oj.uz

Submission #297810

# Submission time Handle Problem Language Result Execution time Memory
297810 2020-09-12T01:53:10 Z balbit Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 111 ms 133368 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int, int>
#define f first
#define s second

#define pb push_back
#define SZ(x) (int)((x).size())
#define ALL(x) (x).begin(), (x).end()
#define MX(a,b) a=max(a,b)
#define MN(a,b) a=min(a,b)
#ifdef BALBIT
#define bug(...) cerr<<"#"<<#__VA_ARGS__<<": ", _do(__VA_ARGS__)
template<typename T> void _do(T && x){cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y){cerr<<x<<", "; _do(y...);}
#define IOS()
#else
#define IOS() ios::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif // BALBIT

void GG(){cout<<-1<<endl; exit(0);}

const int maxn = 204;

ll n,L;
ll X[maxn], T[maxn];
ll dp[maxn][maxn][2][maxn]; // (l,r) is not explored, ,stamps)

signed main(){
    IOS();
    memset(dp, 0x3f, sizeof dp);
    cin>>n>>L;
    for (ll i = 1 ;i<=n; ++i) cin>>X[i];
    X[n+1] = L;
    for (ll i = 1 ;i<=n; ++i) cin>>T[i];
    ++n;
    dp[0][n][0][0]=0;
    dp[0][n][1][0]=0;
    T[0] = -1;
    ll re = 0;
    for (ll df = n-1; df >= 1; --df) {
        for (ll i = 0; i+df <= n; ++i) {
            ll j = i+df;
            for (ll g = 0; g <= n; ++g) {
                if (i)
                    MN(dp[i][j][0][g], dp[i-1][j][0][g] + X[i] - X[i-1]);
                if (j!=n)
                    MN(dp[i][j][1][g], dp[i][j+1][1][g] + X[j+1] - X[j]);
                if (g) {
                    if (i && dp[i-1][j][0][g-1] + X[i] - X[i-1] <= T[i])
                        MN(dp[i][j][0][g], dp[i-1][j][0][g-1] + X[i] - X[i-1]);

                    if (j != n && dp[i][j+1][1][g-1] + X[j+1] - X[j] <= T[j])
                        MN(dp[i][j][1][g], dp[i][j+1][1][g-1] + X[j+1] - X[j]);
                }
                MN(dp[i][j][0][g], dp[i][j][1][g] + L - X[j] + X[i]);
                MN(dp[i][j][1][g], dp[i][j][0][g] + L - X[j] + X[i]);
                if (min(dp[i][j][0][g],dp[i][j][1][g]) < 10000000000ll) {
                    MX(re, g);
                    bug(dp[i][j][0][g], i,j,g);
                }
            }

