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Submission #733545

# Submission time Handle Problem Language Result Execution time Memory
733545 2023-05-01T02:47:37 Z pcc Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 1457 ms 85596 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll int
#define pll pair<ll,ll>
#define fs first
#define sc second

const ll mxn = 202;
ll dp[mxn][mxn][mxn][2];
bool done[mxn][mxn][mxn][2];
pll arr[mxn];
priority_queue<tuple<ll,ll,ll,ll,ll>,vector<tuple<ll,ll,ll,ll,ll>>,greater<tuple<ll,ll,ll,ll,ll>>> pq;
ll n,L;
const ll inf = 1e9+10;

ll calc(ll s,ll e,ll dir){
	if(dir){
		return (e+L-s)%(L);
	}
	else{
		return L-(e+L-s)%L;
	}
}

void solve(){
	cin>>n>>L;
	for(int i = 1;i<=n;i++)cin>>arr[i].fs;
	for(int i = 1;i<=n;i++)cin>>arr[i].sc;
	for(auto &i:dp)for(auto &j:i)for(auto &k:j)for(auto &l:k)l = inf;
	arr[0] = {0,0};
	dp[0][0][0][0] = 0;
	pq.push(make_tuple(0,0,0,0,0));
	ll ans = 0;
	while(!pq.empty()){
		ll val = get<0>(pq.top()),l = get<1>(pq.top()),r = get<2>(pq.top());
		ll cnt = get<3>(pq.top()),dir = get<4>(pq.top());
		//cout<<val<<' '<<l<<' '<<r<<' '<<cnt<<' '<<dir<<endl;
		pq.pop();
		if(dp[l][r][cnt][dir] != val)continue;
		if((r+1)%(n+1) == l){
			ans = max(ans,cnt);
			continue;
		}
		ll pos = (dir?arr[r].fs:arr[l].fs);
		int nr = r+1;
		if(nr>=n+1)nr -= n+1;
		int nl = l-1;
		if(nl<0)nl += n+1;
		ll rt = val+calc(pos,arr[nr].fs,1);
		ll rcnt = cnt + (rt<=arr[nr].sc?1:0);
		if(dp[l][nr][rcnt][1] > rt)pq.push(make_tuple(rt,l,nr,rcnt,1)),dp[l][nr][rcnt][1] = rt;
		ll lt = val+calc(pos,arr[nl].fs,0);
		ll lcnt = cnt+(lt<=arr[nl].sc?1:0);
		//cout<<l<<','<<r<<','<<dir<<','<<pos<<lt<<','<<lcnt<<','<<','<<nl<<endl;
		if(dp[nl][r][lcnt][0] > lt)pq.push(make_tuple(lt,nl,r,lcnt,0)),dp[nl][r][lcnt][0] = lt;
	}
	cout<<ans;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int t = 1;
	while(t--)solve();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 64716 KB Output is correct
2 Correct 28 ms 64816 KB Output is correct
3 Correct 29 ms 64828 KB Output is correct
4 Correct 30 ms 64728 KB Output is correct
5 Correct 32 ms 64716 KB Output is correct
6 Correct 29 ms 64820 KB Output is correct
7 Correct 30 ms 64760 KB Output is correct
8 Correct 30 ms 64852 KB Output is correct
9 Correct 29 ms 64816 KB Output is correct
10 Correct 29 ms 64784 KB Output is correct
11 Correct 29 ms 64736 KB Output is correct
12 Correct 30 ms 64764 KB Output is correct
13 Correct 30 ms 64752 KB Output is correct
14 Correct 30 ms 64760 KB Output is correct
15 Correct 30 ms 64824 KB Output is correct
16 Correct 36 ms 64820 KB Output is correct
17 Correct 30 ms 64836 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 64716 KB Output is correct
2 Correct 28 ms 64816 KB Output is correct
3 Correct 29 ms 64828 KB Output is correct
4 Correct 30 ms 64728 KB Output is correct
5 Correct 32 ms 64716 KB Output is correct
6 Correct 29 ms 64820 KB Output is correct
7 Correct 30 ms 64760 KB Output is correct
8 Correct 30 ms 64852 KB Output is correct
9 Correct 29 ms 64816 KB Output is correct
10 Correct 29 ms 64784 KB Output is correct
11 Correct 29 ms 64736 KB Output is correct
12 Correct 30 ms 64764 KB Output is correct
13 Correct 30 ms 64752 KB Output is correct
14 Correct 30 ms 64760 KB Output is correct
15 Correct 30 ms 64824 KB Output is correct
16 Correct 36 ms 64820 KB Output is correct
17 Correct 30 ms 64836 KB Output is correct
18 Correct 37 ms 64768 KB Output is correct
