Submission #537560

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
537560	2022-03-15T08:32:21 Z	jamezzz	Security Gate (JOI18_security_gate)	C++17	12 / 100	5000 ms	300 KB

securitygate

#include <bits/stdc++.h>
using namespace std;

#define sf scanf
#define pf printf

int n,x,pos[25];
char s[105];

int main(){
	sf("%d",&n);
	assert(n<=100);
	sf(" %s",&s);
	for(int i=0;i<n;++i){
		if(s[i]=='x'){
			pos[x]=i;
			++x;
		}
	}
	assert(x<=20);
	int ans=0;
	for(int i=0;i<(1<<x);++i){
		for(int j=0;j<x;++j){
			if(i&(1<<j))s[pos[j]]=')';
			else s[pos[j]]='(';
		}
		bool val=false;
		for(int i=0;i<n;++i){
			for(int j=0;j<n;++j){
				int cnt=0;bool pos=true;
				for(int k=0;k<n;++k){
					int mult=1;
					if(i<=k&&k<=j)mult=-1;
					if(s[k]=='(')cnt+=mult;
					else cnt-=mult;
					if(cnt<0){
						pos=false;
						break;
					}
				}
				if(cnt!=0)pos=false;
				if(pos){
					val=true;
					break;
				}
			}
			if(val)break;
		}
		if(val)++ans;
	}
	pf("%d\n",ans);
}

Compilation message

securitygate.cpp: In function 'int main()':
securitygate.cpp:13:8: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[105]' [-Wformat=]
   13 |  sf(" %s",&s);
      |       ~^  ~~
      |        |  |
      |        |  char (*)[105]
      |        char*
securitygate.cpp:11:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  sf("%d",&n);
      |    ^
securitygate.cpp:13:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  sf(" %s",&s);
      |    ^

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	7 ms	300 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	2 ms	212 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	7 ms	300 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	2 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	23 ms	296 KB	Output is correct
20	Correct	13 ms	300 KB	Output is correct
21	Correct	1570 ms	272 KB	Output is correct
22	Correct	1195 ms	280 KB	Output is correct
23	Correct	20 ms	296 KB	Output is correct
24	Correct	1197 ms	276 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	13 ms	296 KB	Output is correct
27	Correct	1349 ms	284 KB	Output is correct
28	Correct	45 ms	212 KB	Output is correct
29	Correct	6 ms	296 KB	Output is correct
30	Correct	24 ms	296 KB	Output is correct
31	Correct	132 ms	276 KB	Output is correct

Subtask #3
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	7 ms	300 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	2 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	23 ms	296 KB	Output is correct
20	Correct	13 ms	300 KB	Output is correct
21	Correct	1570 ms	272 KB	Output is correct
22	Correct	1195 ms	280 KB	Output is correct
23	Correct	20 ms	296 KB	Output is correct
24	Correct	1197 ms	276 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	13 ms	296 KB	Output is correct
27	Correct	1349 ms	284 KB	Output is correct
28	Correct	45 ms	212 KB	Output is correct
29	Correct	6 ms	296 KB	Output is correct
30	Correct	24 ms	296 KB	Output is correct
31	Correct	132 ms	276 KB	Output is correct
32	Correct	238 ms	288 KB	Output is correct
33	Correct	78 ms	212 KB	Output is correct
34	Execution timed out	5092 ms	212 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Subtask #4
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	7 ms	300 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	2 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	23 ms	296 KB	Output is correct
20	Correct	13 ms	300 KB	Output is correct
21	Correct	1570 ms	272 KB	Output is correct
22	Correct	1195 ms	280 KB	Output is correct
23	Correct	20 ms	296 KB	Output is correct
24	Correct	1197 ms	276 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	13 ms	296 KB	Output is correct
27	Correct	1349 ms	284 KB	Output is correct
28	Correct	45 ms	212 KB	Output is correct
29	Correct	6 ms	296 KB	Output is correct
30	Correct	24 ms	296 KB	Output is correct
31	Correct	132 ms	276 KB	Output is correct
32	Correct	238 ms	288 KB	Output is correct
33	Correct	78 ms	212 KB	Output is correct
34	Execution timed out	5092 ms	212 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	7 ms	300 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	2 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	23 ms	296 KB	Output is correct
20	Correct	13 ms	300 KB	Output is correct
21	Correct	1570 ms	272 KB	Output is correct
22	Correct	1195 ms	280 KB	Output is correct
23	Correct	20 ms	296 KB	Output is correct
24	Correct	1197 ms	276 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	13 ms	296 KB	Output is correct
27	Correct	1349 ms	284 KB	Output is correct
28	Correct	45 ms	212 KB	Output is correct
29	Correct	6 ms	296 KB	Output is correct
30	Correct	24 ms	296 KB	Output is correct
31	Correct	132 ms	276 KB	Output is correct
32	Correct	238 ms	288 KB	Output is correct
33	Correct	78 ms	212 KB	Output is correct
34	Execution timed out	5092 ms	212 KB	Time limit exceeded
35	Halted	0 ms	0 KB	-

Submission #537560

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