답안 #294567

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
294567	2020-09-09T05:18:27 Z	linear00000	Guess the number (BOI20_guess)	C++14	100 / 100	1 ms	384 KB

Guess

#include<stdio.h>
main() {int N,s,e,m,a;scanf("%d",&N);s=1,e=N;
while(s<=e){
m=(s+e)/2;
printf("? %d\n",m);
fflush(stdout);
scanf("%d",&a);
if(a<0)s=m+1;
else if(a>0)e=m-1;
else break;
}
printf("= %d\n", m);
return 0;
}

Compilation message

Guess.cpp:2:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main() {int N,s,e,m,a;scanf("%d",&N);s=1,e=N;
      |      ^
Guess.cpp: In function 'int main()':
Guess.cpp:2:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    2 | main() {int N,s,e,m,a;scanf("%d",&N);s=1,e=N;
      |                       ~~~~~^~~~~~~~~
Guess.cpp:7:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    7 | scanf("%d",&a);
      | ~~~~~^~~~~~~~~

Subtask #1
29.0 / 29.0

#	결과	메모리	Grader output
1	Correct	256 KB	Output is correct
2	Correct	256 KB	Output is correct
3	Correct	256 KB	Output is correct
4	Correct	256 KB	Output is correct
5	Correct	256 KB	Output is correct
6	Correct	256 KB	Output is correct
7	Correct	256 KB	Output is correct
8	Correct	256 KB	Output is correct
9	Correct	256 KB	Output is correct
10	Correct	384 KB	Output is correct
11	Correct	256 KB	Output is correct
12	Correct	256 KB	Output is correct
13	Correct	256 KB	Output is correct
14	Correct	256 KB	Output is correct
15	Correct	256 KB	Output is correct
16	Correct	256 KB	Output is correct
17	Correct	256 KB	Output is correct
18	Correct	256 KB	Output is correct
19	Correct	256 KB	Output is correct
20	Correct	256 KB	Output is correct
21	Correct	256 KB	Output is correct
22	Correct	256 KB	Output is correct
23	Correct	256 KB	Output is correct
24	Correct	256 KB	Output is correct
25	Correct	256 KB	Output is correct
26	Correct	256 KB	Output is correct
27	Correct	256 KB	Output is correct
28	Correct	256 KB	Output is correct
29	Correct	256 KB	Output is correct
30	Correct	256 KB	Output is correct
31	Correct	256 KB	Output is correct
32	Correct	256 KB	Output is correct
33	Correct	256 KB	Output is correct
34	Correct	256 KB	Output is correct
35	Correct	256 KB	Output is correct
36	Correct	256 KB	Output is correct
37	Correct	256 KB	Output is correct
38	Correct	256 KB	Output is correct
39	Correct	256 KB	Output is correct
40	Correct	256 KB	Output is correct
41	Correct	256 KB	Output is correct
42	Correct	256 KB	Output is correct
43	Correct	256 KB	Output is correct
44	Correct	256 KB	Output is correct

