답안 #51792 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51792	2018-06-21T08:02:04 Z	ainta	Bulldozer (JOI17_bulldozer)	C++17	100 / 100	611 ms	31868 KB

bulldozer

#include<cstdio>
#include<algorithm>
#define SZ 2048
using namespace std;
struct point2 {
	int x, y, i, j;
	bool operator<(const point2 &p)const {
		return (long long)y*p.x  != (long long)p.y*x ? (long long)y*p.x < (long long)p.y*x : i!=p.i?i<p.i:j<p.j;
	}
}P[2010000];
struct point {
	int x, y, c;
	bool operator<(const point &p)const {
		return x != p.x ? x < p.x : y < p.y;
	}
}w[2010];
long long res;
int n,cnt, Loc[2010];
struct Tree {
	long long L[SZ + SZ], R[SZ + SZ], S[SZ + SZ], M[SZ + SZ];
	void Put(int a, int b) {
		a += SZ;
		S[a] = b;
		L[a] = R[a] = M[a] = max(0, b);
		while (a != 1) {
			a >>= 1;
			S[a] = S[a + a] + S[a + a + 1];
			L[a] = max(L[a + a], S[a + a] + L[a + a + 1]);
			R[a] = max(R[a + a + 1], S[a + a + 1] + R[a + a]);
			M[a] = max(max(M[a + a], M[a + a + 1]), R[a + a] + L[a + a + 1]);
		}
	}
}T;
int main() {
	int i, j;
	scanf("%d", &n);
	for (i = 1; i <= n; i++) {
		scanf("%d%d%d", &w[i].x, &w[i].y, &w[i].c);
	}
	sort(w + 1, w + n + 1);
	for (i = 1; i < n; i++) {
		for (j = i + 1; j <= n; j++) {
			int dx = w[j].x - w[i].x, dy = w[j].y - w[i].y;
			if (dx < 0 || (dx == 0 && dy < 0))dx = -dx, dy = -dy;
			P[cnt++] = { dx,dy,i,j };
		}
	}
	for (i = 1; i <= n; i++) {
		Loc[i] = i;
		T.Put(i, w[i].c);
	}
	sort(P, P + cnt);
	res = T.M[1];
	for (i = 0; i < cnt; i++) {
		for (j = i; j < cnt; j++) {
			if ((long long)P[i].x*P[j].y != (long long)P[i].y*P[j].x)break;
			int a = P[j].i, b = P[j].j;
			swap(Loc[a], Loc[b]);
			T.Put(Loc[a], w[a].c);
			T.Put(Loc[b], w[b].c);
		}
		res = max(res, T.M[1]);
		i = j - 1;
	}
	printf("%lld\n", res);
}

Compilation message

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
bulldozer.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &w[i].x, &w[i].y, &w[i].c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	444 KB	Output is correct
2	Correct	3 ms	512 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 ms	484 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	3 ms	512 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	380 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	412 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	3 ms	560 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	408 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	504 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct

Subtask #3
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	412 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	3 ms	560 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	408 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	504 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	572 ms	31836 KB	Output is correct
34	Correct	557 ms	31836 KB	Output is correct
35	Correct	598 ms	31792 KB	Output is correct
36	Correct	570 ms	31804 KB	Output is correct
37	Correct	562 ms	31796 KB	Output is correct
38	Correct	552 ms	31804 KB	Output is correct
39	Correct	561 ms	31800 KB	Output is correct
40	Correct	551 ms	31796 KB	Output is correct
41	Correct	556 ms	31800 KB	Output is correct
42	Correct	565 ms	31864 KB	Output is correct
43	Correct	562 ms	31864 KB	Output is correct
44	Correct	585 ms	31800 KB	Output is correct
45	Correct	569 ms	31808 KB	Output is correct
46	Correct	571 ms	31804 KB	Output is correct
47	Correct	611 ms	31792 KB	Output is correct
48	Correct	581 ms	31796 KB	Output is correct
49	Correct	547 ms	31736 KB	Output is correct
50	Correct	545 ms	31796 KB	Output is correct
51	Correct	546 ms	31796 KB	Output is correct
52	Correct	552 ms	31792 KB	Output is correct
53	Correct	578 ms	31800 KB	Output is correct
54	Correct	556 ms	31800 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	412 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	3 ms	560 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	408 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	504 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	572 ms	31836 KB	Output is correct
34	Correct	557 ms	31836 KB	Output is correct
35	Correct	598 ms	31792 KB	Output is correct
36	Correct	570 ms	31804 KB	Output is correct
37	Correct	562 ms	31796 KB	Output is correct
38	Correct	552 ms	31804 KB	Output is correct
39	Correct	561 ms	31800 KB	Output is correct
40	Correct	551 ms	31796 KB	Output is correct
41	Correct	556 ms	31800 KB	Output is correct
42	Correct	565 ms	31864 KB	Output is correct
43	Correct	562 ms	31864 KB	Output is correct
44	Correct	585 ms	31800 KB	Output is correct
45	Correct	569 ms	31808 KB	Output is correct
46	Correct	571 ms	31804 KB	Output is correct
47	Correct	611 ms	31792 KB	Output is correct
48	Correct	581 ms	31796 KB	Output is correct
49	Correct	547 ms	31736 KB	Output is correct
50	Correct	545 ms	31796 KB	Output is correct
51	Correct	546 ms	31796 KB	Output is correct
52	Correct	552 ms	31792 KB	Output is correct
53	Correct	578 ms	31800 KB	Output is correct
54	Correct	556 ms	31800 KB	Output is correct
55	Correct	569 ms	31808 KB	Output is correct
56	Correct	560 ms	31792 KB	Output is correct
57	Correct	573 ms	31792 KB	Output is correct
58	Correct	547 ms	31864 KB	Output is correct
59	Correct	546 ms	31796 KB	Output is correct
60	Correct	557 ms	31792 KB	Output is correct
61	Correct	572 ms	31736 KB	Output is correct
62	Correct	580 ms	31792 KB	Output is correct
63	Correct	565 ms	31864 KB	Output is correct
64	Correct	558 ms	31796 KB	Output is correct
65	Correct	582 ms	31736 KB	Output is correct
66	Correct	590 ms	31736 KB	Output is correct
67	Correct	553 ms	31864 KB	Output is correct
68	Correct	579 ms	31796 KB	Output is correct
69	Correct	549 ms	31796 KB	Output is correct
70	Correct	575 ms	31796 KB	Output is correct
71	Correct	546 ms	31864 KB	Output is correct
72	Correct	558 ms	31796 KB	Output is correct
73	Correct	574 ms	31864 KB	Output is correct
74	Correct	566 ms	31792 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	444 KB	Output is correct
2	Correct	3 ms	512 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	3 ms	484 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	3 ms	512 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	380 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	3 ms	412 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	3 ms	512 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	560 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	2 ms	384 KB	Output is correct
31	Correct	2 ms	408 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	3 ms	512 KB	Output is correct
38	Correct	3 ms	384 KB	Output is correct
39	Correct	3 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	3 ms	384 KB	Output is correct
42	Correct	3 ms	384 KB	Output is correct
43	Correct	3 ms	384 KB	Output is correct
