답안 #716591

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
716591	2023-03-30T13:21:57 Z	Arturgo	Homework (CEOI22_homework)	C++14	100 / 100	261 ms	149508 KB

Main

#include <bits/stdc++.h>
using namespace std;

struct Vertex {
	int type, l, r;
};

int root = -1;
vector<Vertex> vertices;

int N = 0;

int parse() {
	char car, useless;
	cin >> car;
	
	if(car == '?') {
		int id = vertices.size();
		vertices.push_back({0, -1, -1});
		N++;
		return id;
	}
	
	cin >> car;
	cin >> car;
	cin >> useless;
	int l = parse();
	cin >> useless;
	int r = parse();
	
	cin >> useless;
	int id = vertices.size();
	
	if(car == 'x') {
		vertices.push_back({1, l, r});
	}
	else {
		vertices.push_back({-1, l, r});
	}
	
	return id;
}

struct Ans {
	int lx_l, lx_g, gx_l, gx_g;
};

Ans dyn_ans[2000 * 1000];

Ans calcule_ans(int v) {
	Ans a;
	
	if(vertices[v].type == 0) {
		a = {1, 0, 0, 1};
	}
	else {
		Ans ans_l = calcule_ans(vertices[v].l);
		Ans ans_r = calcule_ans(vertices[v].r);
		
		if(vertices[v].type == 1) {
			a = {
				ans_l.lx_l + ans_r.lx_l,
				ans_l.lx_g + ans_r.lx_g,
				min(ans_l.gx_l, ans_r.gx_l),
				min(ans_l.gx_g, ans_r.gx_g)
			};
		} else {
			a = {
				min(ans_l.lx_l, ans_r.lx_l),
				min(ans_l.lx_g, ans_r.lx_g),
				ans_l.gx_l + ans_r.gx_l,
				ans_l.gx_g + ans_r.gx_g
			};
		}
	}
	
	return dyn_ans[v] = a;
}

/*void debug(int root) {
	if(vertices[root].type == 0) {
		cerr << "?";
		return;
	}
	
	if(vertices[root].type == 1) cerr << "max";
	else cerr << "min";
	
	cerr << "{";
	cerr << dyn_ans[root].lx_l << ",";
	cerr << dyn_ans[root].lx_g << ",";
	cerr << dyn_ans[root].gx_l << ",";
	cerr << dyn_ans[root].gx_g;
	cerr << "}";
	
	cerr << "(";
	debug(vertices[root].l);
	cerr << ",";
	debug(vertices[root].r);
	cerr << ")";
}*/

vector<pair<int, int>> inters;

void gen_inters(int v, int a = 0, int b = 0) {
	if(vertices[v].type == 0) {
		inters.push_back({a, N - b});
	}
	else {
		if(vertices[v].type == 1) {
			gen_inters(
				vertices[v].l,
				a + dyn_ans[vertices[v].r].lx_l,
				b + dyn_ans[vertices[v].r].lx_g
			);
			gen_inters(
				vertices[v].r,
				a + dyn_ans[vertices[v].l].lx_l,
				b + dyn_ans[vertices[v].l].lx_g
			);
		} else {
			gen_inters(
				vertices[v].l,
				a + dyn_ans[vertices[v].r].gx_l,
				b + dyn_ans[vertices[v].r].gx_g
			);
			gen_inters(
				vertices[v].r,
				a + dyn_ans[vertices[v].l].gx_l,
				b + dyn_ans[vertices[v].l].gx_g
			);
		}
	}
}


int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	
	root = parse();
	calcule_ans(root);
	
	gen_inters(root);
	
	vector<int> vals(N + 1, 0);
	
	for(pair<int, int> inter : inters) {
		vals[inter.first]++;
		vals[inter.second]--;
	}
	
	int sum = 0;
	int nbPossibles = 0;
	
	for(int i = 0;i < N;i++) {
		sum += vals[i];
		if(sum > 0) nbPossibles++;
	}
	
	cout << nbPossibles << endl;
	
	return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	0 ms	212 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	0 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	244 ms	149404 KB	Output is correct
2	Correct	252 ms	149440 KB	Output is correct
3	Correct	252 ms	149508 KB	Output is correct
4	Correct	252 ms	149344 KB	Output is correct
5	Correct	251 ms	149508 KB	Output is correct
6	Correct	245 ms	149324 KB	Output is correct
7	Correct	252 ms	149452 KB	Output is correct
8	Correct	245 ms	149436 KB	Output is correct
9	Correct	240 ms	149364 KB	Output is correct
10	Correct	246 ms	149436 KB	Output is correct
11	Correct	244 ms	149428 KB	Output is correct
12	Correct	245 ms	149392 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	0 ms	212 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	0 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	340 KB	Output is correct
65	Correct	1 ms	340 KB	Output is correct
66	Correct	1 ms	340 KB	Output is correct
67	Correct	1 ms	340 KB	Output is correct
68	Correct	1 ms	340 KB	Output is correct
69	Correct	1 ms	340 KB	Output is correct
70	Correct	1 ms	340 KB	Output is correct
71	Correct	1 ms	340 KB	Output is correct
72	Correct	1 ms	468 KB	Output is correct
73	Correct	1 ms	468 KB	Output is correct
74	Correct	1 ms	468 KB	Output is correct
75	Correct	1 ms	468 KB	Output is correct
76	Correct	1 ms	468 KB	Output is correct
77	Correct	1 ms	340 KB	Output is correct
78	Correct	1 ms	340 KB	Output is correct
79	Correct	1 ms	340 KB	Output is correct
80	Correct	1 ms	340 KB	Output is correct
81	Correct	1 ms	340 KB	Output is correct
82	Correct	1 ms	340 KB	Output is correct
83	Correct	1 ms	340 KB	Output is correct
84	Correct	1 ms	340 KB	Output is correct
85	Correct	1 ms	340 KB	Output is correct
86	Correct	1 ms	212 KB	Output is correct

