Submission #996948

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
996948	2024-06-11T13:57:46 Z	coolboy19521	Bitaro the Brave (JOI19_ho_t1)	C++17	50 / 100	1000 ms	77796 KB

joi2019_ho_t1

#include<bits/stdc++.h>

#define int long long

using namespace std;

const int sz = 3e3 + 9;

char a[sz][sz];

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int h, w;
    cin >> h >> w;

    map <int, vector <int>> os, is;
    int r = 0;

    for (int i = 1; i <= h; i ++) {
        for (int j = 1; j <= w; j ++) {
            cin >> a[i][j];

            if ('O' == a[i][j]) {
                os[i].push_back(j);
            } else if ('I' == a[i][j]) {
                is[j].push_back(i);
            }
        }
    }

    for (auto& i : os) {
        sort(begin(i.second), end(i.second));
    }

    for (auto& i : is) {
        sort(begin(i.second), end(i.second));
    }

    for (int i = 1; i <= h; i ++) {
        for (int j = 1; j <= w; j ++) {
            if ('J' == a[i][j]) {
                int oc = os[i].end() - upper_bound(begin(os[i]), end(os[i]), j);
                int ic = is[j].end() - upper_bound(begin(is[j]), end(is[j]), i);
                r += oc * ic;
            }
        }
    }

    cout << r << '\n';
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	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	348 KB	Output is correct
5	Correct	1 ms	2592 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	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	348 KB	Output is correct
5	Correct	1 ms	2592 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	19 ms	4444 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	9 ms	3676 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	26 ms	5276 KB	Output is correct
19	Correct	16 ms	5208 KB	Output is correct
20	Correct	13 ms	4188 KB	Output is correct
21	Correct	26 ms	5272 KB	Output is correct
22	Correct	17 ms	4700 KB	Output is correct
23	Correct	13 ms	4324 KB	Output is correct
24	Correct	28 ms	4696 KB	Output is correct
25	Correct	13 ms	5212 KB	Output is correct
26	Correct	13 ms	4136 KB	Output is correct

Subtask #3

0 / 50.0

#	Verdict	Execution time	Memory	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	348 KB	Output is correct
5	Correct	1 ms	2592 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2652 KB	Output is correct
14	Correct	19 ms	4444 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	9 ms	3676 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	26 ms	5276 KB	Output is correct
19	Correct	16 ms	5208 KB	Output is correct
20	Correct	13 ms	4188 KB	Output is correct
21	Correct	26 ms	5272 KB	Output is correct
22	Correct	17 ms	4700 KB	Output is correct
23	Correct	13 ms	4324 KB	Output is correct
24	Correct	28 ms	4696 KB	Output is correct
25	Correct	13 ms	5212 KB	Output is correct
26	Correct	13 ms	4136 KB	Output is correct
27	Execution timed out	1075 ms	77796 KB	Time limit exceeded
28	Halted	0 ms	0 KB	-