답안 #121269

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
121269	2019-06-26T09:31:27 Z	onjo0127	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	558 ms	85704 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;

char A[3009][3009];
int O[3009][3009], I[3009][3009];

int main() {
	int H, W; scanf("%d%d",&H,&W);
	for(int i=1; i<=H; i++) {
		for(int j=1; j<=W; j++) {
			scanf(" %c", &A[i][j]);
			O[i][j] = O[i][j-1];
			I[i][j] = I[i-1][j];
			if(A[i][j] == 'O') ++O[i][j];
			if(A[i][j] == 'I') ++I[i][j];
		}
	}
	long long ans = 0;
	for(int i=1; i<=H; i++) {
		for(int j=1; j<=W; j++) {
			if(A[i][j] == 'J') ans += 1LL * (O[i][W] - O[i][j]) * (I[H][j] - I[i][j]);
		}
	}
	printf("%lld", ans);
	return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:8:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int H, W; scanf("%d%d",&H,&W);
            ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t1.cpp:11:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c", &A[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 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	512 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	3 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 ms	1408 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 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	512 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	3 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 ms	1408 KB	Output is correct
14	Correct	19 ms	7480 KB	Output is correct
15	Correct	6 ms	4992 KB	Output is correct
16	Correct	11 ms	4352 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	27 ms	8056 KB	Output is correct
19	Correct	19 ms	7936 KB	Output is correct
20	Correct	19 ms	7936 KB	Output is correct
21	Correct	23 ms	7928 KB	Output is correct
22	Correct	21 ms	7928 KB	Output is correct
23	Correct	21 ms	7868 KB	Output is correct
24	Correct	22 ms	8064 KB	Output is correct
25	Correct	20 ms	7932 KB	Output is correct
26	Correct	19 ms	7936 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 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	512 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	3 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 ms	1408 KB	Output is correct
14	Correct	19 ms	7480 KB	Output is correct
15	Correct	6 ms	4992 KB	Output is correct
16	Correct	11 ms	4352 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	27 ms	8056 KB	Output is correct
19	Correct	19 ms	7936 KB	Output is correct
20	Correct	19 ms	7936 KB	Output is correct
21	Correct	23 ms	7928 KB	Output is correct
22	Correct	21 ms	7928 KB	Output is correct
23	Correct	21 ms	7868 KB	Output is correct
24	Correct	22 ms	8064 KB	Output is correct
25	Correct	20 ms	7932 KB	Output is correct
26	Correct	19 ms	7936 KB	Output is correct
27	Correct	538 ms	85616 KB	Output is correct
28	Correct	34 ms	26104 KB	Output is correct
29	Correct	46 ms	7772 KB	Output is correct
30	Correct	3 ms	640 KB	Output is correct
31	Correct	410 ms	72252 KB	Output is correct
32	Correct	547 ms	85380 KB	Output is correct
33	Correct	495 ms	85188 KB	Output is correct
34	Correct	488 ms	82920 KB	Output is correct
35	Correct	542 ms	85368 KB	Output is correct
36	Correct	480 ms	85200 KB	Output is correct
37	Correct	558 ms	85704 KB	Output is correct
38	Correct	359 ms	72432 KB	Output is correct
39	Correct	340 ms	72120 KB	Output is correct