19 Correct 30 ms 64724 KB Output is correct
20 Correct 36 ms 64812 KB Output is correct
21 Correct 33 ms 64804 KB Output is correct
22 Correct 30 ms 64764 KB Output is correct
23 Correct 31 ms 64828 KB Output is correct
24 Correct 31 ms 64852 KB Output is correct
25 Correct 30 ms 64792 KB Output is correct
26 Correct 32 ms 64804 KB Output is correct
27 Correct 32 ms 64852 KB Output is correct
28 Correct 30 ms 64768 KB Output is correct
29 Correct 31 ms 64724 KB Output is correct
30 Correct 29 ms 64852 KB Output is correct
31 Correct 39 ms 64764 KB Output is correct
32 Correct 32 ms 64756 KB Output is correct
33 Correct 32 ms 64832 KB Output is correct
34 Correct 33 ms 64764 KB Output is correct
35 Correct 31 ms 64764 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 64716 KB Output is correct
2 Correct 28 ms 64816 KB Output is correct
3 Correct 29 ms 64828 KB Output is correct
4 Correct 30 ms 64728 KB Output is correct
5 Correct 32 ms 64716 KB Output is correct
6 Correct 29 ms 64820 KB Output is correct
7 Correct 30 ms 64760 KB Output is correct
8 Correct 30 ms 64852 KB Output is correct
9 Correct 29 ms 64816 KB Output is correct
10 Correct 29 ms 64784 KB Output is correct
11 Correct 29 ms 64736 KB Output is correct
12 Correct 30 ms 64764 KB Output is correct
13 Correct 30 ms 64752 KB Output is correct
14 Correct 30 ms 64760 KB Output is correct
15 Correct 30 ms 64824 KB Output is correct
16 Correct 36 ms 64820 KB Output is correct
17 Correct 30 ms 64836 KB Output is correct
18 Correct 841 ms 75284 KB Output is correct
19 Correct 388 ms 70056 KB Output is correct
20 Correct 134 ms 67424 KB Output is correct
21 Correct 301 ms 70108 KB Output is correct
22 Correct 528 ms 75168 KB Output is correct
23 Correct 151 ms 67460 KB Output is correct
24 Correct 63 ms 66224 KB Output is correct
25 Correct 130 ms 67468 KB Output is correct
26 Correct 43 ms 65324 KB Output is correct
27 Correct 158 ms 67440 KB Output is correct
28 Correct 58 ms 66208 KB Output is correct
29 Correct 125 ms 67420 KB Output is correct
30 Correct 62 ms 66208 KB Output is correct
31 Correct 119 ms 67508 KB Output is correct
32 Correct 58 ms 65540 KB Output is correct
33 Correct 116 ms 66244 KB Output is correct
34 Correct 41 ms 65540 KB Output is correct
35 Correct 49 ms 65288 KB Output is correct
36 Correct 45 ms 65492 KB Output is correct
37 Correct 55 ms 65500 KB Output is correct
38 Correct 57 ms 65524 KB Output is correct
39 Correct 56 ms 65556 KB Output is correct
40 Correct 49 ms 65724 KB Output is correct
41 Correct 1457 ms 85596 KB Output is correct
42 Correct 38 ms 65196 KB Output is correct
43 Correct 1421 ms 85404 KB Output is correct
44 Correct 37 ms 65076 KB Output is correct
45 Correct 1437 ms 85476 KB Output is correct
46 Correct 38 ms 65320 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 64716 KB Output is correct
2 Correct 28 ms 64816 KB Output is correct
3 Correct 29 ms 64828 KB Output is correct
4 Correct 30 ms 64728 KB Output is correct
5 Correct 32 ms 64716 KB Output is correct
6 Correct 29 ms 64820 KB Output is correct
7 Correct 30 ms 64760 KB Output is correct
8 Correct 30 ms 64852 KB Output is correct
9 Correct 29 ms 64816 KB Output is correct
10 Correct 29 ms 64784 KB Output is correct
11 Correct 29 ms 64736 KB Output is correct
12 Correct 30 ms 64764 KB Output is correct
13 Correct 30 ms 64752 KB Output is correct
14 Correct 30 ms 64760 KB Output is correct
15 Correct 30 ms 64824 KB Output is correct
