답안 #1049441

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1049441	2024-08-08T18:33:45 Z	rainboy	Bring Down the Grading Server (CEOI23_gradingserver)	C	85 / 100	4000 ms	16464 KB

gradingserver

#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 (x2 < c && x1 + y1 * (c - x2) >= c)
		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:44:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |  scanf("%d%d", &c, &t);
      |  ^~~~~~~~~~~~~~~~~~~~~
gradingserver.c:48:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |   scanf("%lld%lld%lld%lld", &x1, &y2, &x2, &y1), x1 -= y1 * c, x2 -= y2 * c;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	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	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 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	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	54 ms	1052 KB	Output is correct
12	Correct	50 ms	1360 KB	Output is correct
13	Correct	43 ms	1104 KB	Output is correct
14	Correct	42 ms	1108 KB	Output is correct
15	Correct	45 ms	1108 KB	Output is correct
16	Correct	50 ms	1108 KB	Output is correct
17	Correct	47 ms	1200 KB	Output is correct
18	Correct	47 ms	1108 KB	Output is correct
19	Correct	47 ms	1104 KB	Output is correct
20	Correct	51 ms	1108 KB	Output is correct
21	Correct	64 ms	1048 KB	Output is correct
22	Correct	47 ms	1052 KB	Output is correct
23	Correct	47 ms	1076 KB	Output is correct
24	Correct	46 ms	1108 KB	Output is correct
25	Correct	48 ms	1108 KB	Output is correct
26	Correct	48 ms	1072 KB	Output is correct
27	Correct	45 ms	1196 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	70 ms	1108 KB	Output is correct
2	Correct	70 ms	1108 KB	Output is correct
3	Correct	74 ms	1064 KB	Output is correct
4	Correct	0 ms	344 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	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	54 ms	1052 KB	Output is correct
12	Correct	50 ms	1360 KB	Output is correct
13	Correct	43 ms	1104 KB	Output is correct
14	Correct	42 ms	1108 KB	Output is correct
15	Correct	45 ms	1108 KB	Output is correct
16	Correct	50 ms	1108 KB	Output is correct
17	Correct	47 ms	1200 KB	Output is correct
18	Correct	47 ms	1108 KB	Output is correct
19	Correct	47 ms	1104 KB	Output is correct
20	Correct	51 ms	1108 KB	Output is correct
21	Correct	64 ms	1048 KB	Output is correct
22	Correct	47 ms	1052 KB	Output is correct
23	Correct	47 ms	1076 KB	Output is correct
24	Correct	46 ms	1108 KB	Output is correct
25	Correct	48 ms	1108 KB	Output is correct
26	Correct	48 ms	1072 KB	Output is correct
27	Correct	45 ms	1196 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	42 ms	1268 KB	Output is correct
30	Correct	51 ms	1272 KB	Output is correct
31	Correct	44 ms	1104 KB	Output is correct
32	Correct	42 ms	1152 KB	Output is correct
33	Correct	45 ms	1104 KB	Output is correct
34	Correct	57 ms	1104 KB	Output is correct
35	Correct	49 ms	1088 KB	Output is correct
36	Correct	41 ms	1104 KB	Output is correct
37	Correct	49 ms	1100 KB	Output is correct
38	Correct	50 ms	1240 KB	Output is correct
39	Correct	56 ms	1108 KB	Output is correct
40	Correct	64 ms	1160 KB	Output is correct
41	Correct	46 ms	1256 KB	Output is correct
42	Correct	52 ms	1108 KB	Output is correct
43	Correct	63 ms	1056 KB	Output is correct
44	Correct	45 ms	1112 KB	Output is correct
45	Correct	49 ms	1116 KB	Output is correct
46	Correct	102 ms	1052 KB	Output is correct
47	Correct	57 ms	1104 KB	Output is correct
48	Correct	111 ms	1108 KB	Output is correct
49	Correct	52 ms	1108 KB	Output is correct
50	Correct	53 ms	1252 KB	Output is correct
51	Correct	69 ms	1140 KB	Output is correct
52	Correct	45 ms	1116 KB	Output is correct
53	Correct	46 ms	1176 KB	Output is correct
54	Correct	45 ms	1284 KB	Output is correct
55	Correct	281 ms	1104 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	54 ms	1052 KB	Output is correct
