Submission #933682

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
933682	2024-02-26T05:15:29 Z	ByeWorld	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	13 ms	6776 KB

ho_t2

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define int long long
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
typedef pair<int,int> pii;
typedef pair<string, pii> ipii;
const int INF = 1e9+10;
const int MAXN = 1e6+10;

int n, k; 
int O[MAXN], I[MAXN];
string s;
int mn = INF;
vector <int> vec;

void f(int idx, int fr){
	int l=idx, r=n, cnt=-1, mid=0;
	while(l<=r){
		mid = md;
		if(O[idx]-O[mid+1] >= k){ // ke kiri
			r = mid-1; cnt = mid;
		} else l = mid+1;
	}
	int ido = cnt;
	if(ido == -1) return;
	//cout << ido << " O\n";
	l = cnt, r=n, cnt=-1, mid=0;
	while(l<=r){
		mid = md;
		if(I[ido]-I[mid+1] >= k){
			r = mid-1; cnt = mid;
		} else l = mid+1;
	}

	if(cnt == -1) return;
	//cout << cnt << " i\n";
	mn = min(mn, cnt-fr+1 - 3*k);
}
signed main(){
	cin >> n >> k;
	cin >> s; s = '.'+s; 
	for(int i=n; i>=1; i--){
		O[i] = O[i+1] + (s[i]=='O' ? 1 : 0); 
		I[i] = I[i+1] + (s[i]=='I' ? 1 : 0);
	}
	for(int i=1; i<=n; i++){
		if(s[i] == 'J'){
			vec.pb(i);
		}
	}
	for(int i=k-1; i<vec.size(); i++){
		f(vec[i], vec[i-k+1]);
	}
	cout << (mn>n ? -1 : mn) << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:56:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |  for(int i=k-1; i<vec.size(); i++){
      |                 ~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	604 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	448 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct

Subtask #3
87.0 / 87.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	604 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	448 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	12 ms	5940 KB	Output is correct
37	Correct	10 ms	6692 KB	Output is correct
38	Correct	13 ms	6776 KB	Output is correct
39	Correct	11 ms	6692 KB	Output is correct
40	Correct	9 ms	6604 KB	Output is correct
41	Correct	10 ms	6692 KB	Output is correct
42	Correct	12 ms	6692 KB	Output is correct
43	Correct	5 ms	4720 KB	Output is correct
44	Correct	6 ms	5204 KB	Output is correct
45	Correct	8 ms	6692 KB	Output is correct
46	Correct	8 ms	6600 KB	Output is correct
47	Correct	8 ms	6692 KB	Output is correct
48	Correct	8 ms	6616 KB	Output is correct
49	Correct	5 ms	4968 KB	Output is correct
50	Correct	8 ms	6692 KB	Output is correct
51	Correct	10 ms	6692 KB	Output is correct
52	Correct	6 ms	5936 KB	Output is correct
53	Correct	6 ms	6520 KB	Output is correct
54	Correct	10 ms	6692 KB	Output is correct
55	Correct	7 ms	6692 KB	Output is correct
56	Correct	6 ms	6692 KB	Output is correct

Submission #933682

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 12.0 / 12.0

Subtask #3 87.0 / 87.0

Subtask #1
1.0 / 1.0

Subtask #2
12.0 / 12.0

Subtask #3
87.0 / 87.0