16 Correct 36 ms 64820 KB Output is correct
17 Correct 30 ms 64836 KB Output is correct
18 Correct 37 ms 64768 KB Output is correct
19 Correct 30 ms 64724 KB Output is correct
20 Correct 36 ms 64812 KB Output is correct
21 Correct 33 ms 64804 KB Output is correct
22 Correct 30 ms 64764 KB Output is correct
23 Correct 31 ms 64828 KB Output is correct
24 Correct 31 ms 64852 KB Output is correct
25 Correct 30 ms 64792 KB Output is correct
26 Correct 32 ms 64804 KB Output is correct
27 Correct 32 ms 64852 KB Output is correct
28 Correct 30 ms 64768 KB Output is correct
29 Correct 31 ms 64724 KB Output is correct
30 Correct 29 ms 64852 KB Output is correct
31 Correct 39 ms 64764 KB Output is correct
32 Correct 32 ms 64756 KB Output is correct
33 Correct 32 ms 64832 KB Output is correct
34 Correct 33 ms 64764 KB Output is correct
35 Correct 31 ms 64764 KB Output is correct
36 Correct 841 ms 75284 KB Output is correct
37 Correct 388 ms 70056 KB Output is correct
38 Correct 134 ms 67424 KB Output is correct
39 Correct 301 ms 70108 KB Output is correct
40 Correct 528 ms 75168 KB Output is correct
41 Correct 151 ms 67460 KB Output is correct
42 Correct 63 ms 66224 KB Output is correct
43 Correct 130 ms 67468 KB Output is correct
44 Correct 43 ms 65324 KB Output is correct
45 Correct 158 ms 67440 KB Output is correct
46 Correct 58 ms 66208 KB Output is correct
47 Correct 125 ms 67420 KB Output is correct
48 Correct 62 ms 66208 KB Output is correct
49 Correct 119 ms 67508 KB Output is correct
50 Correct 58 ms 65540 KB Output is correct
51 Correct 116 ms 66244 KB Output is correct
52 Correct 41 ms 65540 KB Output is correct
53 Correct 49 ms 65288 KB Output is correct
54 Correct 45 ms 65492 KB Output is correct
55 Correct 55 ms 65500 KB Output is correct
56 Correct 57 ms 65524 KB Output is correct
57 Correct 56 ms 65556 KB Output is correct
58 Correct 49 ms 65724 KB Output is correct
59 Correct 1457 ms 85596 KB Output is correct
60 Correct 38 ms 65196 KB Output is correct
61 Correct 1421 ms 85404 KB Output is correct
62 Correct 37 ms 65076 KB Output is correct
63 Correct 1437 ms 85476 KB Output is correct
64 Correct 38 ms 65320 KB Output is correct
65 Correct 64 ms 65588 KB Output is correct
66 Correct 77 ms 65508 KB Output is correct
67 Correct 56 ms 65224 KB Output is correct
68 Correct 65 ms 65200 KB Output is correct
69 Correct 67 ms 65532 KB Output is correct
70 Correct 118 ms 66244 KB Output is correct
71 Correct 34 ms 64824 KB Output is correct
72 Correct 113 ms 65556 KB Output is correct
73 Correct 32 ms 64808 KB Output is correct
74 Correct 102 ms 66256 KB Output is correct
75 Correct 34 ms 64848 KB Output is correct
76 Correct 371 ms 67476 KB Output is correct
77 Correct 38 ms 64844 KB Output is correct
78 Correct 250 ms 66180 KB Output is correct
79 Correct 49 ms 65296 KB Output is correct
80 Correct 356 ms 67520 KB Output is correct
81 Correct 35 ms 64852 KB Output is correct
82 Correct 183 ms 67536 KB Output is correct
83 Correct 46 ms 65072 KB Output is correct
84 Correct 198 ms 67580 KB Output is correct
85 Correct 31 ms 64740 KB Output is correct
86 Correct 232 ms 67504 KB Output is correct
87 Correct 52 ms 65204 KB Output is correct
88 Correct 89 ms 65544 KB Output is correct
89 Correct 41 ms 65036 KB Output is correct
90 Correct 36 ms 64972 KB Output is correct
91 Correct 92 ms 65548 KB Output is correct
92 Correct 46 ms 65072 KB Output is correct
93 Correct 35 ms 64968 KB Output is correct