oj.uz

Submission #379886

# Submission time Handle Problem Language Result Execution time Memory
379886 2021-03-19T15:40:58 Z hackermub JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 17 ms 2672 KB 
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int,int>
#define float long double
#define fi first
#define se second
#define pb push_back
#define all(v) v.begin(),v.end()
#define sz(v) (int)v.size()
#define uid uniform_int_distribution<int>
#define forn(i,st,n,inc) for(int i=st;i<n;i+=inc)
#define rforn(i,st,n,inc) for(int i=st-1;i>=n;i-=inc)
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
const int MOD = 1e9+7;//998244353;
const int64_t LLINF = 1e18+7;
const int32_t INF = 1e9+7;

ostream& operator<<(ostream& o,const string& s){
    for(auto c:s) o<<c;
    return o;
}

template<typename F,typename S>
ostream& operator<<(ostream& o,const pair<F,S>& p){
    o<<"["<<p.fi<<","<<p.se<<"]";
    return o;
}

template<typename... T,template<class...> class C>
ostream& operator<<(ostream& o,const C<T...>& v){
    o<<"[";
    int tot=0;
    for(auto x:v){ 
        o<<x;
        if(tot<v.size()-1) o<<",";
        tot++;
    }
    o<<"]";
    return o;
}

vector<string> vec_splitter(string s) {
    s += ',';
    vector<string> res;
    while(!s.empty()) {
        res.push_back(s.substr(0, s.find(',')));
        s = s.substr(s.find(',') + 1);
    }
    return res;
}
void debug_out(
vector<string> __attribute__ ((unused)) args,
__attribute__ ((unused)) int idx, 
__attribute__ ((unused)) int LINE_NUM) { cerr << endl; } 
template <typename Head, typename... Tail>
void debug_out(vector<string> args, int idx, int LINE_NUM, Head H, Tail... T) {
    if(idx > 0) cerr << ", "; else cerr << "Line(" << LINE_NUM << ") ";
    stringstream ss; ss << H;
    cerr << args[idx] << " = " << ss.str();
    debug_out(args, idx + 1, LINE_NUM, T...);
}

#ifdef OFFLINE
clock_t Tm=clock();
#define debug(...) debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__)
#else
#define debug(...)
#endif

int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie();
    //If you hack my code , You are gay
    int n,k;
    cin>>n>>k;
    vector<int> ara(n),cnt(3);
    for(int i=0;i<n;i++){
        char x;
        cin>>x;
        if(x=='J') ara[i]=0;
        else if(x=='O') ara[i]=1;
        else ara[i]=2;
    }
    vector<int> idx[3];
    for(int i=0;i<n;i++) idx[ara[i]].pb(i);
    debug(ara);
    debug(idx[0]);
    debug(idx[1]);
    debug(idx[2]);
    int ans=n;
    for(int j=0;j+k-1<sz(idx[0]);j++){
        int o=upper_bound(all(idx[1]),idx[0][j+k-1])-idx[1].begin();
        if(o+k-1>=sz(idx[1])) break;
        int i=upper_bound(all(idx[2]),idx[1][o+k-1])-idx[2].begin();
        if(i+k-1>=sz(idx[2])) break;
        debug(j,o,i);
        int now=(idx[2][i+k-1]-idx[0][j]+1)-3*k;
        ans=min(ans,now);
    }
    if(ans==n) ans=-1;
    cout<<ans;
    //mara kha
    #ifdef OFFLINE
        cerr<<"Time = "<<(double)(clock()-Tm)/CLOCKS_PER_SEC;
    #endif
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 15 ms 2152 KB Output is correct
37 Correct 16 ms 2472 KB Output is correct
38 Correct 16 ms 2524 KB Output is correct
39 Correct 17 ms 2532 KB Output is correct
40 Correct 14 ms 2560 KB Output is correct
41 Correct 14 ms 2540 KB Output is correct
42 Correct 16 ms 2540 KB Output is correct
43 Correct 6 ms 1772 KB Output is correct
44 Correct 7 ms 1900 KB Output is correct
45 Correct 9 ms 2668 KB Output is correct
46 Correct 9 ms 2536 KB Output is correct
47 Correct 11 ms 2540 KB Output is correct
48 Correct 9 ms 2664 KB Output is correct
49 Correct 6 ms 1768 KB Output is correct
50 Correct 9 ms 2584 KB Output is correct
51 Correct 9 ms 2540 KB Output is correct
52 Correct 8 ms 2152 KB Output is correct
53 Correct 9 ms 2524 KB Output is correct
54 Correct 12 ms 2672 KB Output is correct
55 Correct 10 ms 2672 KB Output is correct
56 Correct 8 ms 2672 KB Output is correct