 ms 776 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 2 ms 776 KB Output is correct
14 Correct 2 ms 776 KB Output is correct
15 Correct 2 ms 776 KB Output is correct
16 Correct 2 ms 776 KB Output is correct
17 Correct 4 ms 776 KB Output is correct
18 Correct 25 ms 776 KB Output is correct
19 Correct 34 ms 776 KB Output is correct
20 Correct 3 ms 776 KB Output is correct
21 Correct 71 ms 992 KB Output is correct
22 Correct 193 ms 992 KB Output is correct
23 Correct 42 ms 992 KB Output is correct
24 Correct 348 ms 1004 KB Output is correct
25 Correct 262 ms 1008 KB Output is correct
26 Correct 580 ms 1012 KB Output is correct
27 Correct 553 ms 1020 KB Output is correct
28 Correct 339 ms 1020 KB Output is correct
29 Correct 482 ms 1024 KB Output is correct
30 Correct 553 ms 1028 KB Output is correct
31 Correct 561 ms 1036 KB Output is correct
32 Correct 574 ms 1036 KB Output is correct
33 Correct 2 ms 1036 KB Output is correct
34 Correct 594 ms 1036 KB Output is correct
35 Correct 582 ms 1048 KB Output is correct
36 Correct 596 ms 1048 KB Output is correct
37 Correct 400 ms 1072 KB Output is correct
38 Correct 598 ms 1072 KB Output is correct
39 Correct 597 ms 1072 KB Output is correct
40 Correct 613 ms 1072 KB Output is correct
41 Correct 386 ms 1108 KB Output is correct
42 Correct 471 ms 1116 KB Output is correct
43 Correct 545 ms 1116 KB Output is correct
44 Correct 587 ms 1120 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 1120 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 1120 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 776 KB Output is correct
7 Correct 2 ms 776 KB Output is correct
8 Correct 2 ms 776 KB Output is correct
9 Correct 2 ms 776 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 2 ms 776 KB Output is correct
14 Correct 2 ms 776 KB Output is correct
15 Correct 2 ms 776 KB Output is correct
16 Correct 2 ms 776 KB Output is correct
17 Correct 4 ms 776 KB Output is correct
18 Correct 25 ms 776 KB Output is correct
19 Correct 34 ms 776 KB Output is correct
20 Correct 3 ms 776 KB Output is correct
21 Correct 71 ms 992 KB Output is correct
22 Correct 193 ms 992 KB Output is correct
23 Correct 42 ms 992 KB Output is correct
24 Correct 348 ms 1004 KB Output is correct
25 Correct 262 ms 1008 KB Output is correct
26 Correct 580 ms 1012 KB Output is correct
27 Correct 553 ms 1020 KB Output is correct
28 Correct 339 ms 1020 KB Output is correct
29 Correct 482 ms 1024 KB Output is correct
30 Correct 553 ms 1028 KB Output is correct
31 Correct 561 ms 1036 KB Output is correct
32 Correct 574 ms 1036 KB Output is correct
33 Correct 2 ms 1036 KB Output is correct
34 Correct 594 ms 1036 KB Output is correct
35 Correct 582 ms 1048 KB Output is correct
36 Correct 596 ms 1048 KB Output is correct
37 Correct 400 ms 1072 KB Output is correct
38 Correct 598 ms 1072 KB Output is correct
39 Correct 597 ms 1072 KB Output is correct
40 Correct 613 ms 1072 KB Output is correct
41 Correct 386 ms 1108 KB Output is correct
42 Correct 471 ms 1116 KB Output is correct
43 Correct 545 ms 1116 KB Output is correct
44 Correct 587 ms 1120 KB Output is correct
45 Execution timed out 2053 ms 1120 KB Time limit exceeded
46 Halted 0 ms 0 KB -