Submission #781499

#	Time	Username	Problem	Language	Result	Execution time	Memory
781499		vjudge1	JJOOII 2 (JOI20_ho_t2)	C++17	0 / 100	1 ms	340 KiB

ho_t2

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000000005
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL);
#define mid (start+end)/2
#define mod 1000000007

int32_t main(){
    faster
    int n,k;cin>>n>>k;
    string s;cin>>s;
    int ger=OYY,cev=OYY;
    bool stop=false;
    for(int i=0;i<n;i++){
        if(s[i]=='J'){
            cev=0;
            stop=false;
            int say=0,tut=0;
            for(int j=i;j<n;j++){
                if(say==0 && s[j]=='J'){
                    tut++;
                }
                else if(say==1 && s[j]=='O'){
                    tut++;
                }
                else if(say==2 && s[j]=='I'){
                    tut++;
                }
                else cev++;
                if(tut==k){
                    say=1;
                }
                else if(tut==2*k){
                    say=2;
                    stop=true;
                    break;
                }

            }
            //cout<<cev<<endl;

        }
        if(stop)ger=min(ger,cev);
    }
    if(ger==OYY)ger=-1;
    cout<<ger<<'\n';
    return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 12
• Subtask 3: 0 / 87