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답안 #1049437

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1049437 2024-08-08T18:28:12 Z rainboy Bring Down the Grading Server (CEOI23_gradingserver) C
45 / 100
 4000 ms 7504 KB 
#include <stdio.h>
 
long long min(long long a, long long b) { return a < b ? a : b; }
 
int c;
 
int solve(long long x1, long long y1, long long x2, long long y2) {
	long long y;
 
	if (x1 + y1 * c <= 0)
		return 0;
	if (x2 + y2 * c <= 0)
		return 1;
	if (x1 <= 0) {
		if (x2 > 0) {
			if (x2 >= c)
				return 0;
			if (y2 > 0) {
				if (x2 - x1 >= c)
					return 0;
				return !solve(x2, y2, x1 + c, y1 - 1);
			}
			y = -x1 / (c - x2) + 1;
			return y <= y1 && solve(x1 + y * (c - x2), y1 - y, x2, y2);
		} else {
			y = min(-x1 / c + 1, -x2 / c + 1);
			return solve(x1 + y * c, y1 - y, x2 + y * c, y2 - y);
		}
	}
	if (x1 >= x2 && (x1 >= c || y1 > 0))
		return 1;
	if (!solve(x2 - x1, y2, x1, y1))
		return 1;
	if (x2 >= c || y1 == 0)
		return 0;
	return !solve(x2, y2, x1 + c, y1 - 1);
}
 
int main() {
	int t;
 
	scanf("%d%d", &c, &t);
	while (t--) {
		long long x1, y1, x2, y2;
 
		scanf("%lld%lld%lld%lld", &x1, &y2, &x2, &y1), x1 -= y1 * c, x2 -= y2 * c;
		printf(solve(x1, y1, x2, y2) ? "YES\n" : "NO\n");
	}
	return 0;
}

Compilation message

gradingserver.c: In function 'main':
gradingserver.c:42:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  scanf("%d%d", &c, &t);
      |  ^~~~~~~~~~~~~~~~~~~~~
gradingserver.c:46:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |   scanf("%lld%lld%lld%lld", &x1, &y2, &x2, &y1), x1 -= y1 * c, x2 -= y2 * c;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 2704 KB Output is correct
12 Correct 46 ms 2900 KB Output is correct
13 Correct 48 ms 2896 KB Output is correct
14 Correct 44 ms 2896 KB Output is correct
15 Correct 46 ms 2640 KB Output is correct
16 Correct 47 ms 2640 KB Output is correct
17 Correct 47 ms 2644 KB Output is correct
18 Correct 47 ms 2644 KB Output is correct
19 Correct 50 ms 3156 KB Output is correct
20 Correct 55 ms 2900 KB Output is correct
21 Correct 63 ms 3096 KB Output is correct
22 Correct 49 ms 3156 KB Output is correct
23 Correct 60 ms 3152 KB Output is correct
24 Correct 49 ms 2960 KB Output is correct
25 Correct 50 ms 3144 KB Output is correct
26 Correct 54 ms 3412 KB Output is correct
27 Correct 50 ms 3156 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 1156 KB Output is correct
2 Correct 69 ms 1144 KB Output is correct
3 Correct 74 ms 1108 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 2704 KB Output is correct
12 Correct 46 ms 2900 KB Output is correct
13 Correct 48 ms 2896 KB Output is correct
14 Correct 44 ms 2896 KB Output is correct
15 Correct 46 ms 2640 KB Output is correct
16 Correct 47 ms 2640 KB Output is correct
17 Correct 47 ms 2644 KB Output is correct
18 Correct 47 ms 2644 KB Output is correct
19 Correct 50 ms 3156 KB Output is correct
20 Correct 55 ms 2900 KB Output is correct
21 Correct 63 ms 3096 KB Output is correct
22 Correct 49 ms 3156 KB Output is correct
23 Correct 60 ms 3152 KB Output is correct
24 Correct 49 ms 2960 KB Output is correct
25 Correct 50 ms 3144 KB Output is correct
26 Correct 54 ms 3412 KB Output is correct
27 Correct 50 ms 3156 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 54 ms 2644 KB Output is correct
30 Correct 50 ms 2772 KB Output is correct
31 Correct 61 ms 2808 KB Output is correct
32 Correct 47 ms 2704 KB Output is correct
33 Correct 55 ms 2580 KB Output is correct
34 Correct 46 ms 2644 KB Output is correct
35 Correct 47 ms 2644 KB Output is correct
36 Correct 47 ms 2640 KB Output is correct
37 Correct 49 ms 2900 KB Output is correct
38 Correct 60 ms 2964 KB Output is correct
39 Correct 60 ms 3156 KB Output is correct
40 Correct 48 ms 3156 KB Output is correct
41 Correct 49 ms 3152 KB Output is correct
42 Correct 50 ms 2996 KB Output is correct
43 Correct 50 ms 3028 KB Output is correct
44 Correct 49 ms 3156 KB Output is correct
45 Correct 61 ms 3076 KB Output is correct
46 Correct 72 ms 3412 KB Output is correct
47 Correct 55 ms 3652 KB Output is correct
48 Correct 244 ms 3408 KB Output is correct
49 Correct 53 ms 3412 KB Output is correct
50 Correct 54 ms 3328 KB Output is correct
51 Correct 86 ms 3152 KB Output is correct
52 Correct 47 ms 2932 KB Output is correct
53 Correct 73 ms 3148 KB Output is correct
54 Correct 53 ms 2900 KB Output is correct
55 Correct 1279 ms 3728 KB Output is correct

