Submission #155386

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
155386	2019-09-27T17:44:40 Z	TadijaSebez	Toilets (JOI16_toilets)	C++11	100 / 100	39 ms	4844 KB

toilets

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int N=200050;
char s[N];
int main()
{
	ll n;
	int m;
	scanf("%lld %i",&n,&m);
	vector<pair<ll,pair<ll,ll>>> v;
	ll all=0;
	for(int i=1;i<=m;i++)
	{
		scanf("%s",s+1);
		int len=strlen(s+1);
		ll k;
		scanf("%lld",&k);
		ll mx=0,balance=0;
		for(int j=len;j>=1;j--)
		{
			balance+=(s[j]=='F'?-1:1);
			mx=max(mx,balance);
			if(s[j]=='F') all-=k;
			else all+=k;
		}
		v.pb({k,{mx,balance}});
		//printf("%lld %lld\n",mx,balance);
	}
	if(all>0) return 0*printf("-1\n");
	ll sum=0,ans=0;
	while(v.size())
	{
		ll k,mx,b;
		//tie(k,mx,b)=v.back();
		k=v.back().first;
		mx=v.back().second.first;
		b=v.back().second.second;
		v.pop_back();
        if(b>0) ans=max(ans,mx+sum+b*(k-1));
        else ans=max(ans,mx+sum);
        sum+=k*b;
	}
	printf("%lld\n",max((ll)0,ans-1));
	return 0;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~~~
toilets.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",s+1);
   ~~~~~^~~~~~~~~~
toilets.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&k);
   ~~~~~^~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	348 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	392 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct

Subtask #2
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	348 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	392 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	4 ms	760 KB	Output is correct
24	Correct	4 ms	632 KB	Output is correct
25	Correct	4 ms	632 KB	Output is correct
26	Correct	3 ms	760 KB	Output is correct
27	Correct	4 ms	760 KB	Output is correct
28	Correct	4 ms	760 KB	Output is correct
29	Correct	4 ms	760 KB	Output is correct
30	Correct	4 ms	636 KB	Output is correct
31	Correct	4 ms	760 KB	Output is correct
32	Correct	4 ms	632 KB	Output is correct
33	Correct	4 ms	760 KB	Output is correct
34	Correct	3 ms	760 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	632 KB	Output is correct
37	Correct	3 ms	632 KB	Output is correct
38	Correct	4 ms	632 KB	Output is correct
39	Correct	4 ms	632 KB	Output is correct
40	Correct	6 ms	848 KB	Output is correct

Subtask #3
64.0 / 64.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	348 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	392 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	4 ms	760 KB	Output is correct
24	Correct	4 ms	632 KB	Output is correct
25	Correct	4 ms	632 KB	Output is correct
26	Correct	3 ms	760 KB	Output is correct
27	Correct	4 ms	760 KB	Output is correct
28	Correct	4 ms	760 KB	Output is correct
29	Correct	4 ms	760 KB	Output is correct
30	Correct	4 ms	636 KB	Output is correct
31	Correct	4 ms	760 KB	Output is correct
32	Correct	4 ms	632 KB	Output is correct
33	Correct	4 ms	760 KB	Output is correct
34	Correct	3 ms	760 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	632 KB	Output is correct
37	Correct	3 ms	632 KB	Output is correct
38	Correct	4 ms	632 KB	Output is correct
39	Correct	4 ms	632 KB	Output is correct
40	Correct	6 ms	848 KB	Output is correct
41	Correct	39 ms	4844 KB	Output is correct
42	Correct	38 ms	4816 KB	Output is correct
43	Correct	2 ms	256 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	396 KB	Output is correct
46	Correct	9 ms	1208 KB	Output is correct
47	Correct	5 ms	632 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	632 KB	Output is correct
50	Correct	3 ms	632 KB	Output is correct
51	Correct	9 ms	1208 KB	Output is correct
52	Correct	34 ms	4456 KB	Output is correct
53	Correct	33 ms	4456 KB	Output is correct
54	Correct	35 ms	4460 KB	Output is correct
55	Correct	4 ms	504 KB	Output is correct
56	Correct	3 ms	504 KB	Output is correct

Submission #155386

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 64.0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
64.0 / 64.0