oj.uz

Submission #969588

# Submission time Handle Problem Language Result Execution time Memory
969588 2024-04-25T10:38:47 Z Amaarsaa Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 539 ms 134232 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long ;
vector < ll > O[3002], I[3002];
vector < pair < ll, ll > > J;
ll A[3003][3003];
int main() {
//	freopen("moocast.in", "r", stdin);
//	freopen("moocast.out", "w", stdout);
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	ll t, n, m, ans, s, sum, x, y, r, p, i, j;

	cin >> n >> m;
	

	
	for (i = 1; i <= n; i ++) {
		string str;
		cin >> str;
		for (j = 1; j <= m; j ++) {
			if ( str[j - 1] == 'O') {
				O[i].push_back(j);
			}
			if ( str[j - 1] == 'I') {
				I[j].push_back(i);
			}
			if ( str[j - 1] == 'J') {
				J.push_back({i, j});
			}
		}
	}
	ans = 0;
	for ( pair < ll, ll>&P : J) {
		x = P.first;
		y = P.second;
		r = (upper_bound(I[y].begin(), I[y].end(), x) - I[y].begin());
		r = I[y].size() - r;
		s = upper_bound(O[x].begin(), O[x].end(), y) - O[x].begin();
		s = O[x].size() - s;
		ans = ans + (r * s);
	}
	cout << ans << endl;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:13:5: warning: unused variable 't' [-Wunused-variable]
   13 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |     ^
joi2019_ho_t1.cpp:13:22: warning: unused variable 'sum' [-Wunused-variable]
   13 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                      ^~~
joi2019_ho_t1.cpp:13:36: warning: unused variable 'p' [-Wunused-variable]
   13 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                                    ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 9 ms 3280 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 3 ms 2392 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 11 ms 4816 KB Output is correct
19 Correct 4 ms 3412 KB Output is correct
20 Correct 5 ms 3600 KB Output is correct
21 Correct 11 ms 5068 KB Output is correct
22 Correct 6 ms 4064 KB Output is correct
23 Correct 5 ms 3480 KB Output is correct
24 Correct 11 ms 4048 KB Output is correct
25 Correct 4 ms 3536 KB Output is correct
26 Correct 5 ms 3348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 9 ms 3280 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 3 ms 2392 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 11 ms 4816 KB Output is correct
19 Correct 4 ms 3412 KB Output is correct
20 Correct 5 ms 3600 KB Output is correct
21 Correct 11 ms 5068 KB Output is correct
22 Correct 6 ms 4064 KB Output is correct
23 Correct 5 ms 3480 KB Output is correct
24 Correct 11 ms 4048 KB Output is correct
25 Correct 4 ms 3536 KB Output is correct
26 Correct 5 ms 3348 KB Output is correct
27 Correct 447 ms 116660 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 15 ms 9672 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 321 ms 82916 KB Output is correct
32 Correct 159 ms 105640 KB Output is correct
33 Correct 231 ms 121708 KB Output is correct
34 Correct 376 ms 117916 KB Output is correct
35 Correct 274 ms 119344 KB Output is correct
36 Correct 233 ms 120568 KB Output is correct
37 Correct 539 ms 134232 KB Output is correct
38 Correct 103 ms 72560 KB Output is correct
39 Correct 173 ms 88480 KB Output is correct