oj.uz

Submission #142667

# Submission time Handle Problem Language Result Execution time Memory
142667 2019-08-10T10:42:58 Z DrumpfTheGodEmperor Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 420 ms 88568 KB 
#include <bits/stdc++.h>
#define bp __builtin_popcountll
#define pb push_back
#define in(s) freopen(s, "r", stdin);
#define out(s) freopen(s, "w", stdout);
#define inout(s, end1, end2) freopen((string(s) + "." + end1).c_str(), "r", stdin),\
		freopen((string(s) + "." + end2).c_str(), "w", stdout);
#define fi first
#define se second
#define bw(i, r, l) for (int i = r - 1; i >= l; i--)
#define fw(i, l, r) for (int i = l; i < r; i++)
#define fa(i, x) for (auto i: x)
using namespace std;
const int mod = 1e9 + 7, inf = 1061109567;
const long long infll = 4557430888798830399;
const int N = 3005;
int n, m, cnti[N], cntRight[N][N], cntDown[N][N];
char a[N][N];
signed main() {
	#ifdef BLU
	in("blu.inp");
	#endif
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cin >> n >> m;
	fw (i, 0, n) fw (j, 0, m) cin >> a[i][j];
	fw (i, 0, n) fw (j, 0, m) {
		if (a[i][j] == 'I') cnti[j]++;
	}
	fw (i, 0, n) {
		int rowCntO = 0;
		fw (j, 0, m) {
			if (a[i][j] == 'O') rowCntO++;
		}
		fw (j, 0, m) {
			if (a[i][j] == 'O') rowCntO--;
			else if (a[i][j] == 'J') {
				cntRight[i][j] = rowCntO;
			}
		}
		fw (j, 0, m) {
			if (a[i][j] == 'I') cnti[j]--;
			if (a[i][j] == 'J') cntDown[i][j] = cnti[j];
		}
	}
	long long ans = 0;
	fw (i, 0, n) {
		fw (j, 0, m) {
			if (a[i][j] == 'J') ans += 1ll * cntDown[i][j] * cntRight[i][j];
		}
	}
	cout << ans;
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1528 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1400 KB Output is correct
8 Correct 3 ms 1528 KB Output is correct
9 Correct 4 ms 1528 KB Output is correct
10 Correct 3 ms 1400 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 4 ms 1528 KB Output is correct
13 Correct 3 ms 1400 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1528 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1400 KB Output is correct
8 Correct 3 ms 1528 KB Output is correct
9 Correct 4 ms 1528 KB Output is correct
10 Correct 3 ms 1400 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 4 ms 1528 KB Output is correct
13 Correct 3 ms 1400 KB Output is correct
14 Correct 16 ms 7544 KB Output is correct
15 Correct 5 ms 4728 KB Output is correct
16 Correct 7 ms 3836 KB Output is correct
17 Correct 2 ms 552 KB Output is correct
18 Correct 19 ms 8056 KB Output is correct
19 Correct 12 ms 7032 KB Output is correct
20 Correct 7 ms 6648 KB Output is correct
21 Correct 21 ms 8028 KB Output is correct
22 Correct 12 ms 7288 KB Output is correct
23 Correct 11 ms 6648 KB Output is correct
24 Correct 17 ms 8056 KB Output is correct
25 Correct 12 ms 7032 KB Output is correct
26 Correct 13 ms 6648 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1528 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 3 ms 1400 KB Output is correct
8 Correct 3 ms 1528 KB Output is correct
9 Correct 4 ms 1528 KB Output is correct
10 Correct 3 ms 1400 KB Output is correct
11 Correct 3 ms 1528 KB Output is correct
12 Correct 4 ms 1528 KB Output is correct
13 Correct 3 ms 1400 KB Output is correct
14 Correct 16 ms 7544 KB Output is correct
15 Correct 5 ms 4728 KB Output is correct
16 Correct 7 ms 3836 KB Output is correct
17 Correct 2 ms 552 KB Output is correct
18 Correct 19 ms 8056 KB Output is correct
19 Correct 12 ms 7032 KB Output is correct
20 Correct 7 ms 6648 KB Output is correct
21 Correct 21 ms 8028 KB Output is correct
22 Correct 12 ms 7288 KB Output is correct
23 Correct 11 ms 6648 KB Output is correct
24 Correct 17 ms 8056 KB Output is correct
25 Correct 12 ms 7032 KB Output is correct
26 Correct 13 ms 6648 KB Output is correct
27 Correct 420 ms 88184 KB Output is correct
28 Correct 21 ms 24696 KB Output is correct
29 Correct 18 ms 5368 KB Output is correct
30 Correct 3 ms 632 KB Output is correct
31 Correct 301 ms 72700 KB Output is correct
32 Correct 276 ms 74488 KB Output is correct
33 Correct 215 ms 65248 KB Output is correct
34 Correct 358 ms 84260 KB Output is correct
35 Correct 252 ms 78072 KB Output is correct
36 Correct 213 ms 65348 KB Output is correct
37 Correct 412 ms 88568 KB Output is correct
38 Correct 173 ms 58288 KB Output is correct
39 Correct 153 ms 50092 KB Output is correct