oj.uz

Submission #293129

# Submission time Handle Problem Language Result Execution time Memory
293129 2020-09-07T16:40:14 Z Hehehe JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 8 ms 5704 KB 
#include<bits/stdc++.h> //:3
using namespace std;
typedef long long ll;
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define pi pair<int, int>
#define sz(x) (int)((x).size())
#define int long long

const int dx[] = {0, 1, 0, -1};
const int dy[] = {1, 0, -1, 0};

const ll inf = 2e9;
const ll mod = 1e9 + 7;
const int N = 2e5 + 11;
const int X = 1e6;
const ll INF64 = 3e18 + 1;
const double eps = 1e-14;
const double PI = acos(-1);

//ifstream in(".in");
//ofstream out(".out");

int n, k, J[N], O[N], I[N];

void solve(){

    cin >> n >> k;

    string s;
    cin >> s;;

    s = '/' + s;

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

    int j = 1, o = 1, i = 1, ans = n + 1;

    for(int l = 1; l <= n; l++){

        while(j <= n && (J[j] - J[l - 1]) < k){
            j++;
        }

        if(j == n + 1)break;

        while(o <= n && (O[o] - O[j]) < k){
            o++;
        }

        if(o == n + 1)break;

        while(i <= n && (I[i] - I[o]) < k){
            i++;
        }

        if(i == n + 1)break;

        ans = min(ans, i - l + 1 - 3*k);
        //cout << i << ' ' << j << ' ' << i - l << '\n';
    }

    if(ans == n + 1)cout << "-1" << '\n';else cout << ans << '\n';

}

int32_t main(){
ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);

    //cout << setprecision(6) << fixed;

    int T = 1;
    //cin >> T;
    while(T--){
        solve();
    }
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 7 ms 5204 KB Output is correct
37 Correct 8 ms 5576 KB Output is correct
38 Correct 8 ms 5576 KB Output is correct
39 Correct 7 ms 5576 KB Output is correct
40 Correct 5 ms 5576 KB Output is correct
41 Correct 7 ms 5576 KB Output is correct
42 Correct 8 ms 5576 KB Output is correct
43 Correct 3 ms 3712 KB Output is correct
44 Correct 4 ms 4468 KB Output is correct
45 Correct 5 ms 5576 KB Output is correct
46 Correct 5 ms 5576 KB Output is correct
47 Correct 5 ms 5576 KB Output is correct
48 Correct 6 ms 5576 KB Output is correct
49 Correct 3 ms 3848 KB Output is correct
50 Correct 6 ms 5704 KB Output is correct
51 Correct 5 ms 5576 KB Output is correct
52 Correct 5 ms 5328 KB Output is correct
53 Correct 5 ms 5576 KB Output is correct
54 Correct 5 ms 5576 KB Output is correct
55 Correct 5 ms 5576 KB Output is correct
56 Correct 5 ms 5576 KB Output is correct