oj.uz

Submission #206213

# Submission time Handle Problem Language Result Execution time Memory
206213 2020-03-02T17:18:06 Z combi1k1 JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 76 ms 3012 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll  long long
#define X   first
#define Y   second

#define all(x)  x.begin(),x.end()
#define sz(x)   (int)x.size()

#define pb      emplace_back
#define endl    "\n"

const ll    inf = 1e18;
const int   N   = 2e5 + 5;

typedef pair<int,int>   ii;

int c[N][3];

int main()  {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int n, k;   cin >> n >> k;
    string S;   cin >> S;

    S = "#" + S;

    for(int i = 1 ; i <= n ; ++i)   {
        c[i][0] = c[i - 1][0] + (S[i] == 'J');
        c[i][1] = c[i - 1][1] + (S[i] == 'O');
        c[i][2] = c[i - 1][2] + (S[i] == 'I');
    }

    int ans = 1e9 + 7;

    for(int i = 1 ; i <= n ; ++i)   {
        int p = i;
        for(int j = 0 ; j < 3 ; ++j)    {
            int l = p;
            int r = n + 1;

            while  (l < r)  {
                int m = l + r >> 1;

                if (c[m][j] - c[p - 1][j] >= k)
                    r = m;
                else
                    l = m + 1;
            }
            p = l;
        }
        if (p <= n)
            ans = min(ans,p + 1 - 3 * k - i);
    }
    if (ans == 1e9 + 7)
        ans = -1;

    cout << ans << endl;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:46:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                 int m = l + r >> 1;
                         ~~^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 372 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 372 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 26 ms 2764 KB Output is correct
37 Correct 44 ms 3004 KB Output is correct
38 Correct 28 ms 3008 KB Output is correct
39 Correct 34 ms 3008 KB Output is correct
40 Correct 28 ms 3008 KB Output is correct
41 Correct 32 ms 3008 KB Output is correct
42 Correct 76 ms 3012 KB Output is correct
43 Correct 22 ms 2168 KB Output is correct
44 Correct 20 ms 2412 KB Output is correct
45 Correct 24 ms 3008 KB Output is correct
46 Correct 25 ms 3012 KB Output is correct
47 Correct 27 ms 3008 KB Output is correct
48 Correct 32 ms 3008 KB Output is correct
49 Correct 20 ms 2176 KB Output is correct
50 Correct 25 ms 3008 KB Output is correct
51 Correct 32 ms 3004 KB Output is correct
52 Correct 27 ms 2888 KB Output is correct
53 Correct 19 ms 3008 KB Output is correct
54 Correct 20 ms 3008 KB Output is correct
55 Correct 16 ms 3004 KB Output is correct
56 Correct 20 ms 3008 KB Output is correct