Subtask #4
0.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 2704 KB Output is correct
12 Correct 46 ms 2900 KB Output is correct
13 Correct 48 ms 2896 KB Output is correct
14 Correct 44 ms 2896 KB Output is correct
15 Correct 46 ms 2640 KB Output is correct
16 Correct 47 ms 2640 KB Output is correct
17 Correct 47 ms 2644 KB Output is correct
18 Correct 47 ms 2644 KB Output is correct
19 Correct 50 ms 3156 KB Output is correct
20 Correct 55 ms 2900 KB Output is correct
21 Correct 63 ms 3096 KB Output is correct
22 Correct 49 ms 3156 KB Output is correct
23 Correct 60 ms 3152 KB Output is correct
24 Correct 49 ms 2960 KB Output is correct
25 Correct 50 ms 3144 KB Output is correct
26 Correct 54 ms 3412 KB Output is correct
27 Correct 50 ms 3156 KB Output is correct
28 Correct 72 ms 1156 KB Output is correct
29 Correct 69 ms 1144 KB Output is correct
30 Correct 74 ms 1108 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 78 ms 7504 KB Output is correct
33 Correct 79 ms 6996 KB Output is correct
34 Correct 72 ms 7252 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 44 ms 2696 KB Output is correct
38 Correct 46 ms 2900 KB Output is correct
39 Correct 47 ms 2896 KB Output is correct
40 Correct 45 ms 2896 KB Output is correct
41 Correct 48 ms 2644 KB Output is correct
42 Correct 47 ms 2588 KB Output is correct
43 Correct 48 ms 2396 KB Output is correct
44 Correct 43 ms 2040 KB Output is correct
45 Correct 49 ms 2712 KB Output is correct
46 Correct 58 ms 2320 KB Output is correct
47 Correct 72 ms 2672 KB Output is correct
48 Correct 53 ms 2900 KB Output is correct
49 Correct 53 ms 2260 KB Output is correct
50 Correct 52 ms 1616 KB Output is correct
51 Correct 49 ms 1364 KB Output is correct
52 Correct 50 ms 1620 KB Output is correct
53 Correct 51 ms 2132 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 73 ms 2592 KB Output is correct
56 Correct 53 ms 2740 KB Output is correct
57 Correct 73 ms 5204 KB Output is correct
58 Correct 58 ms 5668 KB Output is correct
59 Correct 240 ms 4260 KB Output is correct
60 Execution timed out 4046 ms 1256 KB Time limit exceeded
61 Halted 0 ms 0 KB -

