oj.uz

답안 #889067

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
889067 2023-12-18T18:27:48 Z BBart888 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 246 ms 91460 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN= 3e3 + 11;

using  ll = long long;


int H,W;
string S[MAXN];
int cntI[MAXN][MAXN];
int cntO[MAXN][MAXN];
ll ans;

int main()
{
	cin.tie(0);
	cout.tie(0);
	
	cin >> H >> W;
	
	for(int i = 0;i<H;i++)
	{
		cin>>S[i];
	}
	
	
	for(int i =0;i<H;i++)
	{
		for(int j = 0;j<W;j++)
		{
			cntO[i][j]+=(S[i][j] == 'O');
		}
	}
	
	for(int i =0;i<H;i++)	
	{
		for(int j = W-1;j>=0;j--)
		{
			cntO[i][j]+=(cntO[i][j+1]);
		}
	}
	
	for(int i = H-1;i>=0;i--)
	{
		for(int j =0;j<W;j++)	
		{
			cntI[i][j] = (cntI[i+1][j] + (S[i][j] == 'I'));
		}
	}
	
	
	for(int i = 0;i<H;i++)
	{
		for(int j = 0;j<W;j++)
		{
			if(S[i][j] == 'J')
			{
				//cout<<i<<" "<<j<<" "<<cntI[i][j]<<" "<<cntO[i][j]<<'\n';
				ans+=(cntI[i][j]*cntO[i][j]);
			}
			//cout<<cntI[i][j]<<" ";
			
		}
		
	}
	
	cout<<ans<<'\n';
	
	return 0;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 616 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 3100 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 616 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 3100 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 6 ms 13404 KB Output is correct
15 Correct 2 ms 11300 KB Output is correct
16 Correct 4 ms 7772 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 9 ms 13660 KB Output is correct
19 Correct 6 ms 13404 KB Output is correct
20 Correct 6 ms 13516 KB Output is correct
21 Correct 7 ms 13660 KB Output is correct
22 Correct 6 ms 13404 KB Output is correct
23 Correct 6 ms 13604 KB Output is correct
24 Correct 7 ms 13660 KB Output is correct
25 Correct 7 ms 13500 KB Output is correct
26 Correct 6 ms 13660 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 616 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 3100 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 6 ms 13404 KB Output is correct
15 Correct 2 ms 11300 KB Output is correct
16 Correct 4 ms 7772 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 9 ms 13660 KB Output is correct
19 Correct 6 ms 13404 KB Output is correct
20 Correct 6 ms 13516 KB Output is correct
21 Correct 7 ms 13660 KB Output is correct
22 Correct 6 ms 13404 KB Output is correct
23 Correct 6 ms 13604 KB Output is correct
24 Correct 7 ms 13660 KB Output is correct
25 Correct 7 ms 13500 KB Output is correct
26 Correct 6 ms 13660 KB Output is correct
27 Correct 184 ms 90828 KB Output is correct
28 Correct 7 ms 56408 KB Output is correct
29 Correct 16 ms 9820 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 135 ms 76764 KB Output is correct
32 Correct 246 ms 91172 KB Output is correct
33 Correct 181 ms 91204 KB Output is correct
34 Correct 156 ms 88148 KB Output is correct
35 Correct 169 ms 91228 KB Output is correct
36 Correct 175 ms 91260 KB Output is correct
37 Correct 198 ms 91460 KB Output is correct
38 Correct 121 ms 76804 KB Output is correct
39 Correct 120 ms 76712 KB Output is correct