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Submission #52916

# Submission time Handle Problem Language Result Execution time Memory
52916 2018-06-27T07:21:18 Z 김세빈(#1383) Match (CEOI16_match) C++11
37 / 100
 2000 ms 884 KB 
#include <bits/stdc++.h>

using namespace std;

char str[101010], ans[101010];
vector <char> V;
int n;

bool check(int p)
{
	int i;
	
	V.clear();
	
	for(i=0;i<=p;i++){
		if(ans[i] == '(') V.push_back(str[i]);
		else V.pop_back();
	}
	
	for(;i<n;i++){
		if(V.empty() || V.back() != str[i]) V.push_back(str[i]);
		else V.pop_back();
	}
	
	return V.empty();
}

int main()
{
	int i;
	
	scanf("%s",str);
	
	for(n=0;str[n];n++);
	
//	if(n > 2000) return 0;
	
	ans[0] = '(';
	if(!check(0)){
		printf("-1\n");
		return 0;
	}
	
	for(i=0;i<n;i++){
		ans[i] = '(';
		if(!check(i)) ans[i] = ')';
	}
	
	ans[n] = '\0';
	
	printf("%s\n",ans);
	
	return 0;
}

Compilation message

match.cpp: In function 'int main()':
match.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",str);
  ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 3 ms 484 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 3 ms 484 KB Output is correct
4 Correct 4 ms 484 KB Output is correct
5 Correct 6 ms 664 KB Output is correct
6 Correct 8 ms 664 KB Output is correct
7 Correct 10 ms 664 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 3 ms 484 KB Output is correct
4 Correct 4 ms 484 KB Output is correct
5 Correct 6 ms 664 KB Output is correct
6 Correct 8 ms 664 KB Output is correct
7 Correct 10 ms 664 KB Output is correct
8 Correct 152 ms 664 KB Output is correct
9 Correct 162 ms 688 KB Output is correct
10 Correct 115 ms 736 KB Output is correct
11 Correct 115 ms 736 KB Output is correct
12 Execution timed out 2068 ms 884 KB Time limit exceeded
13 Halted 0 ms 0 KB -