Submission #1049291

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1049291	2024-08-08T16:00:05 Z	sleepntsheep	Infinite Race (EGOI24_infiniterace2)	C	100 / 100	20 ms	2000 KB

Main

#include <stdio.h>

int sgn(int x) {
  return x < 0 ? -1 : x > 0 ? 1 : 0;
}

int main() {
  int n, q, z = 1;
  scanf("%d%d", &n, &q);

  static int f[200000] = { 0 }, lap[200000] = { 0 };
  for (int x, y, i = 1; i <= q; ++i) {
    scanf("%d", &x);
    y = x * sgn(x);
    if (lap[y] != z) f[y] = 0;

    if (sgn(x) == -1) {
      f[y] = -1;
      lap[y] = z;
    } else {
      if (f[y] == 1)
        ++z;
      lap[y] = z;
      f[y] = 1;
    }
  }

  printf("%d\n", z - 1);

}

Compilation message

Main.c: In function 'main':
Main.c:9:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   scanf("%d%d", &n, &q);
      |   ^~~~~~~~~~~~~~~~~~~~~
Main.c:13:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d", &x);
      |     ^~~~~~~~~~~~~~~

Subtask #1
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	10 ms	432 KB	Output is correct
5	Correct	10 ms	348 KB	Output is correct
6	Correct	10 ms	348 KB	Output is correct
7	Correct	9 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	7 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	8 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	10 ms	424 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	8 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	8 ms	432 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct

Subtask #2
34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	7 ms	428 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	11 ms	1876 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	8 ms	432 KB	Output is correct
8	Correct	8 ms	348 KB	Output is correct
9	Correct	9 ms	432 KB	Output is correct
10	Correct	9 ms	348 KB	Output is correct
11	Correct	9 ms	348 KB	Output is correct
12	Correct	10 ms	464 KB	Output is correct
13	Correct	11 ms	604 KB	Output is correct
14	Correct	14 ms	1884 KB	Output is correct
15	Correct	18 ms	1884 KB	Output is correct
16	Correct	14 ms	1884 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	12 ms	1980 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	13 ms	1988 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct

Subtask #3
22.0 / 22.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	348 KB	Output is correct
21	Correct	348 KB	Output is correct
22	Correct	348 KB	Output is correct
23	Correct	348 KB	Output is correct
24	Correct	348 KB	Output is correct

Subtask #4
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	10 ms	432 KB	Output is correct
5	Correct	10 ms	348 KB	Output is correct
6	Correct	10 ms	348 KB	Output is correct
7	Correct	9 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	7 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	8 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	10 ms	424 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	8 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	8 ms	432 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	7 ms	428 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	11 ms	1876 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	8 ms	432 KB	Output is correct
28	Correct	8 ms	348 KB	Output is correct
29	Correct	9 ms	432 KB	Output is correct
30	Correct	9 ms	348 KB	Output is correct
31	Correct	9 ms	348 KB	Output is correct
32	Correct	10 ms	464 KB	Output is correct
33	Correct	11 ms	604 KB	Output is correct
34	Correct	14 ms	1884 KB	Output is correct
35	Correct	18 ms	1884 KB	Output is correct
36	Correct	14 ms	1884 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	12 ms	1980 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	13 ms	1988 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	344 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	0 ms	348 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	348 KB	Output is correct
67	Correct	0 ms	348 KB	Output is correct
68	Correct	0 ms	348 KB	Output is correct
69	Correct	0 ms	348 KB	Output is correct
70	Correct	0 ms	348 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	9 ms	428 KB	Output is correct
73	Correct	9 ms	432 KB	Output is correct
74	Correct	9 ms	428 KB	Output is correct
75	Correct	8 ms	436 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	7 ms	348 KB	Output is correct
79	Correct	0 ms	348 KB	Output is correct
80	Correct	9 ms	348 KB	Output is correct
81	Correct	0 ms	348 KB	Output is correct
82	Correct	9 ms	344 KB	Output is correct
83	Correct	0 ms	348 KB	Output is correct
84	Correct	8 ms	424 KB	Output is correct
85	Correct	0 ms	348 KB	Output is correct
86	Correct	9 ms	348 KB	Output is correct
87	Correct	0 ms	348 KB	Output is correct
88	Correct	12 ms	1884 KB	Output is correct
89	Correct	0 ms	348 KB	Output is correct
90	Correct	8 ms	348 KB	Output is correct
91	Correct	8 ms	428 KB	Output is correct
92	Correct	9 ms	348 KB	Output is correct
93	Correct	9 ms	428 KB	Output is correct
94	Correct	9 ms	352 KB	Output is correct
95	Correct	10 ms	360 KB	Output is correct
96	Correct	12 ms	820 KB	Output is correct
97	Correct	15 ms	1896 KB	Output is correct
98	Correct	14 ms	1896 KB	Output is correct
99	Correct	14 ms	2000 KB	Output is correct
100	Correct	0 ms	360 KB	Output is correct
101	Correct	0 ms	360 KB	Output is correct
102	Correct	11 ms	1992 KB	Output is correct
103	Correct	0 ms	360 KB	Output is correct
104	Correct	13 ms	1996 KB	Output is correct
105	Correct	0 ms	348 KB	Output is correct
106	Correct	0 ms	348 KB	Output is correct
107	Correct	0 ms	348 KB	Output is correct
108	Correct	0 ms	348 KB	Output is correct
109	Correct	0 ms	348 KB	Output is correct
110	Correct	0 ms	348 KB	Output is correct
111	Correct	0 ms	348 KB	Output is correct
112	Correct	15 ms	1984 KB	Output is correct
113	Correct	12 ms	600 KB	Output is correct
114	Correct	12 ms	1884 KB	Output is correct
115	Correct	11 ms	604 KB	Output is correct
116	Correct	13 ms	1984 KB	Output is correct
117	Correct	0 ms	348 KB	Output is correct
118	Correct	9 ms	428 KB	Output is correct
119	Correct	9 ms	348 KB	Output is correct
120	Correct	9 ms	432 KB	Output is correct
121	Correct	10 ms	348 KB	Output is correct
122	Correct	10 ms	348 KB	Output is correct
123	Correct	11 ms	464 KB	Output is correct
124	Correct	12 ms	604 KB	Output is correct
125	Correct	20 ms	1880 KB	Output is correct
126	Correct	15 ms	1884 KB	Output is correct
127	Correct	15 ms	1988 KB	Output is correct
128	Correct	13 ms	1884 KB	Output is correct
129	Correct	15 ms	1884 KB	Output is correct
130	Correct	0 ms	348 KB	Output is correct
131	Correct	0 ms	344 KB	Output is correct
132	Correct	0 ms	348 KB	Output is correct
133	Correct	0 ms	348 KB	Output is correct
134	Correct	0 ms	348 KB	Output is correct

Submission #1049291

Compilation message

Subtask #1 29.0 / 29.0

Subtask #2 34.0 / 34.0

Subtask #3 22.0 / 22.0

Subtask #4 15.0 / 15.0

Subtask #1
29.0 / 29.0

Subtask #2
34.0 / 34.0

Subtask #3
22.0 / 22.0

Subtask #4
15.0 / 15.0