답안 #290603

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
290603	2020-09-04T06:48:15 Z	achibasadzishvili	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	41 ms	5516 KB

ho_t2

#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,k,r[200005][3],ans;
string s;
int main(){
    ios::sync_with_stdio(false);
    cin >> n >> k >> s;
    
    for(int i=0; i<s.size(); i++){
        if(i){
            r[i][0] = r[i - 1][0];
            r[i][1] = r[i - 1][1];
            r[i][2] = r[i - 1][2];
        }
        if(s[i] == 'J')r[i][0]++;
        if(s[i] == 'O')r[i][1]++;
        if(s[i] == 'I')r[i][2]++;
    }
    ll ans = -1;
    for(int i=0; i<s.size(); i++){
        ll mx = 0,st = i;
        for(int j=0; j<3; j++){
            ll l = st , R = (int)s.size() - 1, mid,ind=-1;
            ll val = 0;
            if(st)val = r[st - 1][j];
            while(R >= l){
                mid = (l + R) / 2;
                if(r[mid][j] - val >= k){
                    R = mid - 1;
                    ind = mid;
                }
                else {
                    l = mid + 1;
                }
            }
            if(ind == -1){
                mx = -1;
                break;
            }
            st = ind;
            mx = max(mx , ind);
        }
        if(mx == -1)continue;
        if(ans == -1)ans = n - 3 * k - i - (n - mx - 1);
        ans = min(ans , n - 3 * k - i - (n - mx - 1));
    }
    
    cout << ans << '\n';
    
    return 0;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i=0; i<s.size(); i++){
      |                  ~^~~~~~~~~
ho_t2.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i=0; i<s.size(); i++){
      |                  ~^~~~~~~~~

Subtask #1
1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	512 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct

Subtask #3
87.0 / 87.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	416 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	512 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	324 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	33 ms	5260 KB	Output is correct
37	Correct	36 ms	5516 KB	Output is correct
38	Correct	37 ms	5516 KB	Output is correct
39	Correct	41 ms	5516 KB	Output is correct
40	Correct	29 ms	5516 KB	Output is correct
41	Correct	39 ms	5516 KB	Output is correct
42	Correct	41 ms	5516 KB	Output is correct
43	Correct	17 ms	3584 KB	Output is correct
44	Correct	20 ms	4364 KB	Output is correct
45	Correct	26 ms	5516 KB	Output is correct
46	Correct	25 ms	5516 KB	Output is correct
47	Correct	26 ms	5516 KB	Output is correct
48	Correct	25 ms	5516 KB	Output is correct
49	Correct	16 ms	3852 KB	Output is correct
50	Correct	26 ms	5516 KB	Output is correct
51	Correct	25 ms	5516 KB	Output is correct
52	Correct	13 ms	5388 KB	Output is correct
53	Correct	15 ms	5516 KB	Output is correct
54	Correct	20 ms	5516 KB	Output is correct
55	Correct	15 ms	5516 KB	Output is correct
56	Correct	12 ms	5516 KB	Output is correct

답안 #290603

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