Submission #73739

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
73739	2018-08-28T20:16:32 Z	TadijaSebez	Security Gate (JOI18_security_gate)	C++11	12 / 100	5000 ms	848 KB

securitygate

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
const int N=105;
char s[N];
int n;
bool good(int l, int r)
{
	int c=0;
	for(int i=0;i<n;i++)
	{
		if(l<=i && i<=r)
		{
			if(s[i]==')') c++;
			else c--;
		}
		else
		{
			if(s[i]=='(') c++;
			else c--;
		}
		if(c<0) return 0;
	}
	return c==0;
}
bool Check()
{
	for(int i=0;i<n;i++) for(int j=i;j<n;j++) if(good(i,j)) return 1;
	if(good(0,-1)) return 1;
	return 0;
}
int main()
{
	int i,j,k=0;
	scanf("%i",&n);
	scanf("%s",s);
	vector<int> pos;
	for(i=0;i<n;i++) if(s[i]=='x') pos.pb(i),k++;
	int sol=0;
	if(k>20) return printf("0\n"),0;
	for(j=0;j<1<<k;j++)
	{
		for(i=0;i<k;i++) s[pos[i]]='('+((j>>i)&1);
		//cout << s << endl;
		if(Check()) sol++;
	}
	printf("%i\n",sol);
	return 0;
}

