답안 #108483

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
108483 2019-04-30T05:18:01 Z E869120 Bulldozer (JOI17_bulldozer) C++14
25 / 100
26 ms 584 KB
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

struct Fraction {
public:
	long long cx, cy;
};

long long gcd(long long a, long long b) {
	if (b == 0) return a;
	return gcd(b, a%b);
}

Fraction teisei(Fraction A) {
	long long E = gcd(A.cx, A.cy);
	A.cx /= E; A.cy /= E;
	return A;
}

long long N, X[109], Y[109], W[109], ans; bool ok = false;
vector<Fraction>E;

int main() {
	cin >> N;
	for (int i = 0; i < N; i++) { cin >> X[i] >> Y[i] >> W[i]; if (Y[i] != 0) ok = true; }
	E.push_back(Fraction{ 0, 1 });
	if (ok == true) {
		for (int i = 0; i < N; i++) {
			for (int j = i + 1; j < N; j++) E.push_back(teisei(Fraction{ X[j] - X[i],Y[j] - Y[i] }));
		}
	}
	for (Fraction R : E) {
		vector<pair<long long, int>>vec;
		for (int i = 0; i < N; i++) vec.push_back(make_pair(X[i] * -R.cy + Y[i] * R.cx, i));
		sort(vec.begin(), vec.end());

		long long sum = 0, minx = 0;
		for (int i = 0; i < vec.size(); i++) {
			sum += W[vec[i].second]; minx = min(minx, sum);
			ans = max(ans, sum - minx);
		}
	}
	cout << ans << endl;
	return 0;
}

Compilation message

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:40:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < vec.size(); i++) {
                   ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 576 KB Output is correct
2 Correct 25 ms 512 KB Output is correct
3 Correct 25 ms 512 KB Output is correct
4 Correct 25 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 25 ms 512 KB Output is correct
7 Correct 26 ms 512 KB Output is correct
8 Correct 25 ms 556 KB Output is correct
9 Correct 26 ms 512 KB Output is correct
10 Correct 26 ms 584 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 23 ms 576 KB Output is correct
22 Correct 24 ms 484 KB Output is correct
23 Correct 23 ms 512 KB Output is correct
24 Correct 23 ms 512 KB Output is correct
25 Correct 23 ms 512 KB Output is correct
26 Correct 24 ms 576 KB Output is correct
27 Correct 24 ms 512 KB Output is correct
28 Correct 23 ms 512 KB Output is correct
29 Correct 24 ms 512 KB Output is correct
30 Correct 24 ms 576 KB Output is correct
31 Correct 24 ms 512 KB Output is correct
32 Correct 24 ms 512 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 576 KB Output is correct
2 Correct 25 ms 512 KB Output is correct
3 Correct 25 ms 512 KB Output is correct
4 Correct 25 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 25 ms 512 KB Output is correct
7 Correct 26 ms 512 KB Output is correct
8 Correct 25 ms 556 KB Output is correct
9 Correct 26 ms 512 KB Output is correct
10 Correct 26 ms 584 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 23 ms 576 KB Output is correct
22 Correct 24 ms 484 KB Output is correct
23 Correct 23 ms 512 KB Output is correct
24 Correct 23 ms 512 KB Output is correct
25 Correct 23 ms 512 KB Output is correct
26 Correct 24 ms 576 KB Output is correct
27 Correct 24 ms 512 KB Output is correct
28 Correct 23 ms 512 KB Output is correct
29 Correct 24 ms 512 KB Output is correct
30 Correct 24 ms 576 KB Output is correct
31 Correct 24 ms 512 KB Output is correct
32 Correct 24 ms 512 KB Output is correct
33 Incorrect 2 ms 256 KB Output isn't correct
34 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 576 KB Output is correct
2 Correct 25 ms 512 KB Output is correct
3 Correct 25 ms 512 KB Output is correct
4 Correct 25 ms 512 KB Output is correct
5 Correct 25 ms 512 KB Output is correct
6 Correct 25 ms 512 KB Output is correct
7 Correct 26 ms 512 KB Output is correct
8 Correct 25 ms 556 KB Output is correct
9 Correct 26 ms 512 KB Output is correct
10 Correct 26 ms 584 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 23 ms 576 KB Output is correct
22 Correct 24 ms 484 KB Output is correct
23 Correct 23 ms 512 KB Output is correct
24 Correct 23 ms 512 KB Output is correct
25 Correct 23 ms 512 KB Output is correct
26 Correct 24 ms 576 KB Output is correct
27 Correct 24 ms 512 KB Output is correct
28 Correct 23 ms 512 KB Output is correct
29 Correct 24 ms 512 KB Output is correct
30 Correct 24 ms 576 KB Output is correct
31 Correct 24 ms 512 KB Output is correct
32 Correct 24 ms 512 KB Output is correct
33 Incorrect 2 ms 256 KB Output isn't correct
34 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 26 ms 576 KB Output is correct
17 Correct 25 ms 512 KB Output is correct
18 Correct 25 ms 512 KB Output is correct
19 Correct 25 ms 512 KB Output is correct
20 Correct 25 ms 512 KB Output is correct
21 Correct 25 ms 512 KB Output is correct
22 Correct 26 ms 512 KB Output is correct
23 Correct 25 ms 556 KB Output is correct
24 Correct 26 ms 512 KB Output is correct
25 Correct 26 ms 584 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 23 ms 576 KB Output is correct
37 Correct 24 ms 484 KB Output is correct
38 Correct 23 ms 512 KB Output is correct
39 Correct 23 ms 512 KB Output is correct
40 Correct 23 ms 512 KB Output is correct
41 Correct 24 ms 576 KB Output is correct
42 Correct 24 ms 512 KB Output is correct
43 Correct 23 ms 512 KB Output is correct
44 Correct 24 ms 512 KB Output is correct
45 Correct 24 ms 576 KB Output is correct
46 Correct 24 ms 512 KB Output is correct
47 Correct 24 ms 512 KB Output is correct
48 Incorrect 2 ms 256 KB Output isn't correct
49 Halted 0 ms 0 KB -