답안 #99023

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
99023	2019-02-28T05:50:45 Z	조승현(#2855, ainta)	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	320 ms	46596 KB

joi2019_ho_t1

#include<cstdio>
#include<algorithm>
char p[3010][3010];
int w[3010][3010];
long long res;
int n, m;
int main() {
	int i, j;
	scanf("%d%d", &n, &m);
	for (i = 1; i <= n; i++) {
		scanf("%s", p[i] + 1);
	}
	for (i = 1; i <= n; i++) {
		int c = 0;
		for (j = m; j >= 1; j--) {
			if (p[i][j] == 'O')c++;
			if (p[i][j] == 'J')w[i][j] = c;
		}
	}
	for (i = 1; i <= m; i++) {
		int c = 0;
		for (j = n; j >= 1; j--) {
			if (p[j][i] == 'I')c++;
			if (p[j][i] == 'J')res += w[j][i] * c;
		}
	}
	printf("%lld\n", res);
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", p[i] + 1);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	1024 KB	Output is correct
6	Correct	3 ms	1024 KB	Output is correct
7	Correct	3 ms	1024 KB	Output is correct
8	Correct	0 ms	1024 KB	Output is correct
9	Correct	3 ms	1024 KB	Output is correct
10	Correct	2 ms	1024 KB	Output is correct
11	Correct	3 ms	1024 KB	Output is correct
12	Correct	3 ms	1024 KB	Output is correct
13	Correct	3 ms	1024 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	1024 KB	Output is correct
6	Correct	3 ms	1024 KB	Output is correct
7	Correct	3 ms	1024 KB	Output is correct
8	Correct	0 ms	1024 KB	Output is correct
9	Correct	3 ms	1024 KB	Output is correct
10	Correct	2 ms	1024 KB	Output is correct
11	Correct	3 ms	1024 KB	Output is correct
12	Correct	3 ms	1024 KB	Output is correct
13	Correct	3 ms	1024 KB	Output is correct
14	Correct	10 ms	4736 KB	Output is correct
15	Correct	4 ms	3200 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	11 ms	4992 KB	Output is correct
19	Correct	9 ms	4480 KB	Output is correct
20	Correct	9 ms	4224 KB	Output is correct
21	Correct	11 ms	4992 KB	Output is correct
22	Correct	8 ms	4608 KB	Output is correct
23	Correct	8 ms	4224 KB	Output is correct
24	Correct	12 ms	5120 KB	Output is correct
25	Correct	8 ms	4480 KB	Output is correct
26	Correct	7 ms	4224 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	1024 KB	Output is correct
6	Correct	3 ms	1024 KB	Output is correct
7	Correct	3 ms	1024 KB	Output is correct
8	Correct	0 ms	1024 KB	Output is correct
9	Correct	3 ms	1024 KB	Output is correct
10	Correct	2 ms	1024 KB	Output is correct
11	Correct	3 ms	1024 KB	Output is correct
12	Correct	3 ms	1024 KB	Output is correct
13	Correct	3 ms	1024 KB	Output is correct
14	Correct	10 ms	4736 KB	Output is correct
15	Correct	4 ms	3200 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	11 ms	4992 KB	Output is correct
19	Correct	9 ms	4480 KB	Output is correct
20	Correct	9 ms	4224 KB	Output is correct
21	Correct	11 ms	4992 KB	Output is correct
22	Correct	8 ms	4608 KB	Output is correct
23	Correct	8 ms	4224 KB	Output is correct
24	Correct	12 ms	5120 KB	Output is correct
25	Correct	8 ms	4480 KB	Output is correct
26	Correct	7 ms	4224 KB	Output is correct
27	Correct	313 ms	46596 KB	Output is correct
28	Correct	17 ms	15872 KB	Output is correct
29	Correct	12 ms	3456 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	224 ms	39032 KB	Output is correct
32	Correct	149 ms	39160 KB	Output is correct
33	Correct	170 ms	34616 KB	Output is correct
34	Correct	241 ms	44920 KB	Output is correct
35	Correct	203 ms	41028 KB	Output is correct
36	Correct	186 ms	34680 KB	Output is correct
37	Correct	320 ms	46328 KB	Output is correct
38	Correct	86 ms	31736 KB	Output is correct
39	Correct	120 ms	27640 KB	Output is correct