oj.uz

Submission #535741

# Submission time Handle Problem Language Result Execution time Memory
535741 2022-03-11T05:30:41 Z abc864197532 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 33 ms 2052 KB 
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define mp make_pair
#define eb emplace_back
#define pb push_back
#define pii pair<int,int>
#define X first
#define Y second
#define all(x) x.begin(), x.end()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T i, U ...j) {
	cout << i << ' ', abc(j...);
}
template <typename T> void printv(T l, T r) {
	for (; l != r; ++l)
		cout << *l << " \n"[l + 1 == r];
}
#ifdef Doludu
#define test(x...) abc("[" + string(#x) + "]", x)
#define owo freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define test(x...) void(0)
#define owo ios::sync_with_stdio(false), cin.tie(0)
#endif

int main () {
	owo;
	int n, k;
	string s;
	cin >> n >> k >> s;
	vector <int> pos[3];
	for (int i = 0; i < n; ++i) {
		if (s[i] == 'J')
			pos[0].pb(i);
		else if (s[i] == 'O')
			pos[1].pb(i);
		else
			pos[2].pb(i);
	}
	int ans = 1 << 30;
	for (int i = 0; i < n; ++i) {
		int now = i;
		for (int j : {0, 1, 2}) {
			auto it = lower_bound(all(pos[j]), now) - pos[j].begin() + k - 1;
			if (it < pos[j].size())
				now = pos[j][it];
			else {
				now = n;
				break;
			}
		}
		if (now < n)
			ans = min(ans, now - i + 1);
	}
	cout << (ans == 1 << 30 ? -1 : ans - k * 3) << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:46:11: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |    if (it < pos[j].size())
      |        ~~~^~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 288 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 27 ms 1672 KB Output is correct
37 Correct 33 ms 1884 KB Output is correct
38 Correct 32 ms 1964 KB Output is correct
39 Correct 27 ms 1988 KB Output is correct
40 Correct 20 ms 1980 KB Output is correct
41 Correct 23 ms 1912 KB Output is correct
42 Correct 26 ms 1816 KB Output is correct
43 Correct 12 ms 1268 KB Output is correct
44 Correct 15 ms 1460 KB Output is correct
45 Correct 19 ms 2008 KB Output is correct
46 Correct 24 ms 2052 KB Output is correct
47 Correct 21 ms 2008 KB Output is correct
48 Correct 22 ms 2008 KB Output is correct
49 Correct 13 ms 1328 KB Output is correct
50 Correct 19 ms 1996 KB Output is correct
51 Correct 18 ms 1996 KB Output is correct
52 Correct 10 ms 1488 KB Output is correct
53 Correct 12 ms 1740 KB Output is correct
54 Correct 11 ms 2012 KB Output is correct
55 Correct 9 ms 2012 KB Output is correct
56 Correct 8 ms 2012 KB Output is correct