oj.uz

Submission #335311

# Submission time Handle Problem Language Result Execution time Memory
335311 2020-12-11T22:50:34 Z crackersamdjam JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 12 ms 2028 KB 
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define gc getchar()
#define pc(x) putchar(x)
template<typename T> void scan(T &x){x = 0;bool _=0;T c=gc;_=c==45;c=_?gc:c;while(c<48||c>57)c=gc;for(;c<48||c>57;c=gc);for(;c>47&&c<58;c=gc)x=(x<<3)+(x<<1)+(c&15);x=_?-x:x;}
template<typename T> void printn(T n){bool _=0;_=n<0;n=_?-n:n;char snum[65];int i=0;do{snum[i++]=char(n%10+48);n/= 10;}while(n);--i;if (_)pc(45);while(i>=0)pc(snum[i--]);}
template<typename First, typename ... Ints> void scan(First &arg, Ints&... rest){scan(arg);scan(rest...);}
template<typename T> void print(T n){printn(n);pc(10);}
template<typename First, typename ... Ints> void print(First arg, Ints... rest){printn(arg);pc(32);print(rest...);}

using namespace std;
const int MM = 2e5+5;

int n, k, ans = 1e9;
char s[MM];
vector<int> v[3];

int main(){
	scan(n, k);
	scanf("%s", s);
	for(int i = 0; i < n; i++){
		if(s[i] == 'J'){
			v[0].emplace_back(i);
		}
		else if(s[i] == 'O'){
			v[1].emplace_back(i);
		}
		else{
			v[2].emplace_back(i);
		}
	}
	for(int i = 0; i < size(v[0]); i++){
		if(i+k-1 >= size(v[0])) break;
		int a = v[0][i+k-1];
		int j = upper_bound(all(v[1]), a)-v[1].begin();
		if(j+k-1 >= size(v[1])) break;
		int b = v[1][j+k-1];
		int kk = upper_bound(all(v[2]), b)-v[2].begin();
		if(kk+k-1 >= size(v[2])) break;
		int c = v[2][kk+k-1];
		ans = min(ans, c-v[0][i]+1);
	}
	print(ans < 1e9 ? ans-3*k : -1);
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i = 0; i < size(v[0]); i++){
      |                 ~~^~~~~~~~~~~~
ho_t2.cpp:33:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   if(i+k-1 >= size(v[0])) break;
      |      ~~~~~~^~~~~~~~~~~~~
ho_t2.cpp:36:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   if(j+k-1 >= size(v[1])) break;
      |      ~~~~~~^~~~~~~~~~~~~
ho_t2.cpp:39:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   if(kk+k-1 >= size(v[2])) break;
      |      ~~~~~~~^~~~~~~~~~~~~
ho_t2.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |  scanf("%s", s);
      |  ~~~~~^~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 11 ms 1512 KB Output is correct
37 Correct 12 ms 1832 KB Output is correct
38 Correct 12 ms 1976 KB Output is correct
39 Correct 10 ms 2000 KB Output is correct
40 Correct 7 ms 1900 KB Output is correct
41 Correct 9 ms 1900 KB Output is correct
42 Correct 11 ms 1900 KB Output is correct
43 Correct 3 ms 1388 KB Output is correct
44 Correct 4 ms 1388 KB Output is correct
45 Correct 5 ms 2028 KB Output is correct
46 Correct 6 ms 1896 KB Output is correct
47 Correct 5 ms 1900 KB Output is correct
48 Correct 5 ms 2024 KB Output is correct
49 Correct 3 ms 1384 KB Output is correct
50 Correct 5 ms 1900 KB Output is correct
51 Correct 5 ms 1900 KB Output is correct
52 Correct 4 ms 1640 KB Output is correct
53 Correct 5 ms 1940 KB Output is correct
54 Correct 7 ms 2024 KB Output is correct
55 Correct 4 ms 2024 KB Output is correct
56 Correct 4 ms 2024 KB Output is correct