Submission #913485

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
913485	2024-01-20T08:06:24 Z	prefixorsuuffiixx	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	246 ms	150708 KB

joi2019_ho_t1

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

#define int long long

const int maxx = 3010;

int shemsh[maxx][maxx] , goi[maxx][maxx] , javaher[maxx][maxx];
char s[maxx][maxx];

signed main()
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	int n , m;
	cin>>n>>m;
	for(int i = 1 ; i <= n ; i++){
		for(int j = 1 ; j <= m ; j++){
			cin>>s[i][j];
		}
	}
	for(int j = 1 ; j <= m ; j++){
		for(int i = n ; i >= 1 ; i--){
			javaher[i][j] = javaher[i+1][j];
			if(s[i][j] == 'I')javaher[i][j]++;
		}
	}

	for(int i = 1 ; i <= n ; i++){
		for(int j = m ;j >= 1 ; j--){
			shemsh[i][j] = shemsh[i][j+1];
			if(s[i][j] == 'O')shemsh[i][j]++;
		}
	}
	int ans = 0;
	for(int i = 1 ; i <= n ; i++){
		for(int j = 1 ; j <= m ; j++){
			if(s[i][j] == 'J'){
				ans+=shemsh[i][j] * javaher[i][j];
			}
		}
	}
	
	cout<<ans;
		
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	2 ms	5212 KB	Output is correct
6	Correct	2 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	2 ms	5212 KB	Output is correct
9	Correct	2 ms	5212 KB	Output is correct
10	Correct	2 ms	5212 KB	Output is correct
11	Correct	2 ms	5368 KB	Output is correct
12	Correct	2 ms	5208 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	2 ms	5212 KB	Output is correct
6	Correct	2 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	2 ms	5212 KB	Output is correct
9	Correct	2 ms	5212 KB	Output is correct
10	Correct	2 ms	5212 KB	Output is correct
11	Correct	2 ms	5368 KB	Output is correct
12	Correct	2 ms	5208 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	8 ms	16988 KB	Output is correct
15	Correct	4 ms	14680 KB	Output is correct
16	Correct	6 ms	10844 KB	Output is correct
17	Correct	1 ms	600 KB	Output is correct
18	Correct	9 ms	17500 KB	Output is correct
19	Correct	9 ms	17500 KB	Output is correct
20	Correct	8 ms	17244 KB	Output is correct
21	Correct	11 ms	17500 KB	Output is correct
22	Correct	9 ms	17500 KB	Output is correct
23	Correct	9 ms	17252 KB	Output is correct
24	Correct	10 ms	17496 KB	Output is correct
25	Correct	9 ms	17340 KB	Output is correct
26	Correct	8 ms	17360 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	2 ms	5212 KB	Output is correct
6	Correct	2 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	2 ms	5212 KB	Output is correct
9	Correct	2 ms	5212 KB	Output is correct
10	Correct	2 ms	5212 KB	Output is correct
11	Correct	2 ms	5368 KB	Output is correct
12	Correct	2 ms	5208 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	8 ms	16988 KB	Output is correct
15	Correct	4 ms	14680 KB	Output is correct
16	Correct	6 ms	10844 KB	Output is correct
17	Correct	1 ms	600 KB	Output is correct
18	Correct	9 ms	17500 KB	Output is correct
19	Correct	9 ms	17500 KB	Output is correct
20	Correct	8 ms	17244 KB	Output is correct
21	Correct	11 ms	17500 KB	Output is correct
22	Correct	9 ms	17500 KB	Output is correct
23	Correct	9 ms	17252 KB	Output is correct
24	Correct	10 ms	17496 KB	Output is correct
25	Correct	9 ms	17340 KB	Output is correct
26	Correct	8 ms	17360 KB	Output is correct
27	Correct	243 ms	150708 KB	Output is correct
28	Correct	17 ms	72180 KB	Output is correct
29	Correct	16 ms	15196 KB	Output is correct
30	Correct	2 ms	860 KB	Output is correct
31	Correct	186 ms	126944 KB	Output is correct
32	Correct	240 ms	150672 KB	Output is correct
33	Correct	243 ms	150124 KB	Output is correct
34	Correct	221 ms	145768 KB	Output is correct
35	Correct	218 ms	150592 KB	Output is correct
36	Correct	210 ms	150148 KB	Output is correct
37	Correct	246 ms	150612 KB	Output is correct
38	Correct	160 ms	126544 KB	Output is correct
39	Correct	190 ms	126548 KB	Output is correct