12	Correct	50 ms	1360 KB	Output is correct
13	Correct	43 ms	1104 KB	Output is correct
14	Correct	42 ms	1108 KB	Output is correct
15	Correct	45 ms	1108 KB	Output is correct
16	Correct	50 ms	1108 KB	Output is correct
17	Correct	47 ms	1200 KB	Output is correct
18	Correct	47 ms	1108 KB	Output is correct
19	Correct	47 ms	1104 KB	Output is correct
20	Correct	51 ms	1108 KB	Output is correct
21	Correct	64 ms	1048 KB	Output is correct
22	Correct	47 ms	1052 KB	Output is correct
23	Correct	47 ms	1076 KB	Output is correct
24	Correct	46 ms	1108 KB	Output is correct
25	Correct	48 ms	1108 KB	Output is correct
26	Correct	48 ms	1072 KB	Output is correct
27	Correct	45 ms	1196 KB	Output is correct
28	Correct	70 ms	1108 KB	Output is correct
29	Correct	70 ms	1108 KB	Output is correct
30	Correct	74 ms	1064 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	70 ms	1108 KB	Output is correct
33	Correct	71 ms	1272 KB	Output is correct
34	Correct	74 ms	1192 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	44 ms	1036 KB	Output is correct
38	Correct	42 ms	1272 KB	Output is correct
39	Correct	44 ms	1252 KB	Output is correct
40	Correct	43 ms	1108 KB	Output is correct
41	Correct	53 ms	1104 KB	Output is correct
42	Correct	58 ms	1104 KB	Output is correct
43	Correct	57 ms	1108 KB	Output is correct
44	Correct	41 ms	1108 KB	Output is correct
45	Correct	46 ms	1268 KB	Output is correct
46	Correct	47 ms	1108 KB	Output is correct
47	Correct	57 ms	1104 KB	Output is correct
48	Correct	47 ms	1212 KB	Output is correct
49	Correct	50 ms	1156 KB	Output is correct
50	Correct	46 ms	1240 KB	Output is correct
51	Correct	50 ms	1160 KB	Output is correct
52	Correct	44 ms	1112 KB	Output is correct
53	Correct	45 ms	1112 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	44 ms	1160 KB	Output is correct
56	Correct	45 ms	1104 KB	Output is correct
57	Correct	72 ms	1104 KB	Output is correct
58	Correct	49 ms	1108 KB	Output is correct
59	Correct	95 ms	1104 KB	Output is correct
60	Correct	73 ms	5716 KB	Output is correct
61	Correct	73 ms	3920 KB	Output is correct
62	Correct	82 ms	7272 KB	Output is correct
63	Correct	76 ms	11604 KB	Output is correct
64	Correct	73 ms	5972 KB	Output is correct
65	Correct	75 ms	8968 KB	Output is correct
66	Correct	309 ms	1620 KB	Output is correct
67	Correct	311 ms	3924 KB	Output is correct
68	Correct	72 ms	9556 KB	Output is correct
69	Correct	83 ms	8468 KB	Output is correct
70	Correct	106 ms	7764 KB	Output is correct
71	Correct	1466 ms	9512 KB	Output is correct
72	Correct	112 ms	6852 KB	Output is correct
73	Correct	1085 ms	7248 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	42 ms	1212 KB	Output is correct
12	Correct	51 ms	1084 KB	Output is correct
13	Correct	62 ms	1232 KB	Output is correct
14	Correct	42 ms	1108 KB	Output is correct
15	Correct	45 ms	1100 KB	Output is correct
16	Correct	44 ms	1176 KB	Output is correct
17	Correct	44 ms	1140 KB	Output is correct
18	Correct	42 ms	1104 KB	Output is correct
19	Correct	64 ms	1176 KB	Output is correct
20	Correct	717 ms	4956 KB	Output is correct
21	Correct	1101 ms	6996 KB	Output is correct
22	Correct	1419 ms	6996 KB	Output is correct
23	Correct	416 ms	9036 KB	Output is correct
24	Correct	453 ms	9040 KB	Output is correct
25	Correct	174 ms	8272 KB	Output is correct
26	Correct	82 ms	9044 KB	Output is correct
27	Correct	1054 ms	7556 KB	Output is correct
28	Correct	2005 ms	8628 KB	Output is correct
29	Correct	839 ms	6204 KB	Output is correct

Subtask #7
0.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	46 ms	1168 KB	Output is correct
3	Correct	44 ms	1108 KB	Output is correct
4	Correct	45 ms	1192 KB	Output is correct
5	Correct	43 ms	1104 KB	Output is correct
6	Correct	44 ms	1104 KB	Output is correct
7	Correct	51 ms	1360 KB	Output is correct
8	Correct	48 ms	1108 KB	Output is correct
