oj.uz

Submission #940340

# Submission time Handle Problem Language Result Execution time Memory
940340 2024-03-07T08:15:58 Z JakobZorz JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 6 ms 3304 KB 
#include<iostream>
#include<vector>
#include<queue>
#include<stack>
#include<algorithm>
#include<limits.h>
#include<math.h>
#include<map>
#include<set>
#include<unordered_map>
#include<unordered_set>
#include<iomanip>
#include<cstring>
#include<random>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
using namespace std;

int n,k;
string str;
int dpj[200001];
int dpo[200001];
int dpi[200001];

void fill(char c,int*dp){
    dp[n]=n;
    int r=0;
    int cnt=k;
    while(r<n){
        if(str[r]==c)
            cnt--;
        if(cnt==0)
            break;
        r++;
    }
    for(int l=0;l<n;l++){
        if(l&&str[l-1]==c&&r!=n){
            r++;
            while(r<n&&str[r]!=c)
                r++;
        }
        dp[l]=r;
    }
}

void solve(){
    cin>>n>>k>>str;
    fill('J',dpj);
    fill('O',dpo);
    fill('I',dpi);
    
    /*for(int i=0;i<n;i++)
        cout<<dpj[i]<<" ";
    cout<<"\n";
    for(int i=0;i<n;i++)
        cout<<dpo[i]<<" ";
    cout<<"\n";
    for(int i=0;i<n;i++)
        cout<<dpi[i]<<" ";
    cout<<"\n";*/
    
    int res=1e9;
    for(int i=0;i<n;i++){
        int r=dpi[dpo[dpj[i]]];
        //cout<<i<<" "<<r<<"\n";
        if(r!=n){
            res=min(res,r-i+1-3*k);
        }
    }
    if(res==1e9)
        res=-1;
    cout<<res<<"\n";
}

int main(){
    ios::sync_with_stdio(false);cout.tie(NULL);cin.tie(NULL);
    //freopen("/Users/jakob/cp_testing/test.txt","r",stdin);freopen("output.out","w",stdout);
    int t=1;//cin>>t;
    while(t--)solve();
    return 0;
}

/*


 
 */

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2512 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2512 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2512 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2512 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2512 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2512 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2512 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 4 ms 3048 KB Output is correct
37 Correct 4 ms 3304 KB Output is correct
38 Correct 4 ms 3300 KB Output is correct
39 Correct 5 ms 3304 KB Output is correct
40 Correct 5 ms 3288 KB Output is correct
41 Correct 5 ms 3296 KB Output is correct
42 Correct 6 ms 3304 KB Output is correct
43 Correct 3 ms 3032 KB Output is correct
44 Correct 4 ms 3048 KB Output is correct
45 Correct 5 ms 3300 KB Output is correct
46 Correct 5 ms 3304 KB Output is correct
47 Correct 5 ms 3304 KB Output is correct
48 Correct 5 ms 3304 KB Output is correct
49 Correct 4 ms 3048 KB Output is correct
50 Correct 5 ms 3304 KB Output is correct
51 Correct 5 ms 3304 KB Output is correct
52 Correct 4 ms 3048 KB Output is correct
53 Correct 4 ms 3208 KB Output is correct
54 Correct 2 ms 3300 KB Output is correct
55 Correct 2 ms 3304 KB Output is correct
56 Correct 2 ms 3180 KB Output is correct