Subtask #2
71.0 / 71.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	0 ms	256 KB	Output is correct
18	Correct	0 ms	256 KB	Output is correct
19	Correct	0 ms	256 KB	Output is correct
20	Correct	0 ms	256 KB	Output is correct
21	Correct	0 ms	256 KB	Output is correct
22	Correct	0 ms	256 KB	Output is correct
23	Correct	0 ms	256 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	0 ms	256 KB	Output is correct
26	Correct	0 ms	256 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	0 ms	256 KB	Output is correct
29	Correct	0 ms	256 KB	Output is correct
30	Correct	0 ms	256 KB	Output is correct
31	Correct	0 ms	256 KB	Output is correct
32	Correct	0 ms	256 KB	Output is correct
33	Correct	0 ms	256 KB	Output is correct
34	Correct	0 ms	256 KB	Output is correct
35	Correct	0 ms	256 KB	Output is correct
36	Correct	0 ms	256 KB	Output is correct
37	Correct	0 ms	256 KB	Output is correct
38	Correct	0 ms	256 KB	Output is correct
39	Correct	0 ms	256 KB	Output is correct
40	Correct	0 ms	256 KB	Output is correct
41	Correct	0 ms	256 KB	Output is correct
42	Correct	0 ms	256 KB	Output is correct
43	Correct	0 ms	256 KB	Output is correct
44	Correct	0 ms	256 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	1 ms	256 KB	Output is correct
47	Correct	1 ms	256 KB	Output is correct
48	Correct	0 ms	256 KB	Output is correct
49	Correct	0 ms	256 KB	Output is correct
50	Correct	0 ms	256 KB	Output is correct
51	Correct	0 ms	256 KB	Output is correct
52	Correct	0 ms	256 KB	Output is correct
53	Correct	0 ms	256 KB	Output is correct
54	Correct	1 ms	256 KB	Output is correct
55	Correct	1 ms	256 KB	Output is correct
56	Correct	0 ms	256 KB	Output is correct
57	Correct	1 ms	256 KB	Output is correct
58	Correct	1 ms	256 KB	Output is correct
59	Correct	0 ms	256 KB	Output is correct
60	Correct	1 ms	256 KB	Output is correct
61	Correct	1 ms	256 KB	Output is correct
62	Correct	1 ms	256 KB	Output is correct
63	Correct	1 ms	256 KB	Output is correct
64	Correct	1 ms	256 KB	Output is correct
65	Correct	0 ms	256 KB	Output is correct
66	Correct	1 ms	256 KB	Output is correct
67	Correct	0 ms	256 KB	Output is correct
68	Correct	1 ms	256 KB	Output is correct
69	Correct	0 ms	256 KB	Output is correct
70	Correct	1 ms	256 KB	Output is correct
71	Correct	0 ms	256 KB	Output is correct
72	Correct	1 ms	256 KB	Output is correct
73	Correct	0 ms	256 KB	Output is correct
74	Correct	1 ms	256 KB	Output is correct
75	Correct	1 ms	256 KB	Output is correct
76	Correct	0 ms	256 KB	Output is correct
77	Correct	0 ms	256 KB	Output is correct
78	Correct	0 ms	256 KB	Output is correct
79	Correct	1 ms	256 KB	Output is correct
80	Correct	0 ms	256 KB	Output is correct
81	Correct	1 ms	256 KB	Output is correct
82	Correct	1 ms	256 KB	Output is correct
83	Correct	1 ms	256 KB	Output is correct
84	Correct	0 ms	256 KB	Output is correct
85	Correct	1 ms	256 KB	Output is correct
86	Correct	1 ms	256 KB	Output is correct
87	Correct	1 ms	256 KB	Output is correct
88	Correct	1 ms	256 KB	Output is correct
89	Correct	1 ms	256 KB	Output is correct
90	Correct	1 ms	256 KB	Output is correct
91	Correct	1 ms	256 KB	Output is correct
92	Correct	0 ms	256 KB	Output is correct
93	Correct	1 ms	256 KB	Output is correct
94	Correct	1 ms	256 KB	Output is correct
95	Correct	1 ms	256 KB	Output is correct
96	Correct	1 ms	256 KB	Output is correct
97	Correct	1 ms	256 KB	Output is correct
98	Correct	1 ms	256 KB	Output is correct
99	Correct	1 ms	256 KB	Output is correct
100	Correct	1 ms	256 KB	Output is correct
101	Correct	1 ms	256 KB	Output is correct
102	Correct	1 ms	256 KB	Output is correct
103	Correct	1 ms	256 KB	Output is correct
104	Correct	1 ms	256 KB	Output is correct
105	Correct	1 ms	256 KB	Output is correct
106	Correct	1 ms	256 KB	Output is correct
107	Correct	1 ms	256 KB	Output is correct
108	Correct	1 ms	256 KB	Output is correct
109	Correct	1 ms	256 KB	Output is correct

답안 #294567

Compilation message

Subtask #1 29.0 / 29.0

Subtask #2 71.0 / 71.0

Subtask #1
29.0 / 29.0

Subtask #2
71.0 / 71.0