44	Correct	3 ms	384 KB	Output is correct
45	Correct	3 ms	504 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	384 KB	Output is correct
48	Correct	572 ms	31836 KB	Output is correct
49	Correct	557 ms	31836 KB	Output is correct
50	Correct	598 ms	31792 KB	Output is correct
51	Correct	570 ms	31804 KB	Output is correct
52	Correct	562 ms	31796 KB	Output is correct
53	Correct	552 ms	31804 KB	Output is correct
54	Correct	561 ms	31800 KB	Output is correct
55	Correct	551 ms	31796 KB	Output is correct
56	Correct	556 ms	31800 KB	Output is correct
57	Correct	565 ms	31864 KB	Output is correct
58	Correct	562 ms	31864 KB	Output is correct
59	Correct	585 ms	31800 KB	Output is correct
60	Correct	569 ms	31808 KB	Output is correct
61	Correct	571 ms	31804 KB	Output is correct
62	Correct	611 ms	31792 KB	Output is correct
63	Correct	581 ms	31796 KB	Output is correct
64	Correct	547 ms	31736 KB	Output is correct
65	Correct	545 ms	31796 KB	Output is correct
66	Correct	546 ms	31796 KB	Output is correct
67	Correct	552 ms	31792 KB	Output is correct
68	Correct	578 ms	31800 KB	Output is correct
69	Correct	556 ms	31800 KB	Output is correct
70	Correct	569 ms	31808 KB	Output is correct
71	Correct	560 ms	31792 KB	Output is correct
72	Correct	573 ms	31792 KB	Output is correct
73	Correct	547 ms	31864 KB	Output is correct
74	Correct	546 ms	31796 KB	Output is correct
75	Correct	557 ms	31792 KB	Output is correct
76	Correct	572 ms	31736 KB	Output is correct
77	Correct	580 ms	31792 KB	Output is correct
78	Correct	565 ms	31864 KB	Output is correct
79	Correct	558 ms	31796 KB	Output is correct
80	Correct	582 ms	31736 KB	Output is correct
81	Correct	590 ms	31736 KB	Output is correct
82	Correct	553 ms	31864 KB	Output is correct
83	Correct	579 ms	31796 KB	Output is correct
84	Correct	549 ms	31796 KB	Output is correct
85	Correct	575 ms	31796 KB	Output is correct
86	Correct	546 ms	31864 KB	Output is correct
87	Correct	558 ms	31796 KB	Output is correct
88	Correct	574 ms	31864 KB	Output is correct
89	Correct	566 ms	31792 KB	Output is correct
90	Correct	565 ms	31864 KB	Output is correct
91	Correct	598 ms	31736 KB	Output is correct
92	Correct	565 ms	31736 KB	Output is correct
93	Correct	589 ms	31800 KB	Output is correct
94	Correct	547 ms	31864 KB	Output is correct
95	Correct	545 ms	31792 KB	Output is correct
96	Correct	549 ms	31864 KB	Output is correct
97	Correct	566 ms	31792 KB	Output is correct
98	Correct	560 ms	31864 KB	Output is correct
99	Correct	571 ms	31744 KB	Output is correct
100	Correct	452 ms	31792 KB	Output is correct
101	Correct	451 ms	31736 KB	Output is correct
102	Correct	453 ms	31836 KB	Output is correct
103	Correct	458 ms	31736 KB	Output is correct
104	Correct	520 ms	31792 KB	Output is correct
105	Correct	489 ms	31792 KB	Output is correct
106	Correct	489 ms	31864 KB	Output is correct
107	Correct	478 ms	31796 KB	Output is correct
108	Correct	467 ms	31796 KB	Output is correct
109	Correct	492 ms	31796 KB	Output is correct
110	Correct	548 ms	31796 KB	Output is correct
111	Correct	542 ms	31792 KB	Output is correct
112	Correct	560 ms	31796 KB	Output is correct
113	Correct	535 ms	31744 KB	Output is correct
114	Correct	576 ms	31864 KB	Output is correct
115	Correct	551 ms	31796 KB	Output is correct
116	Correct	554 ms	31780 KB	Output is correct
117	Correct	545 ms	31792 KB	Output is correct
118	Correct	542 ms	31792 KB	Output is correct
119	Correct	547 ms	31736 KB	Output is correct
120	Correct	2 ms	384 KB	Output is correct
121	Correct	2 ms	384 KB	Output is correct
122	Correct	562 ms	31804 KB	Output is correct
123	Correct	548 ms	31864 KB	Output is correct
124	Correct	567 ms	31800 KB	Output is correct
125	Correct	567 ms	31864 KB	Output is correct
126	Correct	611 ms	31864 KB	Output is correct
127	Correct	552 ms	31864 KB	Output is correct
128	Correct	545 ms	31800 KB	Output is correct
129	Correct	554 ms	31796 KB	Output is correct
130	Correct	559 ms	31792 KB	Output is correct
131	Correct	559 ms	31736 KB	Output is correct
132	Correct	571 ms	31796 KB	Output is correct
133	Correct	565 ms	31868 KB	Output is correct

답안 #51792

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 20.0 / 20.0

Subtask #3 35.0 / 35.0

Subtask #4 20.0 / 20.0

Subtask #5 20.0 / 20.0

Subtask #1
5.0 / 5.0

Subtask #2
20.0 / 20.0

Subtask #3
35.0 / 35.0

Subtask #4
20.0 / 20.0

Subtask #5
20.0 / 20.0