oj.uz

Submission #702548

# Submission time Handle Problem Language Result Execution time Memory
702548 2023-02-24T11:25:33 Z guagua0407 JJOOII 2 (JOI20_ho_t2) C++17
0 / 100
 0 ms 212 KB 
#include<bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define ll long long
#define all(x) x.begin(),x.end();

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n,k;
    cin>>n>>k;
    string str;
    cin>>str;
    char cur='J';
    int cnt=0;
    bool tf=false;
    int ans=0;
    for(int i=0;i<n;i++){
        if(str[i]!=cur){
            if(tf) ans++;
            continue;
        }
        if(cur=='J' and cnt==0){
            tf=true;
        }
        cnt++;
        if(cnt==k){
            if(cur=='I'){
                cout<<ans;
                return 0;
            }
            else{
                if(cur=='J') cur='O';
                else cur='I';
            }
            cnt=0;
        }
    }
    cout<<-1;
    return 0;
}

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -