Submission #245185

# Submission time Handle Problem Language Result Execution time Memory
245185 2020-07-05T16:35:15 Z uacoder123 JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
17 ms 3328 KB
#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
 
typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;

int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  lli test=1;
  for(;test>0;--test)
  {
    lli n,k,ans;
    string s;
    cin>>n>>k>>s;
    ans=n;
    vi j,o,i;
    for(lli i1=0;i1<s.size();++i1)
    {
      if(s[i1]=='J')
        j.pb(i1);
      else if(s[i1]=='O')
        o.pb(i1);
      else
        i.pb(i1);
    }
    lli l=0;
    for(lli i1=0;i1<j.size();++i1)
    {
      lli pans=0;
      if(j.size()-i1>=k)
        pans+=j[i1+k-1]-j[i1]+1-k;
      else
        continue;
      l=j[i1+k-1]+1;
      lli it1=lower_bound(all(o),l)-o.begin();
      if(o.size()-it1>=k)
        pans+=o[it1+k-1]-o[it1]+1-k;
      else
        continue;
      pans+=o[it1]-l;
      l=o[it1+k-1]+1;
      int it2=lower_bound(all(i),l)-i.begin();
      if(i.size()-it2>=k)
        pans+=i[it2+k-1]-i[it2]+1-k;
      else
        continue;
      pans+=i[it2]-l;
      ans=min(ans,pans);
    }
    if(ans==n)
      cout<<"-1"<<endl;
    else
    cout<<ans<<endl;
  }
  return(0);
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(lli i1=0;i1<s.size();++i1)
                  ~~^~~~~~~~~
ho_t2.cpp:40:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(lli i1=0;i1<j.size();++i1)
                  ~~^~~~~~~~~
ho_t2.cpp:43:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(j.size()-i1>=k)
          ~~~~~~~~~~~^~~
ho_t2.cpp:49:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(o.size()-it1>=k)
          ~~~~~~~~~~~~^~~
ho_t2.cpp:56:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(i.size()-it2>=k)
          ~~~~~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 17 ms 2468 KB Output is correct
37 Correct 16 ms 2908 KB Output is correct
38 Correct 16 ms 3000 KB Output is correct
39 Correct 15 ms 2936 KB Output is correct
40 Correct 13 ms 2936 KB Output is correct
41 Correct 15 ms 3064 KB Output is correct
42 Correct 16 ms 2876 KB Output is correct
43 Correct 9 ms 1940 KB Output is correct
44 Correct 10 ms 2136 KB Output is correct
45 Correct 12 ms 3064 KB Output is correct
46 Correct 13 ms 3004 KB Output is correct
47 Correct 13 ms 2936 KB Output is correct
48 Correct 14 ms 2876 KB Output is correct
49 Correct 10 ms 1920 KB Output is correct
50 Correct 13 ms 2992 KB Output is correct
51 Correct 12 ms 3068 KB Output is correct
52 Correct 9 ms 2364 KB Output is correct
53 Correct 10 ms 2936 KB Output is correct
54 Correct 9 ms 3328 KB Output is correct
55 Correct 9 ms 3328 KB Output is correct
56 Correct 8 ms 3328 KB Output is correct