Subtask #5
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	0 ms	212 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	0 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Correct	244 ms	149404 KB	Output is correct
58	Correct	252 ms	149440 KB	Output is correct
59	Correct	252 ms	149508 KB	Output is correct
60	Correct	252 ms	149344 KB	Output is correct
61	Correct	251 ms	149508 KB	Output is correct
62	Correct	245 ms	149324 KB	Output is correct
63	Correct	252 ms	149452 KB	Output is correct
64	Correct	245 ms	149436 KB	Output is correct
65	Correct	240 ms	149364 KB	Output is correct
66	Correct	246 ms	149436 KB	Output is correct
67	Correct	244 ms	149428 KB	Output is correct
68	Correct	245 ms	149392 KB	Output is correct
69	Correct	0 ms	212 KB	Output is correct
70	Correct	1 ms	340 KB	Output is correct
71	Correct	1 ms	340 KB	Output is correct
72	Correct	1 ms	340 KB	Output is correct
73	Correct	1 ms	340 KB	Output is correct
74	Correct	1 ms	340 KB	Output is correct
75	Correct	1 ms	340 KB	Output is correct
76	Correct	1 ms	340 KB	Output is correct
77	Correct	1 ms	340 KB	Output is correct
78	Correct	1 ms	340 KB	Output is correct
79	Correct	1 ms	340 KB	Output is correct
80	Correct	1 ms	340 KB	Output is correct
81	Correct	1 ms	340 KB	Output is correct
82	Correct	1 ms	340 KB	Output is correct
83	Correct	1 ms	340 KB	Output is correct
84	Correct	1 ms	340 KB	Output is correct
85	Correct	1 ms	468 KB	Output is correct
86	Correct	1 ms	468 KB	Output is correct
87	Correct	1 ms	468 KB	Output is correct
88	Correct	1 ms	468 KB	Output is correct
89	Correct	1 ms	468 KB	Output is correct
90	Correct	1 ms	340 KB	Output is correct
91	Correct	1 ms	340 KB	Output is correct
92	Correct	1 ms	340 KB	Output is correct
93	Correct	1 ms	340 KB	Output is correct
94	Correct	1 ms	340 KB	Output is correct
95	Correct	1 ms	340 KB	Output is correct
96	Correct	1 ms	340 KB	Output is correct
97	Correct	1 ms	340 KB	Output is correct
98	Correct	1 ms	340 KB	Output is correct
99	Correct	1 ms	212 KB	Output is correct
100	Correct	235 ms	71196 KB	Output is correct
101	Correct	223 ms	71280 KB	Output is correct
102	Correct	217 ms	71140 KB	Output is correct
103	Correct	199 ms	71116 KB	Output is correct
104	Correct	199 ms	71252 KB	Output is correct
105	Correct	229 ms	97236 KB	Output is correct
106	Correct	215 ms	97212 KB	Output is correct
107	Correct	217 ms	97232 KB	Output is correct
108	Correct	205 ms	97216 KB	Output is correct
109	Correct	216 ms	97220 KB	Output is correct
110	Correct	221 ms	71100 KB	Output is correct
111	Correct	202 ms	71120 KB	Output is correct
112	Correct	213 ms	71108 KB	Output is correct
113	Correct	207 ms	71120 KB	Output is correct
114	Correct	204 ms	71112 KB	Output is correct
115	Correct	254 ms	149404 KB	Output is correct
116	Correct	250 ms	149424 KB	Output is correct
117	Correct	259 ms	149332 KB	Output is correct
118	Correct	242 ms	149492 KB	Output is correct
119	Correct	261 ms	149420 KB	Output is correct
120	Correct	201 ms	71184 KB	Output is correct
121	Correct	198 ms	71180 KB	Output is correct
122	Correct	250 ms	71104 KB	Output is correct
123	Correct	204 ms	71204 KB	Output is correct
124	Correct	215 ms	110328 KB	Output is correct
125	Correct	210 ms	110292 KB	Output is correct
126	Correct	225 ms	110268 KB	Output is correct
127	Correct	214 ms	110252 KB	Output is correct
128	Correct	117 ms	37148 KB	Output is correct
129	Correct	107 ms	37172 KB	Output is correct
130	Correct	105 ms	37144 KB	Output is correct
131	Correct	0 ms	212 KB	Output is correct

답안 #716591

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 13.0 / 13.0

Subtask #3 13.0 / 13.0

Subtask #4 30.0 / 30.0

Subtask #5 34.0 / 34.0

Subtask #1
10.0 / 10.0

Subtask #2
13.0 / 13.0

Subtask #3
13.0 / 13.0

Subtask #4
30.0 / 30.0

Subtask #5
34.0 / 34.0