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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#466882#7683. Hard Brackets Problemadanmaip#WA 16ms3512kbC++14731b2024-07-08 11:34:382024-07-08 11:34:39

Judging History

你现在查看的是最新测评结果

  • [2024-07-08 11:34:39]
  • 评测
  • 测评结果:WA
  • 用时:16ms
  • 内存:3512kb
  • [2024-07-08 11:34:38]
  • 提交

answer

#include <cstdio>
#include <cstdlib>
#include <list>
char a[1000000];
char ans[1000000];
int n;
int getl(char* p){
	int i=0;
	char c=0;
	while (c!='('&&c!=')') c=getchar();
	while (c=='('||c==')') {
		p[i++]=c;
		c=getchar();
	}
	return i;
}
int main(){
	int T;
	scanf("%d", &T);
	while(T--){
		for (int i=0; a[i]!=0; ++i) a[i]=0;
		for (int i=0; ans[i]!=0; ++i) ans[i]=0;
		n=getl(a);
		int ansi=0;
		int cntlft=0;
		for (int i=0; i<n; ++i){
			if (a[i]=='('){
				++cntlft;
				ans[ansi++]='(';
			}
			else if (a[i]==')'){
				if (cntlft>0) --cntlft;
				ans[ansi++]=')';
			}
		}
		if (cntlft>0) {
			printf("impossible\n");
			continue;
		}
		else printf("%s\n", ans);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 1516kb

input:

3
((()))
(
)))()

output:

((()))
impossible
)))()

result:

ok 3 cases (3 test cases)

Test #2:

score: 0
Accepted
time: 11ms
memory: 1552kb

input:

100000
())(()()()
()())()))
)()()()()
())()(())(
((())()))
)(())()))(
)()))())))
)))))(((()
()))((()((
()((()()))
(()())())
())(()))()
(())(())))
))))(()(()
()))(())((
()((())())
()))()))()
()((())())
()()))((()
()))(()))
(()(())))
())((()))
())()((())
(()(())))
()(((()())
))))())))(
((((()()()
(()(...

output:

impossible
()())()))
)()()()()
impossible
((())()))
impossible
)()))())))
impossible
impossible
()((()()))
(()())())
())(()))()
(())(())))
impossible
impossible
()((())())
()))()))()
()((())())
impossible
()))(()))
(()(())))
())((()))
impossible
(()(())))
impossible
impossible
impossible
impossible
...

result:

ok 100000 cases (100000 test cases)

Test #3:

score: 0
Accepted
time: 11ms
memory: 1544kb

input:

200000
(()))
()))(
)()))
(())
)((((
)(())
)(())
()))(
((()(
()(()
))())
)((((
()())
(())
()(()
(()()
)(())
()))
(()()
()())
(())
()()(
(()((
)())
(()()
(())
))(((
(())
())()
())()
(()))
(((((
)())
(()))
()(()
)()()
(()))
()())
(()))
)(())
(())(
))))(
())((
))(((
))))(
()()
()())
(())
(())
(())
)(())...

output:

(()))
impossible
)()))
(())
impossible
)(())
)(())
impossible
impossible
impossible
))())
impossible
()())
(())
impossible
impossible
)(())
()))
impossible
()())
(())
impossible
impossible
)())
impossible
(())
impossible
(())
())()
())()
(()))
impossible
)())
(()))
impossible
)()()
(()))
()())
(()))...

result:

ok 200000 cases (200000 test cases)

Test #4:

score: 0
Accepted
time: 13ms
memory: 1612kb

input:

250000
()()
(())
())
)(((
(()(
(())
)()
(())
(())
))()
)(()
)())
)())
(())
)())
()))
())
(()(
))))
()((
()()
)())
())
())
())
(())
))()
(())
(()(
)))(
()))
())
)))(
)(()
()))
()()
(())
((()
(())
))((
))((
(())
()))
(()(
(())
((()
)(()
(())
((((
())
))()
())
()()
)()(
)()
(())
))()
()))
())
)()
)())
...

output:

()()
(())
())
impossible
impossible
(())
)()
(())
(())
))()
impossible
)())
)())
(())
)())
()))
())
impossible
))))
impossible
()()
)())
())
())
())
(())
))()
(())
impossible
impossible
()))
())
impossible
impossible
()))
()()
(())
impossible
(())
impossible
impossible
(())
()))
impossible
(())
impo...

result:

ok 250000 cases (250000 test cases)

Test #5:

score: 0
Accepted
time: 6ms
memory: 1576kb

input:

50000
)))()((((()(((())(()
)(())()())((())))()(
(((((()))()(((()((()
)()(()())(()())(()()
()(())()()()((())))
)((())))((((())(((((
((())(()()))()(()())
()))())(()))(()())((
))(((())(())()))())
((((()())()))()(((((
((())()))))(((()))))
()()(())((()(()))))
()())())))()()(()))
()))(())()())()(())
()()(...

