oj.uz

Submission #927675

# Submission time Handle Problem Language Result Execution time Memory
927675 2024-02-15T08:35:05 Z Aiperiii JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 16 ms 6568 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
signed main(){
    int n,k;
    cin>>n>>k;
    string s;cin>>s;
    s=' '+s;
    vector <int> v1,v2,v3;
    for(int i=1;i<s.size();i++){
        if(s[i]=='J')v1.pb(i);
        else if(s[i]=='O')v2.pb(i);
        else v3.pb(i);
    }
    vector <pair <int,int> > g1,g3;
    for(int i=0;i<v1.size();i++){
        if(i+k-1<v1.size()){
            g1.pb({v1[i+k-1],v1[i]});
        }
    }
    for(int i=0;i<v3.size();i++){
        if(i+k-1<v3.size()){
            g3.pb({v3[i],v3[i+k-1]});
        }
    }
    vector <int> ans(v2.size(),-1);
    int mn=1e9;
    for(int i=0;i<v2.size();i++){
        if(i+k-1<v2.size()){
            pair <int,int> p={v2[i],0};
            auto it=lower_bound(all(g1),p);
            if(it!=g1.begin() && g1.size()!=0){
                it--;
                int ans=v2[i+k-1]-it->ss+1;
                p={v2[i+k-1],0};
                it=lower_bound(all(g3),p);
                if(it!=g3.end()){
                    ans+=it->ss-v2[i+k-1];
                    mn=min(mn,ans-3*k);
                }
            }
        }
    }
    if(mn==1e9)mn=-1;
    cout<<mn<<"\n";
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:14:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i=1;i<s.size();i++){
      |                 ~^~~~~~~~~
ho_t2.cpp:20:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i=0;i<v1.size();i++){
      |                 ~^~~~~~~~~~
ho_t2.cpp:21:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         if(i+k-1<v1.size()){
      |            ~~~~~^~~~~~~~~~
ho_t2.cpp:25:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<v3.size();i++){
      |                 ~^~~~~~~~~~
ho_t2.cpp:26:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         if(i+k-1<v3.size()){
      |            ~~~~~^~~~~~~~~~
ho_t2.cpp:32:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(int i=0;i<v2.size();i++){
      |                 ~^~~~~~~~~~
ho_t2.cpp:33:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         if(i+k-1<v2.size()){
      |            ~~~~~^~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 12 ms 4524 KB Output is correct
37 Correct 15 ms 6296 KB Output is correct
38 Correct 16 ms 6124 KB Output is correct
39 Correct 13 ms 4752 KB Output is correct
40 Correct 11 ms 4660 KB Output is correct
41 Correct 16 ms 4756 KB Output is correct
42 Correct 15 ms 6292 KB Output is correct
43 Correct 7 ms 3176 KB Output is correct
44 Correct 7 ms 3896 KB Output is correct
45 Correct 9 ms 4500 KB Output is correct
46 Correct 12 ms 4500 KB Output is correct
47 Correct 11 ms 4456 KB Output is correct
48 Correct 12 ms 4500 KB Output is correct
49 Correct 8 ms 3204 KB Output is correct
50 Correct 9 ms 4504 KB Output is correct
51 Correct 9 ms 4484 KB Output is correct
52 Correct 7 ms 3368 KB Output is correct
53 Correct 8 ms 3388 KB Output is correct
54 Correct 10 ms 6568 KB Output is correct
55 Correct 6 ms 3980 KB Output is correct
56 Correct 5 ms 3236 KB Output is correct