Submission #359084

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
359084	2021-01-26T10:37:56 Z	jesus_coconut	Tower Defense (CEOI19_towerdefense)	C++17	53 / 100	1 ms	512 KB

towerdefense

#include <bits/stdc++.h>

using namespace std;

using pii = pair<int, int>;

pii s, t;
int d;

void read() {
	cin >> s.first >> s.second;
	cin >> t.first >> t.second;
	cin >> d;
}

int dist(pii s, pii t) {
	return abs(s.first - t.first) + abs(s.second - t.second);
}

void solve() {
	read();
	int dd = d - dist(s, t);
	if (dd == 0) {
		cout << 0 << '\n';
	} else if (dd < 0 || dd % 2 || (dist(s, t) == 2 && abs(s.first - t.first) == 1) || dist(s, t) == 1) {
		cout << "impossible\n";
	} else {
		vector<pair<int, int>> ans;
		if (abs(s.first - t.first) > 1) {
			int x = t.first + (s.first - t.first) / abs(s.first - t.first);
			for (int i = min(s.second, t.second); i <= max(s.second, t.second); ++i) {
				ans.emplace_back(x, i);
			}
			dd -= 2;
			int mn = min(s.second, t.second) - 1;
			int mx = max(s.second, t.second) + 1;
			while (dd > 0) {
				ans.emplace_back(x, mn);
				ans.emplace_back(x, mx);
				dd -= 2;
				--mn;
				++mx;
			}
		} else {
			int y = t.second + (s.second - t.second) / abs(s.second - t.second);
			for (int i = min(s.first, t.first); i <= max(s.first, t.first); ++i) {
				ans.emplace_back(i, y);
			}
			dd -= 2;
			int mn = min(s.first, t.first) - 1;
			int mx = max(s.first, t.first) + 1;
			while (dd > 0) {
				ans.emplace_back(mn, y);
				ans.emplace_back(mx, y);
				dd -= 2;
				--mn;
				++mx;
			}
		}
		cout << ans.size() << '\n';
		for (auto &[a, b] : ans) cout << a << ' ' << b << '\n';
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	solve();

	return 0;
}

Subtask #1
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct

Subtask #2
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	0 ms	364 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct

Subtask #3
0 / 47.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	0 ms	364 KB	Output is correct
29	Correct	0 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	512 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	492 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	364 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct
58	Correct	1 ms	364 KB	Output is correct
59	Correct	1 ms	364 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	1 ms	364 KB	Output is correct
62	Correct	1 ms	364 KB	Output is correct
63	Correct	1 ms	364 KB	Output is correct
64	Correct	1 ms	364 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	0 ms	364 KB	Output is correct
67	Correct	1 ms	364 KB	Output is correct
68	Correct	1 ms	364 KB	Output is correct
69	Correct	1 ms	364 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	1 ms	364 KB	Output is correct
72	Correct	1 ms	364 KB	Output is correct
73	Correct	1 ms	364 KB	Output is correct
74	Correct	1 ms	364 KB	Output is correct
75	Correct	1 ms	364 KB	Output is correct
76	Correct	1 ms	364 KB	Output is correct
77	Correct	1 ms	364 KB	Output is correct
78	Correct	1 ms	364 KB	Output is correct
79	Correct	1 ms	364 KB	Output is correct
80	Correct	1 ms	364 KB	Output is correct
81	Correct	1 ms	364 KB	Output is correct
82	Correct	1 ms	364 KB	Output is correct
83	Correct	1 ms	364 KB	Output is correct
84	Correct	1 ms	364 KB	Output is correct
85	Correct	1 ms	364 KB	Output is correct
86	Correct	1 ms	364 KB	Output is correct
87	Correct	1 ms	364 KB	Output is correct
88	Correct	1 ms	364 KB	Output is correct
89	Correct	1 ms	364 KB	Output is correct
90	Correct	1 ms	364 KB	Output is correct
91	Correct	1 ms	364 KB	Output is correct
92	Correct	1 ms	364 KB	Output is correct
93	Correct	1 ms	392 KB	Output is correct
94	Correct	1 ms	364 KB	Output is correct
95	Correct	1 ms	364 KB	Output is correct
96	Correct	1 ms	364 KB	Output is correct
97	Correct	1 ms	364 KB	Output is correct
98	Correct	1 ms	364 KB	Output is correct
99	Correct	1 ms	364 KB	Output is correct
100	Correct	1 ms	364 KB	Output is correct
101	Correct	1 ms	364 KB	Output is correct
102	Correct	1 ms	364 KB	Output is correct
103	Correct	1 ms	364 KB	Output is correct
104	Correct	1 ms	364 KB	Output is correct
105	Correct	1 ms	364 KB	Output is correct
106	Correct	1 ms	364 KB	Output is correct
107	Correct	1 ms	364 KB	Output is correct
108	Correct	1 ms	364 KB	Output is correct
109	Correct	1 ms	364 KB	Output is correct
110	Correct	1 ms	364 KB	Output is correct
111	Correct	1 ms	364 KB	Output is correct
112	Correct	1 ms	364 KB	Output is correct
113	Correct	1 ms	364 KB	Output is correct
114	Correct	1 ms	364 KB	Output is correct
115	Correct	1 ms	364 KB	Output is correct
116	Correct	1 ms	364 KB	Output is correct
117	Correct	1 ms	364 KB	Output is correct
118	Correct	1 ms	364 KB	Output is correct
119	Correct	1 ms	364 KB	Output is correct
120	Correct	1 ms	364 KB	Output is correct
121	Correct	1 ms	364 KB	Output is correct
122	Correct	1 ms	364 KB	Output is correct
123	Correct	1 ms	364 KB	Output is correct
124	Correct	1 ms	364 KB	Output is correct
125	Correct	1 ms	364 KB	Output is correct
126	Correct	1 ms	364 KB	Output is correct
127	Correct	1 ms	364 KB	Output is correct
128	Correct	1 ms	364 KB	Output is correct
129	Correct	1 ms	492 KB	Output is correct
130	Incorrect	1 ms	364 KB	Expected integer, but "impossible" found
131	Halted	0 ms	0 KB	-

Submission #359084

Compilation message

Subtask #1 25.0 / 25.0

Subtask #2 28.0 / 28.0

Subtask #3 0 / 47.0

Subtask #1
25.0 / 25.0

Subtask #2
28.0 / 28.0

Subtask #3
0 / 47.0