9	Correct	41 ms	1248 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	54 ms	1052 KB	Output is correct
12	Correct	50 ms	1360 KB	Output is correct
13	Correct	43 ms	1104 KB	Output is correct
14	Correct	42 ms	1108 KB	Output is correct
15	Correct	45 ms	1108 KB	Output is correct
16	Correct	50 ms	1108 KB	Output is correct
17	Correct	47 ms	1200 KB	Output is correct
18	Correct	47 ms	1108 KB	Output is correct
19	Correct	47 ms	1104 KB	Output is correct
20	Correct	51 ms	1108 KB	Output is correct
21	Correct	64 ms	1048 KB	Output is correct
22	Correct	47 ms	1052 KB	Output is correct
23	Correct	47 ms	1076 KB	Output is correct
24	Correct	46 ms	1108 KB	Output is correct
25	Correct	48 ms	1108 KB	Output is correct
26	Correct	48 ms	1072 KB	Output is correct
27	Correct	45 ms	1196 KB	Output is correct
28	Correct	70 ms	1108 KB	Output is correct
29	Correct	70 ms	1108 KB	Output is correct
30	Correct	74 ms	1064 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	42 ms	1268 KB	Output is correct
34	Correct	51 ms	1272 KB	Output is correct
35	Correct	44 ms	1104 KB	Output is correct
36	Correct	42 ms	1152 KB	Output is correct
37	Correct	45 ms	1104 KB	Output is correct
38	Correct	57 ms	1104 KB	Output is correct
39	Correct	49 ms	1088 KB	Output is correct
40	Correct	41 ms	1104 KB	Output is correct
41	Correct	49 ms	1100 KB	Output is correct
42	Correct	50 ms	1240 KB	Output is correct
43	Correct	56 ms	1108 KB	Output is correct
44	Correct	64 ms	1160 KB	Output is correct
45	Correct	46 ms	1256 KB	Output is correct
46	Correct	52 ms	1108 KB	Output is correct
47	Correct	63 ms	1056 KB	Output is correct
48	Correct	45 ms	1112 KB	Output is correct
49	Correct	49 ms	1116 KB	Output is correct
50	Correct	102 ms	1052 KB	Output is correct
51	Correct	57 ms	1104 KB	Output is correct
52	Correct	111 ms	1108 KB	Output is correct
53	Correct	52 ms	1108 KB	Output is correct
54	Correct	53 ms	1252 KB	Output is correct
55	Correct	69 ms	1140 KB	Output is correct
56	Correct	45 ms	1116 KB	Output is correct
57	Correct	46 ms	1176 KB	Output is correct
58	Correct	45 ms	1284 KB	Output is correct
59	Correct	281 ms	1104 KB	Output is correct
60	Correct	70 ms	1108 KB	Output is correct
61	Correct	71 ms	1272 KB	Output is correct
62	Correct	74 ms	1192 KB	Output is correct
63	Correct	0 ms	344 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	44 ms	1036 KB	Output is correct
66	Correct	42 ms	1272 KB	Output is correct
67	Correct	44 ms	1252 KB	Output is correct
68	Correct	43 ms	1108 KB	Output is correct
69	Correct	53 ms	1104 KB	Output is correct
70	Correct	58 ms	1104 KB	Output is correct
71	Correct	57 ms	1108 KB	Output is correct
72	Correct	41 ms	1108 KB	Output is correct
73	Correct	46 ms	1268 KB	Output is correct
74	Correct	47 ms	1108 KB	Output is correct
75	Correct	57 ms	1104 KB	Output is correct
76	Correct	47 ms	1212 KB	Output is correct
77	Correct	50 ms	1156 KB	Output is correct
78	Correct	46 ms	1240 KB	Output is correct
79	Correct	50 ms	1160 KB	Output is correct
80	Correct	44 ms	1112 KB	Output is correct
81	Correct	45 ms	1112 KB	Output is correct
82	Correct	0 ms	348 KB	Output is correct
83	Correct	44 ms	1160 KB	Output is correct
84	Correct	45 ms	1104 KB	Output is correct
85	Correct	72 ms	1104 KB	Output is correct
86	Correct	49 ms	1108 KB	Output is correct
87	Correct	95 ms	1104 KB	Output is correct
88	Correct	73 ms	5716 KB	Output is correct
89	Correct	73 ms	3920 KB	Output is correct
90	Correct	82 ms	7272 KB	Output is correct
91	Correct	76 ms	11604 KB	Output is correct
92	Correct	73 ms	5972 KB	Output is correct
93	Correct	75 ms	8968 KB	Output is correct
94	Correct	309 ms	1620 KB	Output is correct
95	Correct	311 ms	3924 KB	Output is correct
96	Correct	72 ms	9556 KB	Output is correct
97	Correct	83 ms	8468 KB	Output is correct
98	Correct	106 ms	7764 KB	Output is correct
99	Correct	1466 ms	9512 KB	Output is correct
100	Correct	112 ms	6852 KB	Output is correct
