#include <bits/stdc++.h>
using namespace std;
long long cost,n,v[10020],l[10020],r[10020],jump[10020],nr;
priority_queue<pair<int,int>>q;
bool candy(int time,int poz)
{
bool ok=false;
for(int i=poz;v[i]!=-1;++i)
if(v[i]||jump[i])
ok=true;
if(ok==false)
return true;
for(int i=poz;v[i]!=-1;++i)
if(v[i]&&time+i-poz<=(i-1)*2)
return true;
return false;
}
bool ok()
{
int time=0;
if(candy(0,1)==false)
return false;
time=r[1]-1;
for(int i=1;i<=n;++i)
{
if(v[i]==-1)
{
if(v[i-1]==-1)
++time;
continue;
}
if(r[i]-i==i-l[i]||r[i]-i==(i-1)-l[i])
{
if(candy(time-(i-1-l[i])+1,l[i]+1)==false)
return false;
time+=r[i]-(i-1);
}
if(r[i]-i<=i-l[i])
{
for(int j=1;j<=jump[i];++j)
{
if(time+r[i]-i>2*(i-1))
return false;
time+=2*(r[i]-i);
}
}
else
{
++time;
for(int j=1;j<=jump[i];++j)
{
if(time>2*(i-1))
return false;
time+=2*(i-l[i]);
}
}
}
if(candy(time-(n-l[n])+1,l[n]+1)==false)
return false;
return true;
}
int main()
{
cin>>n;
for(int i=1;i<=n;++i)
cin>>v[i];
v[10010]=-1;
l[0]=-10010;
r[n+1]=10010;
for(int i=1;i<=n;++i)
{
l[i]=l[i-1];
if(v[i]==-1)
l[i]=i;
}
for(int i=n;i>=1;--i)
{
r[i]=r[i+1];
if(v[i]==-1)
r[i]=i;
}
for(int i=1;i<=n;++i)
q.push({-min(r[i]-i,i-l[i]),i});
while(!q.empty())
{
int ind=q.top().second;
q.pop();
if(v[ind]==-1)
continue;
while(v[ind])
{
--v[ind];
++jump[ind];
if(ok()==false)
{
++v[ind];
--jump[ind];
break;
}
}
}
for(int i=1;i<=10010;++i)
if(v[i]!=-1)
nr+=v[i];
else
{
if(nr)
--cost;
nr=0;
}
for(int i=1;i<=n;++i)
if(v[i]!=-1)
cost+=v[i];
cout<<cost;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
400 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
444 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
400 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
444 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
344 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
400 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
444 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
344 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
1 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
464 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
348 KB |
Output is correct |
51 |
Correct |
2 ms |
472 KB |
Output is correct |
52 |
Correct |
1 ms |
460 KB |
Output is correct |
53 |
Correct |
2 ms |
348 KB |
Output is correct |
54 |
Correct |
3 ms |
344 KB |
Output is correct |
55 |
Correct |
2 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
348 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
1 ms |
600 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
2 ms |
348 KB |
Output is correct |
61 |
Correct |
1 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
400 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
444 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
344 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
1 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
464 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
348 KB |
Output is correct |
51 |
Correct |
2 ms |
472 KB |
Output is correct |
52 |
Correct |
1 ms |
460 KB |
Output is correct |
53 |
Correct |
2 ms |
348 KB |
Output is correct |
54 |
Correct |
3 ms |
344 KB |
Output is correct |
55 |
Correct |
2 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
348 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
1 ms |
600 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
2 ms |
348 KB |
Output is correct |
61 |
Correct |
1 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
63 |
Correct |
25 ms |
604 KB |
Output is correct |
64 |
Correct |
86 ms |
692 KB |
Output is correct |
65 |
