oj.uz

Submission #203820

# Submission time Handle Problem Language Result Execution time Memory
203820 2020-02-22T10:28:43 Z blacktulip JJOOII 2 (JOI20_ho_t2) C++17
0 / 100
 5 ms 376 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t,ans=inf;
int cev;
string s;
vector<int> v;

int main(void){
	fio();
	cin>>n>>k>>s;
	for(int i=0;i<n;i++){
		if(s[i]!='J')continue;
		int ind=-1;
		for(int j=i;j<n;j++){
			if(s[j]=='J')cev++;
			if(cev==k){ind=j;break;}
		}
		//~ cout<<cev<<endl;
		if(ind==-1)continue;
		cev=0;
		for(int j=ind;j<n;j++){
			if(s[j]=='O')cev++;
			//~ cout<<
			if(cev==k){ind=j;break;}
		}
		//~ cout<<cev<<endl;
		if(cev!=k)continue;
		cev=0;
		for(int j=ind;j<n;j++){
			if(s[j]=='I')cev++;
			if(cev==k){ind=j;break;}
		}
		//~ cout<<ind<<" : : "<<i<<endl;
		if(cev==k)ans=min(ans,ind-i+1-k*3);
	}
	if(ans==inf)ans=-1;
	cout<<ans<<endl;
	return 0;
}

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Incorrect 5 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Incorrect 5 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Incorrect 5 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -