oj.uz

Submission #99002

# Submission time Handle Problem Language Result Execution time Memory
99002 2019-02-28T05:08:20 Z 크리(#2856, kriii) Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 155 ms 80580 KB 
#include <stdio.h>

int H,W; char S[3030][3030]; int A[3030][3030],B[3030][3030];

int main()
{
	scanf ("%d %d",&H,&W);
	for (int i=0;i<H;i++) scanf ("%s",S[i]);

	long long ans = 0;
	for (int i=H-1;i>=0;i--) for (int j=W-1;j>=0;j--){
		A[i][j] = A[i+1][j];
		B[i][j] = B[i][j+1];
		if (S[i][j] == 'I') A[i][j]++;
		if (S[i][j] == 'O') B[i][j]++;
		if (S[i][j] == 'J') ans += (long long) A[i][j] * B[i][j];
	}

	printf ("%lld\n",ans);

	return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:7:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&H,&W);
  ~~~~~~^~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:8:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=0;i<H;i++) scanf ("%s",S[i]);
                        ~~~~~~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 2 ms 256 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 1536 KB Output is correct
6 Correct 12 ms 1408 KB Output is correct
7 Correct 3 ms 1340 KB Output is correct
8 Correct 4 ms 1516 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1580 KB Output is correct
12 Correct 3 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 2 ms 256 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 1536 KB Output is correct
6 Correct 12 ms 1408 KB Output is correct
7 Correct 3 ms 1340 KB Output is correct
8 Correct 4 ms 1516 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1580 KB Output is correct
12 Correct 3 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct
14 Correct 11 ms 7424 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 6 ms 4224 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 12 ms 7808 KB Output is correct
19 Correct 10 ms 7808 KB Output is correct
20 Correct 12 ms 7808 KB Output is correct
21 Correct 11 ms 7912 KB Output is correct
22 Correct 12 ms 7740 KB Output is correct
23 Correct 10 ms 7680 KB Output is correct
24 Correct 12 ms 7808 KB Output is correct
25 Correct 10 ms 7808 KB Output is correct
26 Correct 9 ms 7736 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 2 ms 256 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 1536 KB Output is correct
6 Correct 12 ms 1408 KB Output is correct
7 Correct 3 ms 1340 KB Output is correct
8 Correct 4 ms 1516 KB Output is correct
9 Correct 3 ms 1408 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1580 KB Output is correct
12 Correct 3 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct
14 Correct 11 ms 7424 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 6 ms 4224 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 12 ms 7808 KB Output is correct
19 Correct 10 ms 7808 KB Output is correct
20 Correct 12 ms 7808 KB Output is correct
21 Correct 11 ms 7912 KB Output is correct
22 Correct 12 ms 7740 KB Output is correct
23 Correct 10 ms 7680 KB Output is correct
24 Correct 12 ms 7808 KB Output is correct
25 Correct 10 ms 7808 KB Output is correct
26 Correct 9 ms 7736 KB Output is correct
27 Correct 154 ms 80468 KB Output is correct
28 Correct 27 ms 26112 KB Output is correct
29 Correct 13 ms 7296 KB Output is correct
30 Correct 2 ms 640 KB Output is correct
31 Correct 120 ms 67192 KB Output is correct
32 Correct 128 ms 80580 KB Output is correct
33 Correct 120 ms 80256 KB Output is correct
34 Correct 137 ms 77768 KB Output is correct
35 Correct 121 ms 80524 KB Output is correct
36 Correct 130 ms 80232 KB Output is correct
37 Correct 155 ms 80496 KB Output is correct
38 Correct 99 ms 67084 KB Output is correct
39 Correct 90 ms 66988 KB Output is correct