Submission #134424

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
134424	2019-07-22T16:37:21 Z	Boxworld	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	108 ms	18040 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
const int maxN=3010;
int h[maxN],w[maxN];
char s[maxN][maxN];
long long ans=0;
int main(){
	int n,m;
	scanf("%d%d",&n,&m);
	memset(h,0,sizeof(h));
	memset(w,0,sizeof(w));
	for (int i=0;i<n;i++)scanf("%s",s[i]);
	for (int i=n-1;i>=0;i--)
	for (int j=m-1;j>=0;j--){
		if (s[i][j]=='O')h[i]++;
		if (s[i][j]=='I')w[j]++;
		if (s[i][j]=='J')ans+=h[i]*w[j];
	}
	printf("%lld\n",ans);
}

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:12:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=0;i<n;i++)scanf("%s",s[i]);
                       ~~~~~^~~~~~~~~~~

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	2 ms	632 KB	Output is correct
8	Correct	2 ms	632 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	2 ms	632 KB	Output is correct
8	Correct	2 ms	632 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	5 ms	1784 KB	Output is correct
15	Correct	3 ms	1656 KB	Output is correct
16	Correct	3 ms	1144 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	6 ms	1832 KB	Output is correct
19	Correct	5 ms	1784 KB	Output is correct
20	Correct	5 ms	1784 KB	Output is correct
21	Correct	7 ms	2040 KB	Output is correct
22	Correct	5 ms	2040 KB	Output is correct
23	Correct	5 ms	2040 KB	Output is correct
24	Correct	7 ms	2020 KB	Output is correct
25	Correct	5 ms	2040 KB	Output is correct
26	Correct	5 ms	2040 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	2 ms	632 KB	Output is correct
8	Correct	2 ms	632 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	5 ms	1784 KB	Output is correct
15	Correct	3 ms	1656 KB	Output is correct
16	Correct	3 ms	1144 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	6 ms	1832 KB	Output is correct
19	Correct	5 ms	1784 KB	Output is correct
20	Correct	5 ms	1784 KB	Output is correct
21	Correct	7 ms	2040 KB	Output is correct
22	Correct	5 ms	2040 KB	Output is correct
23	Correct	5 ms	2040 KB	Output is correct
24	Correct	7 ms	2020 KB	Output is correct
25	Correct	5 ms	2040 KB	Output is correct
26	Correct	5 ms	2040 KB	Output is correct
27	Correct	104 ms	17556 KB	Output is correct
28	Correct	8 ms	7288 KB	Output is correct
29	Correct	6 ms	1784 KB	Output is correct
30	Correct	2 ms	412 KB	Output is correct
31	Correct	77 ms	13816 KB	Output is correct
32	Correct	55 ms	17912 KB	Output is correct
33	Correct	58 ms	17916 KB	Output is correct
34	Correct	95 ms	15956 KB	Output is correct
35	Correct	63 ms	18040 KB	Output is correct
36	Correct	56 ms	17912 KB	Output is correct
37	Correct	108 ms	18040 KB	Output is correct
38	Correct	42 ms	13892 KB	Output is correct
39	Correct	40 ms	13816 KB	Output is correct