oj.uz

Submission #865857

# Submission time Handle Problem Language Result Execution time Memory
865857 2023-10-25T00:36:43 Z phoenix0423 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 181 ms 89684 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
// #pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
const int maxn = 3000 + 5;
const int INF = 1e9;
const double eps = 1e-7;
string s[maxn];
int r[maxn][maxn], d[maxn][maxn];

int main(void){
	fastio;
	int h, w;
	cin>>h>>w;
	for(int i = 0; i < h; i++) cin>>s[i];
	for(int i = 0; i < h; i++){
		int cnt = 0;
		for(int j = w - 1; j >= 0; j--){
			if(s[i][j] == 'O') cnt++;
			if(s[i][j] == 'J') r[i][j] = cnt;
		}
	}
	for(int j = 0; j < w; j++){
		int cnt = 0;
		for(int i = h - 1; i >= 0; i--){
			if(s[i][j] == 'I') cnt++;
			if(s[i][j] == 'J') d[i][j] = cnt;
		}
	}
	ll ans = 0;
	for(int i = 0; i < h; i++){
		for(int j = 0; j < w; j++){
			if(s[i][j] == 'J') ans += r[i][j] * d[i][j];
		}
	}
	cout<<ans<<"\n";
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4660 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4660 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 5 ms 13144 KB Output is correct
15 Correct 2 ms 12888 KB Output is correct
16 Correct 2 ms 8796 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 6 ms 13148 KB Output is correct
19 Correct 2 ms 13148 KB Output is correct
20 Correct 2 ms 13148 KB Output is correct
21 Correct 6 ms 13204 KB Output is correct
22 Correct 3 ms 13148 KB Output is correct
23 Correct 2 ms 13148 KB Output is correct
24 Correct 6 ms 13148 KB Output is correct
25 Correct 3 ms 13148 KB Output is correct
26 Correct 2 ms 13148 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4660 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 5 ms 13144 KB Output is correct
15 Correct 2 ms 12888 KB Output is correct
16 Correct 2 ms 8796 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 6 ms 13148 KB Output is correct
19 Correct 2 ms 13148 KB Output is correct
20 Correct 2 ms 13148 KB Output is correct
21 Correct 6 ms 13204 KB Output is correct
22 Correct 3 ms 13148 KB Output is correct
23 Correct 2 ms 13148 KB Output is correct
24 Correct 6 ms 13148 KB Output is correct
25 Correct 3 ms 13148 KB Output is correct
26 Correct 2 ms 13148 KB Output is correct
27 Correct 169 ms 85588 KB Output is correct
28 Correct 6 ms 53860 KB Output is correct
29 Correct 4 ms 10084 KB Output is correct
30 Correct 1 ms 2656 KB Output is correct
31 Correct 124 ms 74796 KB Output is correct
32 Correct 72 ms 89576 KB Output is correct
33 Correct 58 ms 88924 KB Output is correct
34 Correct 147 ms 85196 KB Output is correct
35 Correct 70 ms 89416 KB Output is correct
36 Correct 56 ms 89012 KB Output is correct
37 Correct 181 ms 89684 KB Output is correct
38 Correct 41 ms 74776 KB Output is correct
39 Correct 38 ms 74880 KB Output is correct