oj.uz

Submission #253259

# Submission time Handle Problem Language Result Execution time Memory
253259 2020-07-27T14:38:24 Z doowey JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 14 ms 1816 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)2e5 + 10;
vector<int> lis[3];

int main(){
    fastIO;
    int n, k;
    cin >> n >> k;
    char f;
    int x;
    for(int i = 1; i <= n; i ++ ){
        cin >> f;
        if(f == 'J')
            x = 0;
        else if(f == 'O')
            x = 1;
        else
            x = 2;
        lis[x].push_back(i);
    }
    int nx;
    int pp;
    int shi;
    int fq;
    int en;
    int idx;
    int ans = (int)1e9;
    for(int i = 0 ; i < lis[0].size(); i ++ ){
        if(i + k - 1 < lis[0].size()){
            nx = lis[0][i + k - 1];
            pp = upper_bound(lis[1].begin(), lis[1].end(), nx) - lis[1].begin();
            if(pp + k - 1 < lis[1].size()){
                shi = lis[1][pp + k - 1];
                fq = upper_bound(lis[2].begin(), lis[2].end(), shi) - lis[2].begin();
                if(fq + k - 1 < lis[2].size()){
                    en = lis[2][fq + k - 1];
                    idx = en - lis[0][i] + 1;
                    ans = min(ans, idx-3*k);
                }
            }
        }
    }
    if(ans == (int)1e9)
        cout << -1 << "\n";
    else
        cout << ans << "\n";
    return 0;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:39:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0 ; i < lis[0].size(); i ++ ){
                     ~~^~~~~~~~~~~~~~~
ho_t2.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(i + k - 1 < lis[0].size()){
            ~~~~~~~~~~^~~~~~~~~~~~~~~
ho_t2.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(pp + k - 1 < lis[1].size()){
                ~~~~~~~~~~~^~~~~~~~~~~~~~~
ho_t2.cpp:46:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 if(fq + k - 1 < lis[2].size()){
                    ~~~~~~~~~~~^~~~~~~~~~~~~~~

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 0 ms 384 KB Output is correct
5 Correct 0 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 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 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 0 ms 384 KB Output is correct
5 Correct 0 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 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 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 0 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 0 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 0 ms 384 KB Output is correct
35 Correct 0 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 0 ms 384 KB Output is correct
5 Correct 0 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 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 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 0 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 0 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 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 12 ms 1400 KB Output is correct
37 Correct 14 ms 1656 KB Output is correct
38 Correct 14 ms 1768 KB Output is correct
39 Correct 13 ms 1784 KB Output is correct
40 Correct 11 ms 1752 KB Output is correct
41 Correct 12 ms 1768 KB Output is correct
42 Correct 13 ms 1656 KB Output is correct
43 Correct 9 ms 1272 KB Output is correct
44 Correct 8 ms 1384 KB Output is correct
45 Correct 11 ms 1676 KB Output is correct
46 Correct 10 ms 1656 KB Output is correct
47 Correct 10 ms 1816 KB Output is correct
48 Correct 10 ms 1784 KB Output is correct
49 Correct 10 ms 1152 KB Output is correct
50 Correct 10 ms 1780 KB Output is correct
51 Correct 10 ms 1784 KB Output is correct
52 Correct 7 ms 1628 KB Output is correct
53 Correct 7 ms 1528 KB Output is correct
54 Correct 7 ms 1788 KB Output is correct
55 Correct 6 ms 1788 KB Output is correct
56 Correct 6 ms 1804 KB Output is correct