Correct |
47 ms |
600 KB |
Output is correct |
66 |
Correct |
66 ms |
708 KB |
Output is correct |
67 |
Correct |
50 ms |
600 KB |
Output is correct |
68 |
Correct |
52 ms |
604 KB |
Output is correct |
69 |
Correct |
62 ms |
704 KB |
Output is correct |
70 |
Correct |
64 ms |
604 KB |
Output is correct |
71 |
Correct |
125 ms |
600 KB |
Output is correct |
72 |
Correct |
119 ms |
668 KB |
Output is correct |
73 |
Correct |
116 ms |
696 KB |
Output is correct |
74 |
Correct |
125 ms |
712 KB |
Output is correct |
75 |
Correct |
2 ms |
604 KB |
Output is correct |
76 |
Correct |
77 ms |
700 KB |
Output is correct |
77 |
Correct |
73 ms |
604 KB |
Output is correct |
78 |
Correct |
72 ms |
708 KB |
Output is correct |
79 |
Correct |
75 ms |
700 KB |
Output is correct |
80 |
Correct |
64 ms |
600 KB |
Output is correct |
81 |
Correct |
75 ms |
604 KB |
Output is correct |
82 |
Correct |
70 ms |
600 KB |
Output is correct |
83 |
Correct |
91 ms |
696 KB |
Output is correct |
84 |
Correct |
100 ms |
676 KB |
Output is correct |
85 |
Correct |
107 ms |
604 KB |
Output is correct |
86 |
Correct |
100 ms |
600 KB |
Output is correct |
87 |
Correct |
108 ms |
692 KB |
Output is correct |
88 |
Correct |
98 ms |
600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
400 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
444 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
344 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
1 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
464 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
348 KB |
Output is correct |
51 |
Correct |
2 ms |
472 KB |
Output is correct |
52 |
Correct |
1 ms |
460 KB |
Output is correct |
53 |
Correct |
2 ms |
348 KB |
Output is correct |
54 |
Correct |
3 ms |
344 KB |
Output is correct |
55 |
Correct |
2 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
348 KB |
Output is correct |
57 |
Correct |
1 ms |
344 KB |
Output is correct |
58 |
Correct |
1 ms |
600 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
2 ms |
348 KB |
Output is correct |
61 |
Correct |
1 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
63 |
Correct |
25 ms |
604 KB |
Output is correct |
64 |
Correct |
86 ms |
692 KB |
Output is correct |
65 |
Correct |
47 ms |
600 KB |
Output is correct |
66 |
Correct |
66 ms |
708 KB |
Output is correct |
67 |
Correct |
50 ms |
600 KB |
Output is correct |
68 |
Correct |
52 ms |
604 KB |
Output is correct |
69 |
Correct |
62 ms |
704 KB |
Output is correct |
70 |
Correct |
64 ms |
604 KB |
Output is correct |
71 |
Correct |
125 ms |
600 KB |
Output is correct |
72 |
Correct |
119 ms |
668 KB |
Output is correct |
73 |
Correct |
116 ms |
696 KB |
Output is correct |
74 |
Correct |
125 ms |
712 KB |
Output is correct |
75 |
Correct |
2 ms |
604 KB |
Output is correct |
76 |
Correct |
77 ms |
700 KB |
Output is correct |
77 |
Correct |
73 ms |
604 KB |
Output is correct |
78 |
Correct |
72 ms |
708 KB |
Output is correct |
79 |
Correct |
75 ms |
700 KB |
Output is correct |
80 |
Correct |
64 ms |
600 KB |
Output is correct |
81 |
Correct |
75 ms |
604 KB |
Output is correct |
82 |
Correct |
70 ms |
600 KB |
Output is correct |
83 |
Correct |
91 ms |
696 KB |
Output is correct |
84 |
Correct |
100 ms |
676 KB |
Output is correct |
85 |
Correct |
107 ms |
604 KB |
Output is correct |
86 |
Correct |
100 ms |
600 KB |
Output is correct |
87 |
Correct |
108 ms |
692 KB |
Output is correct |
88 |
Correct |
98 ms |
600 KB |
Output is correct |
89 |
Incorrect |
2 ms |
600 KB |
Output isn't correct |
90 |
Halted |
0 ms |
0 KB |
- |