Subtask #6
0.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 43 ms 1252 KB Output is correct
12 Correct 46 ms 1092 KB Output is correct
13 Correct 46 ms 1104 KB Output is correct
14 Correct 56 ms 1212 KB Output is correct
15 Correct 47 ms 1024 KB Output is correct
16 Correct 47 ms 1224 KB Output is correct
17 Correct 47 ms 1104 KB Output is correct
18 Correct 43 ms 1104 KB Output is correct
19 Correct 481 ms 1032 KB Output is correct
20 Execution timed out 4035 ms 596 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #7
0.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 44 ms 1032 KB Output is correct
3 Correct 46 ms 1108 KB Output is correct
4 Correct 58 ms 1048 KB Output is correct
5 Correct 54 ms 2900 KB Output is correct
6 Correct 63 ms 2896 KB Output is correct
7 Correct 47 ms 2652 KB Output is correct
8 Correct 48 ms 2644 KB Output is correct
9 Correct 43 ms 2600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 2704 KB Output is correct
12 Correct 46 ms 2900 KB Output is correct
13 Correct 48 ms 2896 KB Output is correct
14 Correct 44 ms 2896 KB Output is correct
15 Correct 46 ms 2640 KB Output is correct
16 Correct 47 ms 2640 KB Output is correct
17 Correct 47 ms 2644 KB Output is correct
18 Correct 47 ms 2644 KB Output is correct
19 Correct 50 ms 3156 KB Output is correct
20 Correct 55 ms 2900 KB Output is correct
21 Correct 63 ms 3096 KB Output is correct
22 Correct 49 ms 3156 KB Output is correct
23 Correct 60 ms 3152 KB Output is correct
24 Correct 49 ms 2960 KB Output is correct
25 Correct 50 ms 3144 KB Output is correct
26 Correct 54 ms 3412 KB Output is correct
27 Correct 50 ms 3156 KB Output is correct
28 Correct 72 ms 1156 KB Output is correct
29 Correct 69 ms 1144 KB Output is correct
30 Correct 74 ms 1108 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 54 ms 2644 KB Output is correct
34 Correct 50 ms 2772 KB Output is correct
35 Correct 61 ms 2808 KB Output is correct
36 Correct 47 ms 2704 KB Output is correct
37 Correct 55 ms 2580 KB Output is correct
38 Correct 46 ms 2644 KB Output is correct
39 Correct 47 ms 2644 KB Output is correct
40 Correct 47 ms 2640 KB Output is correct
41 Correct 49 ms 2900 KB Output is correct
42 Correct 60 ms 2964 KB Output is correct
43 Correct 60 ms 3156 KB Output is correct
44 Correct 48 ms 3156 KB Output is correct
45 Correct 49 ms 3152 KB Output is correct
46 Correct 50 ms 2996 KB Output is correct
47 Correct 50 ms 3028 KB Output is correct
48 Correct 49 ms 3156 KB Output is correct
49 Correct 61 ms 3076 KB Output is correct
50 Correct 72 ms 3412 KB Output is correct
51 Correct 55 ms 3652 KB Output is correct
52 Correct 244 ms 3408 KB Output is correct
53 Correct 53 ms 3412 KB Output is correct
54 Correct 54 ms 3328 KB Output is correct
55 Correct 86 ms 3152 KB Output is correct
56 Correct 47 ms 2932 KB Output is correct
57 Correct 73 ms 3148 KB Output is correct
58 Correct 53 ms 2900 KB Output is correct
59 Correct 1279 ms 3728 KB Output is correct
60 Correct 78 ms 7504 KB Output is correct
61 Correct 79 ms 6996 KB Output is correct
62 Correct 72 ms 7252 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 44 ms 2696 KB Output is correct
66 Correct 46 ms 2900 KB Output is correct
67 Correct 47 ms 2896 KB Output is correct
68 Correct 45 ms 2896 KB Output is correct
69 Correct 48 ms 2644 KB Output is correct
70 Correct 47 ms 2588 KB Output is correct
71 Correct 48 ms 2396 KB Output is correct
72 Correct 43 ms 2040 KB Output is correct
73 Correct 49 ms 2712 KB Output is correct
74 Correct 58 ms 2320 KB Output is correct
75 Correct 72 ms 2672 KB Output is correct
76 Correct 53 ms 2900 KB Output is correct
77 Correct 53 ms 2260 KB Output is correct
78 Correct 52 ms 1616 KB Output is correct
79 Correct 49 ms 1364 KB Output is correct
80 Correct 50 ms 1620 KB Output is correct
81 Correct 51 ms 2132 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 73 ms 2592 KB Output is correct
84 Correct 53 ms 2740 KB Output is correct
85 Correct 73 ms 5204 KB Output is correct
86 Correct 58 ms 5668 KB Output is correct
87 Correct 240 ms 4260 KB Output is correct
88 Execution timed out 4046 ms 1256 KB Time limit exceeded
89 Halted 0 ms 0 KB -