Compilation message

securitygate.cpp: In function 'int main()':
securitygate.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
securitygate.cpp:38:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s);
  ~~~~~^~~~~~~~

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	2 ms	536 KB	Output is correct
6	Correct	4 ms	536 KB	Output is correct
7	Correct	3 ms	628 KB	Output is correct
8	Correct	4 ms	628 KB	Output is correct
9	Correct	3 ms	628 KB	Output is correct
10	Correct	3 ms	628 KB	Output is correct
11	Correct	3 ms	632 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	6 ms	640 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	2 ms	652 KB	Output is correct
17	Correct	4 ms	784 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	2 ms	536 KB	Output is correct
6	Correct	4 ms	536 KB	Output is correct
7	Correct	3 ms	628 KB	Output is correct
8	Correct	4 ms	628 KB	Output is correct
9	Correct	3 ms	628 KB	Output is correct
10	Correct	3 ms	628 KB	Output is correct
11	Correct	3 ms	632 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	6 ms	640 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	2 ms	652 KB	Output is correct
17	Correct	4 ms	784 KB	Output is correct
18	Correct	4 ms	784 KB	Output is correct
19	Correct	17 ms	800 KB	Output is correct
20	Correct	15 ms	800 KB	Output is correct
21	Correct	622 ms	800 KB	Output is correct
22	Correct	827 ms	800 KB	Output is correct
23	Correct	15 ms	800 KB	Output is correct
24	Correct	638 ms	820 KB	Output is correct
25	Correct	4 ms	820 KB	Output is correct
26	Correct	11 ms	820 KB	Output is correct
27	Correct	488 ms	836 KB	Output is correct
28	Correct	33 ms	836 KB	Output is correct
29	Correct	7 ms	836 KB	Output is correct
30	Correct	17 ms	836 KB	Output is correct
31	Correct	98 ms	848 KB	Output is correct

Subtask #3
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	2 ms	536 KB	Output is correct
6	Correct	4 ms	536 KB	Output is correct
7	Correct	3 ms	628 KB	Output is correct
8	Correct	4 ms	628 KB	Output is correct
9	Correct	3 ms	628 KB	Output is correct
10	Correct	3 ms	628 KB	Output is correct
11	Correct	3 ms	632 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	6 ms	640 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	2 ms	652 KB	Output is correct
17	Correct	4 ms	784 KB	Output is correct
18	Correct	4 ms	784 KB	Output is correct
19	Correct	17 ms	800 KB	Output is correct
20	Correct	15 ms	800 KB	Output is correct
21	Correct	622 ms	800 KB	Output is correct
22	Correct	827 ms	800 KB	Output is correct
23	Correct	15 ms	800 KB	Output is correct
24	Correct	638 ms	820 KB	Output is correct
25	Correct	4 ms	820 KB	Output is correct
26	Correct	11 ms	820 KB	Output is correct
27	Correct	488 ms	836 KB	Output is correct
28	Correct	33 ms	836 KB	Output is correct
29	Correct	7 ms	836 KB	Output is correct
30	Correct	17 ms	836 KB	Output is correct
31	Correct	98 ms	848 KB	Output is correct
32	Correct	192 ms	848 KB	Output is correct
33	Correct	55 ms	848 KB	Output is correct
34	Execution timed out	5020 ms	848 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Subtask #4
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	2 ms	536 KB	Output is correct
6	Correct	4 ms	536 KB	Output is correct
7	Correct	3 ms	628 KB	Output is correct
8	Correct	4 ms	628 KB	Output is correct
9	Correct	3 ms	628 KB	Output is correct
10	Correct	3 ms	628 KB	Output is correct
11	Correct	3 ms	632 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	6 ms	640 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	2 ms	652 KB	Output is correct
17	Correct	4 ms	784 KB	Output is correct
18	Correct	4 ms	784 KB	Output is correct
19	Correct	17 ms	800 KB	Output is correct
20	Correct	15 ms	800 KB	Output is correct
21	Correct	622 ms	800 KB	Output is correct
22	Correct	827 ms	800 KB	Output is correct
23	Correct	15 ms	800 KB	Output is correct
24	Correct	638 ms	820 KB	Output is correct
25	Correct	4 ms	820 KB	Output is correct
26	Correct	11 ms	820 KB	Output is correct
27	Correct	488 ms	836 KB	Output is correct
28	Correct	33 ms	836 KB	Output is correct
29	Correct	7 ms	836 KB	Output is correct
30	Correct	17 ms	836 KB	Output is correct
31	Correct	98 ms	848 KB	Output is correct
32	Correct	192 ms	848 KB	Output is correct
33	Correct	55 ms	848 KB	Output is correct
34	Execution timed out	5020 ms	848 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	2 ms	488 KB	Output is correct
4	Correct	3 ms	512 KB	Output is correct
5	Correct	2 ms	536 KB	Output is correct
6	Correct	4 ms	536 KB	Output is correct
7	Correct	3 ms	628 KB	Output is correct
8	Correct	4 ms	628 KB	Output is correct
9	Correct	3 ms	628 KB	Output is correct
10	Correct	3 ms	628 KB	Output is correct
11	Correct	3 ms	632 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	6 ms	640 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	2 ms	652 KB	Output is correct
17	Correct	4 ms	784 KB	Output is correct
18	Correct	4 ms	784 KB	Output is correct
19	Correct	17 ms	800 KB	Output is correct
20	Correct	15 ms	800 KB	Output is correct
21	Correct	622 ms	800 KB	Output is correct
22	Correct	827 ms	800 KB	Output is correct
23	Correct	15 ms	800 KB	Output is correct
24	Correct	638 ms	820 KB	Output is correct
25	Correct	4 ms	820 KB	Output is correct
26	Correct	11 ms	820 KB	Output is correct
27	Correct	488 ms	836 KB	Output is correct
28	Correct	33 ms	836 KB	Output is correct
29	Correct	7 ms	836 KB	Output is correct
30	Correct	17 ms	836 KB	Output is correct
31	Correct	98 ms	848 KB	Output is correct
32	Correct	192 ms	848 KB	Output is correct
33	Correct	55 ms	848 KB	Output is correct
34	Execution timed out	5020 ms	848 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Submission #73739

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 0 / 18.0

Subtask #4 0 / 43.0

Subtask #5 0 / 27.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
0 / 18.0

Subtask #4
0 / 43.0

Subtask #5
0 / 27.0