oj.uz

Submission #840449

# Submission time Handle Problem Language Result Execution time Memory
840449 2023-08-31T11:38:12 Z denniskim Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 323 ms 159320 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef __int128 lll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cout << fixed; cout.precision(10);
#define sp << " "
#define en << "\n"
#define compress(v) sort(v.begin(), v.end()), v.erase(unique(v.begin(), v.end()), v.end())

ll n, m;
char a[3010][3010];
ll O[3010][3010], I[3100][3010];
ll ans;

int main(void)
{
	fastio
	
	cin >> n >> m;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = 1 ; j <= m ; j++)
			cin >> a[i][j];
	}
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = m ; j >= 1 ; j--)
		{
			O[i][j] = O[i][j + 1];
			
			if(a[i][j] == 'O')
				O[i][j]++;
		}
	}
	
	for(ll j = 1 ; j <= m ; j++)
	{
		for(ll i = n ; i >= 1 ; i--)
		{
			I[i][j] = I[i + 1][j];
			
			if(a[i][j] == 'I')
				I[i][j]++;
		}
	}
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = 1 ; j <= m ; j++)
		{
			if(a[i][j] == 'J')
				ans += I[i][j] * O[i][j];
		}
	}
	
	cout << ans;
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1360 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1360 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 11 ms 8916 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 4 ms 5240 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 11 ms 10016 KB Output is correct
19 Correct 10 ms 9804 KB Output is correct
20 Correct 7 ms 9812 KB Output is correct
21 Correct 9 ms 9940 KB Output is correct
22 Correct 11 ms 9812 KB Output is correct
23 Correct 10 ms 9684 KB Output is correct
24 Correct 12 ms 9972 KB Output is correct
25 Correct 8 ms 9812 KB Output is correct
26 Correct 8 ms 9796 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1360 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 11 ms 8916 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 4 ms 5240 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 11 ms 10016 KB Output is correct
19 Correct 10 ms 9804 KB Output is correct
20 Correct 7 ms 9812 KB Output is correct
21 Correct 9 ms 9940 KB Output is correct
22 Correct 11 ms 9812 KB Output is correct
23 Correct 10 ms 9684 KB Output is correct
24 Correct 12 ms 9972 KB Output is correct
25 Correct 8 ms 9812 KB Output is correct
26 Correct 8 ms 9796 KB Output is correct
27 Correct 323 ms 158772 KB Output is correct
28 Correct 12 ms 26324 KB Output is correct
29 Correct 21 ms 13912 KB Output is correct
30 Correct 1 ms 724 KB Output is correct
31 Correct 227 ms 131536 KB Output is correct
32 Correct 291 ms 159244 KB Output is correct
33 Correct 286 ms 158788 KB Output is correct
34 Correct 237 ms 152604 KB Output is correct
35 Correct 275 ms 159260 KB Output is correct
36 Correct 298 ms 158796 KB Output is correct
37 Correct 320 ms 159320 KB Output is correct
38 Correct 210 ms 130820 KB Output is correct
39 Correct 197 ms 131024 KB Output is correct