Submission #60776

#	Time	Username	Problem	Language	Result	Execution time	Memory
60776		junodeveloper	Match (CEOI16_match)	C++17	0 / 100	2 ms	496 KiB

match

#include <bits/stdc++.h>
using namespace std;
char s[100010]; int c[26], d[26];
int main() {
	scanf("%s", s);
	for(int i=0; s[i]; i++) c[s[i]-'a']++;
	for(int i=0; i<26; i++) if(c[i]%2) { puts("-1"); return 0; }
	for(int i=0; s[i]; i++)
		if(++d[s[i]-'a']<=c[s[i]-'a']/2) printf("(");
		else printf(")");
	return 0;
}

Compilation message (stderr)

match.cpp: In function 'int main()':
match.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
  ~~~~~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 63