oj.uz

Submission #99023

# Submission time Handle Problem Language Result Execution time Memory
99023 2019-02-28T05:50:45 Z 조승현(#2855, ainta) Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 320 ms 46596 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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