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Submission #384276

# Submission time Handle Problem Language Result Execution time Memory
384276 2021-04-01T05:27:43 Z Drew_ Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 239 ms 88684 KB 
#include <iostream>
using namespace std;

#define ll long long

const int MAX = 3007;

char s[MAX][MAX];
int ingot[MAX][MAX];
int orb[MAX][MAX];

int main()
{
	ios :: sync_with_stdio(0);
	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];
			
			ingot[i][j] = (s[i][j] == 'I');
			orb[i][j] = (s[i][j] == 'O');

			ingot[i][j] += ingot[i-1][j];
			orb[i][j] += orb[i][j-1];
		}
	}

	ll res = 0;
	for (int i = 1; i <= n; ++i)
	{
		for (int j = 1; j <= m; ++j)
		{
			if (s[i][j] == 'J')
			{
				res += 1LL * (orb[i][m] - orb[i][j-1]) * (ingot[n][j] - ingot[i-1][j]);
			}
		}
	}

	cout << res << '\n';
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1388 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1388 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 9 ms 7532 KB Output is correct
15 Correct 4 ms 4972 KB Output is correct
16 Correct 6 ms 4332 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 11 ms 8044 KB Output is correct
19 Correct 10 ms 7916 KB Output is correct
20 Correct 11 ms 7916 KB Output is correct
21 Correct 11 ms 8044 KB Output is correct
22 Correct 10 ms 7916 KB Output is correct
23 Correct 10 ms 7916 KB Output is correct
24 Correct 11 ms 8044 KB Output is correct
25 Correct 9 ms 7916 KB Output is correct
26 Correct 10 ms 7916 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1388 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 9 ms 7532 KB Output is correct
15 Correct 4 ms 4972 KB Output is correct
16 Correct 6 ms 4332 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 11 ms 8044 KB Output is correct
19 Correct 10 ms 7916 KB Output is correct
20 Correct 11 ms 7916 KB Output is correct
21 Correct 11 ms 8044 KB Output is correct
22 Correct 10 ms 7916 KB Output is correct
23 Correct 10 ms 7916 KB Output is correct
24 Correct 11 ms 8044 KB Output is correct
25 Correct 9 ms 7916 KB Output is correct
26 Correct 10 ms 7916 KB Output is correct
27 Correct 233 ms 88172 KB Output is correct
28 Correct 17 ms 26092 KB Output is correct
29 Correct 20 ms 7788 KB Output is correct
30 Correct 2 ms 620 KB Output is correct
31 Correct 169 ms 72716 KB Output is correct
32 Correct 198 ms 88684 KB Output is correct
33 Correct 196 ms 88556 KB Output is correct
34 Correct 195 ms 84396 KB Output is correct
35 Correct 203 ms 88556 KB Output is correct
36 Correct 196 ms 88300 KB Output is correct
37 Correct 239 ms 88556 KB Output is correct
38 Correct 147 ms 72684 KB Output is correct
39 Correct 143 ms 72380 KB Output is correct