output:

impossible
impossible
impossible
impossible
()(())()()()((())))
impossible
((())(()()))()(()())
impossible
))(((())(())()))())
impossible
((())()))))(((()))))
()()(())((()(()))))
()())())))()()(()))
()))(())()())()(())
impossible
)))))(())()())((()))
impossible
)(((()())()(())()))
impossible
impossi...

result:

ok 50000 cases (50000 test cases)

Test #6:

score: 0
Accepted
time: 11ms
memory: 1588kb

input:

83333
((()((())(()
(())(()()))
()(()(())))
((((())))))
)())(((())))
()()())()())
()()((())))
(()(()(((())
()((()()()()
(()()()())))
(()()()(((()
)))))()()())
)((()()())))
))(((()))))
()())(()))()
)()))))()())
)(()((())))(
(()())(()))
())()((())))
(()()()(()))
)())()()(())
((())()))(()
(()(()(((())
)...

output:

impossible
(())(()()))
()(()(())))
((((())))))
)())(((())))
()()())()())
()()((())))
impossible
impossible
(()()()())))
impossible
)))))()()())
)((()()())))
))(((()))))
()())(()))()
)()))))()())
impossible
(()())(()))
())()((())))
(()()()(()))
)())()()(())
impossible
impossible
impossible
impossible...

result:

ok 83333 cases (83333 test cases)

Test #7:

score: 0
Accepted
time: 16ms
memory: 1532kb

input:

250000
)))
)(((
()()
((()
((()
())
())(
))((
)())
()()
()()
())
((()
())
()()
(())
(())
()()
()))
())
)())
()()
)()
())
)()(
(())
)()
)(((
))()
(())
)()
)())
)()
)()
))((
()()
(())
()((
))((
)(((
()))
)())
)())
)())
)())
)(((
())
)))
(())
(())
())(
())
(())
(())
()()
())(
()()
())
))()
(())
(())
)()...

output:

)))
impossible
()()
impossible
impossible
())
impossible
impossible
)())
()()
()()
())
impossible
())
()()
(())
(())
()()
()))
())
)())
()()
)()
())
impossible
(())
)()
impossible
))()
(())
)()
)())
)()
)()
impossible
()()
(())
impossible
impossible
impossible
()))
)())
)())
)())
)())
impossible
())...

result:

ok 250000 cases (250000 test cases)

Test #8:

score: 0
Accepted
time: 3ms
memory: 1528kb

input:

50000
(())((()()(())(((()(
()()()((((()())())))
(())(()()()((())))()
(())(()))(()(()()))
()((((()((())))))))
)))())))()()())()))(
()(()))(((())()(((((
()()())())(((()())))
(())(())))(()((())))
()(()(())()()()()(((
()()()((()(()()))))
)(())))()(())()())()
)((((((()())())((())
)()())(()((()(()))))
(()...

output:

impossible
()()()((((()())())))
(())(()()()((())))()
(())(()))(()(()()))
()((((()((())))))))
impossible
impossible
()()())())(((()())))
(())(())))(()((())))
impossible
()()()((()(()()))))
)(())))()(())()())()
impossible
)()())(()((()(()))))
(())(()()())()())())
)())()()()()((())())
(())()((())((()))...

result:

ok 50000 cases (50000 test cases)

Test #9:

score: 0
Accepted
time: 10ms
memory: 1572kb

input:

83333
((()(())))()
()))()()))()
()))()))())(
())(())))())
)()))))(((((
)(()(()())((
(()))(())())
)()()()(()()
((()())((())
)())()()(()(
()(())()())
)(()(())())
()(())(()))
))()(()(())(
()((()())))
)()(((())))
)())()())))
(((()()())))
()())()())()
()())(())()
)()((()())((
(()()((((())
(())))()()))
((...

output:

((()(())))()
()))()()))()
impossible
())(())))())
impossible
impossible
(()))(())())
impossible
impossible
impossible
()(())()())
)(()(())())
()(())(()))
impossible
()((()())))
)()(((())))
)())()())))
(((()()())))
()())()())()
()())(())()
impossible
impossible
(())))()()))
((((())))))
impossible
())...

result:

ok 83333 cases (83333 test cases)

Test #10:

score: 0
Accepted
time: 16ms
memory: 1540kb

input:

250000
)())
()))
())(
(())
()()
())
))((
())
)()
())
()((
()))
(())
)(((
())
(())
))()
)())
(()(
)()
((((
()))
)))(
(()(
()()
))))
)())
()()
((()
)(((
()()
(())
)(()
()()
)()
)))(
())
())(
())
)))(
))()
())
)())
))((
())
()))
((()
)()(
)()
()))
())
)())
(())
(()(
()()
()))
()))
)))(
()))
)()
())
())...