101	Correct	1085 ms	7248 KB	Output is correct
102	Correct	0 ms	344 KB	Output is correct
103	Correct	42 ms	1212 KB	Output is correct
104	Correct	51 ms	1084 KB	Output is correct
105	Correct	62 ms	1232 KB	Output is correct
106	Correct	42 ms	1108 KB	Output is correct
107	Correct	45 ms	1100 KB	Output is correct
108	Correct	44 ms	1176 KB	Output is correct
109	Correct	44 ms	1140 KB	Output is correct
110	Correct	42 ms	1104 KB	Output is correct
111	Correct	64 ms	1176 KB	Output is correct
112	Correct	717 ms	4956 KB	Output is correct
113	Correct	1101 ms	6996 KB	Output is correct
114	Correct	1419 ms	6996 KB	Output is correct
115	Correct	416 ms	9036 KB	Output is correct
116	Correct	453 ms	9040 KB	Output is correct
117	Correct	174 ms	8272 KB	Output is correct
118	Correct	82 ms	9044 KB	Output is correct
119	Correct	1054 ms	7556 KB	Output is correct
120	Correct	2005 ms	8628 KB	Output is correct
121	Correct	839 ms	6204 KB	Output is correct
122	Correct	74 ms	12776 KB	Output is correct
123	Correct	72 ms	12544 KB	Output is correct
124	Correct	74 ms	13648 KB	Output is correct
125	Correct	0 ms	344 KB	Output is correct
126	Correct	0 ms	348 KB	Output is correct
127	Correct	42 ms	4044 KB	Output is correct
128	Correct	58 ms	3920 KB	Output is correct
129	Correct	52 ms	3920 KB	Output is correct
130	Correct	43 ms	3924 KB	Output is correct
131	Correct	45 ms	3924 KB	Output is correct
132	Correct	45 ms	3864 KB	Output is correct
133	Correct	57 ms	3796 KB	Output is correct
134	Correct	43 ms	3920 KB	Output is correct
135	Correct	48 ms	4588 KB	Output is correct
136	Correct	49 ms	4436 KB	Output is correct
137	Correct	57 ms	4752 KB	Output is correct
138	Correct	48 ms	4692 KB	Output is correct
139	Correct	47 ms	4688 KB	Output is correct
140	Correct	51 ms	4356 KB	Output is correct
141	Correct	49 ms	4508 KB	Output is correct
142	Correct	46 ms	4688 KB	Output is correct
143	Correct	45 ms	4432 KB	Output is correct
144	Correct	0 ms	348 KB	Output is correct
145	Correct	44 ms	4888 KB	Output is correct
146	Correct	47 ms	4432 KB	Output is correct
147	Correct	68 ms	5232 KB	Output is correct
148	Correct	54 ms	5668 KB	Output is correct
149	Correct	98 ms	5380 KB	Output is correct
150	Correct	82 ms	12884 KB	Output is correct
151	Correct	75 ms	13060 KB	Output is correct
152	Correct	84 ms	12884 KB	Output is correct
153	Correct	74 ms	13236 KB	Output is correct
154	Correct	79 ms	12628 KB	Output is correct
155	Correct	75 ms	13140 KB	Output is correct
156	Correct	308 ms	5408 KB	Output is correct
157	Correct	302 ms	5408 KB	Output is correct
158	Correct	73 ms	13736 KB	Output is correct
159	Correct	85 ms	12624 KB	Output is correct
160	Correct	101 ms	9296 KB	Output is correct
161	Correct	1494 ms	10064 KB	Output is correct
162	Correct	111 ms	12368 KB	Output is correct
163	Correct	1079 ms	8228 KB	Output is correct
164	Correct	55 ms	5456 KB	Output is correct
165	Correct	54 ms	5712 KB	Output is correct
166	Correct	81 ms	5364 KB	Output is correct
167	Correct	45 ms	4432 KB	Output is correct
168	Correct	285 ms	5752 KB	Output is correct
169	Correct	70 ms	5972 KB	Output is correct
170	Correct	697 ms	6992 KB	Output is correct
171	Correct	1096 ms	6884 KB	Output is correct
172	Correct	1407 ms	7128 KB	Output is correct
173	Correct	423 ms	9040 KB	Output is correct
174	Correct	466 ms	8956 KB	Output is correct
175	Correct	174 ms	9044 KB	Output is correct
176	Correct	78 ms	9040 KB	Output is correct
177	Correct	1094 ms	8532 KB	Output is correct
178	Correct	2000 ms	8652 KB	Output is correct
179	Correct	864 ms	8348 KB	Output is correct
180	Correct	89 ms	12884 KB	Output is correct
181	Correct	75 ms	13392 KB	Output is correct
182	Correct	106 ms	15956 KB	Output is correct
183	Correct	100 ms	16464 KB	Output is correct
184	Correct	80 ms	13908 KB	Output is correct
185	Execution timed out	4070 ms	4688 KB	Time limit exceeded
186	Halted	0 ms	0 KB	-