oj.uz

Submission #391012

# Submission time Handle Problem Language Result Execution time Memory
391012 2021-04-17T15:00:16 Z lukameladze JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
 16 ms 14784 KB 
# include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
using namespace std;
const int N=5e5+5;
long long n,k,cntj,cnto,cnti,prj[N],pri[N],pro[N],ans,ans1,nxt,xx,le,ri,le1,ri1,le2,ri2;
string s;
long long mpj[N],mpi[N],mpo[N],idx,pr;
int main() {
     cin>>n>>k;
     cin>>s;
     for (int i=0; i<=2*n; i++) {
          mpj[i]=-1;
          mpo[i]=-1;
          mpi[i]=-1;
     }
     for (int i=0; i<s.size(); i++) {
          if (s[i]=='J') cntj++, mpj[cntj]=i;
          if (s[i]=='O') cnto++, mpo[cnto]=i;
          if (s[i]=='I') cnti++, mpi[cnti]=i;
          prj[i]=cntj;
          pro[i]=cnto;
          pri[i]=cnti;
     }
     ans=1e9;
     for (int le=k; le<=n-k-1; le++) {
          idx=le;
          xx=pro[le-1];
          nxt=k+pro[le-1];
          ri=mpo[nxt];
          if (-1==mpo[nxt]) continue;
          ans1=(ri-le+1)-k;
          ri1=le-1;
          xx=prj[ri1];
          pr=xx-k+1;
          if (pr<=0) continue;
          le1=mpj[pr];
          if (-1==mpj[pr]) continue;
          ans1+=(ri1-le1+1)-k;
          le2=ri+1;
          nxt=pri[ri]+k;
          ri2=mpi[nxt];
          if (-1==mpi[nxt]) continue;
          ans1+=(ri2-le2+1)-k;
          ans=min(ans,ans1);
     }if (ans==1e9) cout<<-1<<endl;
     else
     cout<<ans<<endl;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:18:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |      for (int i=0; i<s.size(); i++) {
      |                    ~^~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 14 ms 13684 KB Output is correct
37 Correct 15 ms 14784 KB Output is correct
38 Correct 16 ms 14684 KB Output is correct
39 Correct 15 ms 14600 KB Output is correct
40 Correct 15 ms 14752 KB Output is correct
41 Correct 15 ms 14684 KB Output is correct
42 Correct 15 ms 14708 KB Output is correct
43 Correct 9 ms 9272 KB Output is correct
44 Correct 11 ms 11484 KB Output is correct
45 Correct 14 ms 14684 KB Output is correct
46 Correct 14 ms 14688 KB Output is correct
47 Correct 14 ms 14684 KB Output is correct
48 Correct 14 ms 14716 KB Output is correct
49 Correct 10 ms 9948 KB Output is correct
50 Correct 16 ms 14648 KB Output is correct
51 Correct 14 ms 14752 KB Output is correct
52 Correct 14 ms 14168 KB Output is correct
53 Correct 14 ms 14684 KB Output is correct
54 Correct 14 ms 14684 KB Output is correct
55 Correct 15 ms 14684 KB Output is correct
56 Correct 14 ms 14704 KB Output is correct