output:

)())
()))
impossible
(())
()()
())
impossible
())
)()
())
impossible
()))
(())
impossible
())
(())
))()
)())
impossible
)()
impossible
()))
impossible
impossible
()()
))))
)())
()()
impossible
impossible
()()
(())
impossible
()()
)()
impossible
())
impossible
())
impossible
))()
())
)())
impossible
...

result:

ok 250000 cases (250000 test cases)

Test #11:

score: 0
Accepted
time: 10ms
memory: 1500kb

input:

50000
(())(()(()(())))())
())()()))(())()()())
())()())((()(()))))
()(()()))(()((())))
()))))()))((()((()))
()(())())())(()))())
((()((()((())))())))
())()))()()()())))))
(((()()))))))()(())
))(()((())((((()((((
()((()()(((()()()())
(()())(()(()))())))
()()))))(()(()()()))
())()())(((()(()))))
()(((...

output:

(())(()(()(())))())
())()()))(())()()())
())()())((()(()))))
()(()()))(()((())))
impossible
()(())())())(()))())
((()((()((())))())))
())()))()()()())))))
(((()()))))))()(())
impossible
impossible
(()())(()(()))())))
()()))))(()(()()()))
())()())(((()(()))))
()((()(()))()(())))
impossible
()))())(()...

result:

ok 50000 cases (50000 test cases)

Test #12:

score: 0
Accepted
time: 10ms
memory: 1580kb

input:

83333
())()))))(()
(()((()(()))
((((((()())(
())(((((()))
((())((())))
)())())))))(
()(((())((()
()(((()))))
(()))((()))
)(())())((((
)()()()(())
)(()))(())))
)(((()())))
)(())(()()))
(())))(()))(
(((((()))))(
))((()()())(
(((()))())()
(((()()((())
())))))(((((
()((((()))))
)()(()))(())
(()))(()()))...

output:

impossible
impossible
impossible
impossible
((())((())))
impossible
impossible
()(((()))))
(()))((()))
impossible
)()()()(())
)(()))(())))
)(((()())))
)(())(()()))
impossible
impossible
impossible
(((()))())()
impossible
impossible
()((((()))))
)()(()))(())
(()))(()()))
)())))()()))
impossible
(())(...

result:

ok 83333 cases (83333 test cases)

Test #13:

score: 0
Accepted
time: 16ms
memory: 1572kb

input:

250000
(())
((((
(())
())
()()
(())
(())
())
))()
(())
))()
(())
()))
))))
(())
()))
()))
())
)()(
)))
)())
(())
(())
))()
(())
())
()))
))()
))((
)()
()()
)(((
(())
()()
)()
)(()
())
)())
((()
))()
)(((
()))
())
())
)())
()))
)())
(())
))()
))))
)())
())
))()
)()(
))))
((((
())
(())
)()
)())
())
()...

output:

(())
impossible
(())
())
()()
(())
(())
())
))()
(())
))()
(())
()))
))))
(())
()))
()))
())
impossible
)))
)())
(())
(())
))()
(())
())
()))
))()
impossible
)()
()()
impossible
(())
()()
)()
impossible
())
)())
impossible
))()
impossible
()))
())
())
)())
()))
)())
(())
))()
))))
)())
())
))()
impo...

result:

ok 250000 cases (250000 test cases)

Test #14:

score: 0
Accepted
time: 10ms
memory: 1616kb

input:

50000
))(())())())()(()(()
)((())((()()))(())))
()(()(()))()(()()))
((()())()())(()(()))
)()()(())())()(())()
(()(()(((())))()()))
((()))()()(()(()((()
()()()()(())(((())))
)))))((((()()()()(((
((())((()()(())))))
(((((()()()(()))))))
())())))())())()(())
((())((((((())))))))
((())()())())()()())
()...

output:

impossible
)((())((()()))(())))
()(()(()))()(()()))
((()())()())(()(()))
)()()(())())()(())()
(()(()(((())))()()))
impossible
()()()()(())(((())))
impossible
((())((()()(())))))
(((((()()()(()))))))
())())))())())()(())
((())((((((())))))))
((())()())())()()())
()((((()(((())))))))
()())(((()))((())...

result:

ok 50000 cases (50000 test cases)

Test #15:

score: 0
Accepted
time: 11ms
memory: 1552kb

input:

83333
)))((())(()(
()((()))())
(()))()(()((
))((()()(()(
(()))()()))
)))()()(()((
)(()))()()((
())((()))))
(())))()())
)(()()))(()(
()(()()))()
()))())())((
((()(()())))
(((())()()()
()(())(()())
))())((()))
())((()()(()
))(()((())))
((((()()))))
(()((())())(
)()())(())()
))(()())()))
(()(())(()()
(...

