답안 #61215

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
61215	2018-07-25T11:29:41 Z	junodeveloper	괄호 문자열 (CEOI16_match)	C++17	100 / 100	25 ms	12852 KB

match

#include <bits/stdc++.h>
using namespace std;
char s[100010],a[100010];
int pre[100010][26];
void solve(int l, int r) {
	if(l > r) return;
	if(pre[r][s[l]-'a'] <= l) { puts("-1"); exit(0); }
	a[l] = '(', a[pre[r][s[l]-'a']] = ')';
	solve(l+1, pre[r][s[l]-'a']-1), solve(pre[r][s[l]-'a']+1, r);
}
int main() {
	scanf("%s", s);
	int n = strlen(s);
	for(int i=0; i<n; i++) {
		for(int j=0; j<26; j++)
			if(j == s[i]-'a') pre[i][j] = i;
			else if(i && pre[i-1][s[i]-'a'] > 0) pre[i][j] = pre[pre[i-1][s[i]-'a']-1][j];
			else pre[i][j] = -1;
	}
	solve(0,n-1);
	puts(a);
	return 0;
}

Compilation message

match.cpp: In function 'int main()':
match.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
  ~~~~~^~~~~~~~~

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct

Subtask #2

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	588 KB	Output is correct
5	Correct	3 ms	588 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct

Subtask #3

63.0 / 63.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	588 KB	Output is correct
5	Correct	3 ms	588 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	1264 KB	Output is correct
9	Correct	4 ms	1416 KB	Output is correct
10	Correct	4 ms	1440 KB	Output is correct
11	Correct	5 ms	1688 KB	Output is correct
12	Correct	15 ms	7708 KB	Output is correct
13	Correct	13 ms	8280 KB	Output is correct
14	Correct	17 ms	8980 KB	Output is correct
15	Correct	15 ms	10352 KB	Output is correct
16	Correct	25 ms	10448 KB	Output is correct
17	Correct	23 ms	11168 KB	Output is correct
18	Correct	22 ms	11244 KB	Output is correct
19	Correct	25 ms	11972 KB	Output is correct
20	Correct	16 ms	11972 KB	Output is correct
21	Correct	25 ms	12852 KB	Output is correct