output:

impossible
()((()))())
impossible
impossible
(()))()()))
impossible
impossible
())((()))))
(())))()())
impossible
()(()()))()
impossible
((()(()())))
impossible
()(())(()())
))())((()))
impossible
))(()((())))
((((()()))))
impossible
)()())(())()
))(()())()))
impossible
())(())()()
impossible
imposs...

result:

ok 83333 cases (83333 test cases)

Test #16:

score: 0
Accepted
time: 7ms
memory: 3464kb

input:

1
(()()((((())))(((((((())(()())())()(()((()(((()(()))))())((())((())((()))()())(()))()))((())()())))()())()(()((())(((()()(((())(((()))(((()())((()(((()())()())(()(()(())()()())())(((((((()((((()))()())())((((()(()())()())))((()((((()(((((()((((())()(()(()((((()()(((())())())))(())))))))))((((()(()...

output:

impossible

result:

ok 1 cases (1 test case)

Test #17:

score: 0
Accepted
time: 3ms
memory: 2528kb

input:

2
())())()()(((()))()(((()())(())))))((()((()()()()()())(()((((()))()()((())()()((()))()())(())))(()(())(()()())(())))()())((((()()(()))((())()(())))))(((()(((((()(())()()((())))))(()(()())))))((())))))())())()()(()(()()))(((()))(()())))(())()))()())()()())()((()((()())())))())())((()((()())())(((()...

output:

())())()()(((()))()(((()())(())))))((()((()()()()()())(()((((()))()()((())()()((()))()())(())))(()(())(()()())(())))()())((((()()(()))((())()(())))))(((()(((((()(())()()((())))))(()(()())))))((())))))())())()()(()(()()))(((()))(()())))(())()))()())()()())()((()((()())())))())())((()((()())())(((()))...

result:

ok 2 cases (2 test cases)

Test #18:

score: 0
Accepted
time: 8ms
memory: 3512kb

input:

1
()(()(()))()()()((()())(())())())()(())(()()(()))(())()()()((()(()(())(()()(()((((()()))))))())((()))))((())((((()))(((((()(()))(((())((()))()()((()(()((()((()()()))(())))(())())()()))))((((()(())))))((()(()((()()())())())(()())(()()))()((((()))())()(((()(())))()()((((()))))()))()()))))((())((()((...

output:

()(()(()))()()()((()())(())())())()(())(()()(()))(())()()()((()(()(())(()()(()((((()()))))))())((()))))((())((((()))(((((()(()))(((())((()))()()((()(()((()((()()()))(())))(())())()()))))((((()(())))))((()(()((()()())())())(()())(()()))()((((()))())()(((()(())))()()((((()))))()))()()))))((())((()(()(...

result:

ok 1 cases (1 test case)

Test #19:

score: 0
Accepted
time: 4ms
memory: 3492kb

input:

1
()((()(((()))(())()())((()((()))((()()((()())(())())())(()()()()())(())(()((()(((())()((()((((((((())(()))))(((()()(()))(((()()())(()()(())))((((())()(()((()(())))()((())((((())())(()()()(()())((())(((()(((()))((()((()(()))))))())((())))((()))(((())))))))())(((((()(((())))(()())()()(())()(())(()()...

output:

()((()(((()))(())()())((()((()))((()()((()())(())())())(()()()()())(())(()((()(((())()((()((((((((())(()))))(((()()(()))(((()()())(()()(())))((((())()(()((()(())))()((())((((())())(()()()(()())((())(((()(((()))((()((()(()))))))())((())))((()))(((())))))))())(((((()(((())))(()())()()(())()(())(()())(...

result:

ok 1 cases (1 test case)

Test #20:

score: -100
Wrong Answer
time: 4ms
memory: 3480kb

input:

1
)()((((())()))(())()))()(()))()())()(((()()(()(())))(()(((()))(((()()()))())))(())())()))(()((()))())()()()((((()))())))())((()())(()())))(((()(())()((()())(()((((())))(())))(()(())())(())(()()))(()((((()(())((())()()(((())()))(((()))(()(())(()()()()()()(())(((()()()(()(()(()))(()()))(((()((()()((...

output:

)()((((())()))(())()))()(()))()())()(((()()(()(())))(()(((()))(((()()()))())))(())())()))(()((()))())()()()((((()))())))())((()())(()())))(((()(())()((()())(()((((())))(())))(()(())())(())(()()))(()((((()(())((())()()(((())()))(((()))(()(())(()()()()()()(())(((()()()(()(()(()))(()()))(((()((()()(())...

result:

wrong answer the output is too long (test case 1)