        }
    }

    cout<<re<<endl;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 133240 KB Output is correct
2 Correct 71 ms 133244 KB Output is correct
3 Correct 70 ms 133368 KB Output is correct
4 Correct 72 ms 133240 KB Output is correct
5 Correct 70 ms 133240 KB Output is correct
6 Correct 71 ms 133240 KB Output is correct
7 Correct 74 ms 133240 KB Output is correct
8 Correct 73 ms 133240 KB Output is correct
9 Correct 73 ms 133240 KB Output is correct
10 Correct 74 ms 133244 KB Output is correct
11 Correct 73 ms 133240 KB Output is correct
12 Correct 72 ms 133240 KB Output is correct
13 Correct 73 ms 133272 KB Output is correct
14 Correct 72 ms 133240 KB Output is correct
15 Correct 72 ms 133240 KB Output is correct
16 Correct 72 ms 133240 KB Output is correct
17 Correct 72 ms 133248 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 133240 KB Output is correct
2 Correct 71 ms 133244 KB Output is correct
3 Correct 70 ms 133368 KB Output is correct
4 Correct 72 ms 133240 KB Output is correct
5 Correct 70 ms 133240 KB Output is correct
6 Correct 71 ms 133240 KB Output is correct
7 Correct 74 ms 133240 KB Output is correct
8 Correct 73 ms 133240 KB Output is correct
9 Correct 73 ms 133240 KB Output is correct
10 Correct 74 ms 133244 KB Output is correct
11 Correct 73 ms 133240 KB Output is correct
12 Correct 72 ms 133240 KB Output is correct
13 Correct 73 ms 133272 KB Output is correct
14 Correct 72 ms 133240 KB Output is correct
15 Correct 72 ms 133240 KB Output is correct
16 Correct 72 ms 133240 KB Output is correct
17 Correct 72 ms 133248 KB Output is correct
18 Correct 71 ms 133240 KB Output is correct
19 Correct 70 ms 133240 KB Output is correct
20 Correct 71 ms 133260 KB Output is correct
21 Correct 72 ms 133248 KB Output is correct
22 Correct 72 ms 133244 KB Output is correct
23 Correct 70 ms 133240 KB Output is correct
24 Correct 72 ms 133240 KB Output is correct
25 Correct 73 ms 133240 KB Output is correct
26 Correct 71 ms 133296 KB Output is correct
27 Correct 71 ms 133240 KB Output is correct
28 Correct 71 ms 133240 KB Output is correct
29 Correct 72 ms 133368 KB Output is correct
30 Correct 73 ms 133240 KB Output is correct
31 Correct 76 ms 133240 KB Output is correct
32 Correct 72 ms 133240 KB Output is correct
33 Correct 73 ms 133240 KB Output is correct
34 Correct 72 ms 133240 KB Output is correct
35 Correct 72 ms 133240 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 133240 KB Output is correct
2 Correct 71 ms 133244 KB Output is correct
3 Correct 70 ms 133368 KB Output is correct
4 Correct 72 ms 133240 KB Output is correct
5 Correct 70 ms 133240 KB Output is correct
6 Correct 71 ms 133240 KB Output is correct
7 Correct 74 ms 133240 KB Output is correct
8 Correct 73 ms 133240 KB Output is correct
9 Correct 73 ms 133240 KB Output is correct
10 Correct 74 ms 133244 KB Output is correct
11 Correct 73 ms 133240 KB Output is correct
12 Correct 72 ms 133240 KB Output is correct
13 Correct 73 ms 133272 KB Output is correct
14 Correct 72 ms 133240 KB Output is correct
15 Correct 72 ms 133240 KB Output is correct
16 Correct 72 ms 133240 KB Output is correct
17 Correct 72 ms 133248 KB Output is correct
18 Correct 103 ms 133240 KB Output is correct
19 Correct 84 ms 133244 KB Output is correct
20 Correct 75 ms 133272 KB Output is correct
21 Correct 86 ms 133240 KB Output is correct
22 Correct 88 ms 133240 KB Output is correct
23 Correct 76 ms 133240 KB Output is correct
24 Correct 73 ms 133240 KB Output is correct
25 Correct 76 ms 133240 KB Output is correct
26 Correct 73 ms 133240 KB Output is correct
27 Correct 77 ms 133196 KB Output is correct
28 Correct 73 ms 133240 KB Output is correct
29 Correct 78 ms 133240 KB Output is correct
30 Correct 73 ms 133240 KB Output is correct
31 Correct 75 ms 133240 KB Output is correct
32 Correct 73 ms 133240 KB Output is correct
33 Correct 81 ms 133240 KB Output is correct
34 Correct 73 ms 133240 KB Output is correct
35 Correct 76 ms 133240 KB Output is correct
36 Correct 72 ms 133240 KB Output is correct
37 Correct 76 ms 133240 KB Output is correct
38 Correct 72 ms 133240 KB Output is correct
39 Correct 79 ms 133240 KB Output is correct
40 Correct 76 ms 133240 KB Output is correct
41 Correct 108 ms 133240 KB Output is correct
42 Correct 91 ms 133368 KB Output is correct
43 Correct 106 ms 133172 KB Output is correct
44 Correct 92 ms 133368 KB Output is correct
45 Correct 108 ms 133240 KB Output is correct
46 Correct 93 ms 133240 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 133240 KB Output is correct
2 Correct 71 ms 133244 KB Output is correct
3 Correct 70 ms 133368 KB Output is correct
4 Correct 72 ms 133240 KB Output is correct
5 Correct 70 ms 133240 KB Output is correct
6 Correct 71 ms 133240 KB Output is correct
7 Correct 74 ms 133240 KB Output is correct
8 Correct 73 ms 133240 KB Output is correct
9 Correct 73 ms 133240 KB Output is correct
10 Correct 74 ms 133244 KB Output is correct
11 Correct 73 ms 133240 KB Output is correct
12 Correct 72 ms 133240 KB Output is correct
13 Correct 73 ms 133272 KB Output is correct
14 Correct 72 ms 133240 KB Output is correct
15 Correct 72 ms 133240 KB Output is correct
16 Correct 72 ms 133240 KB Output is correct
17 Correct 72 ms 133248 KB Output is correct
18 Correct 71 ms 133240 KB Output is correct
19 Correct 70 ms 133240 KB Output is correct
20 Correct 71 ms 133260 KB Output is correct
21 Correct 72 ms 133248 KB Output is correct
22 Correct 72 ms 133244 KB Output is correct
23 Correct 70 ms 133240 KB Output is correct
24 Correct 72 ms 133240 KB Output is correct
25 Correct 73 ms 133240 KB Output is correct
26 Correct 71 ms 133296 KB Output is correct
27 Correct 71 ms 133240 KB Output is correct
28 Correct 71 ms 133240 KB Output is correct
29 Correct 72 ms 133368 KB Output is correct
30 Correct 73 ms 133240 KB Output is correct
31 Correct 76 ms 133240 KB Output is correct
32 Correct 72 ms 133240 KB Output is correct
33 Correct 73 ms 133240 KB Output is correct
34 Correct 72 ms 133240 KB Output is correct
35 Correct 72 ms 133240 KB Output is correct
36 Correct 103 ms 133240 KB Output is correct
37 Correct 84 ms 133244 KB Output is correct
38 Correct 75 ms 133272 KB Output is correct
39 Correct 86 ms 133240 KB Output is correct
40 Correct 88 ms 133240 KB Output is correct
41 Correct 76 ms 133240 KB Output is correct
42 Correct 73 ms 133240 KB Output is correct
43 Correct 76 ms 133240 KB Output is correct
44 Correct 73 ms 133240 KB Output is correct
45 Correct 77 ms 133196 KB Output is correct
46 Correct 73 ms 133240 KB Output is correct
47 Correct 78 ms 133240 KB Output is correct
48 Correct 73 ms 133240 KB Output is correct
49 Correct 75 ms 133240 KB Output is correct
50 Correct 73 ms 133240 KB Output is correct
51 Correct 81 ms 133240 KB Output is correct
52 Correct 73 ms 133240 KB Output is correct
53 Correct 76 ms 133240 KB Output is correct
54 Correct 72 ms 133240 KB Output is correct
55 Correct 76 ms 133240 KB Output is correct
56 Correct 72 ms 133240 KB Output is correct
57 Correct 79 ms 133240 KB Output is correct
58 Correct 76 ms 133240 KB Output is correct
59 Correct 108 ms 133240 KB Output is correct
60 Correct 91 ms 133368 KB Output is correct
61 Correct 106 ms 133172 KB Output is correct
62 Correct 92 ms 133368 KB Output is correct
63 Correct 108 ms 133240 KB Output is correct
64 Correct 93 ms 133240 KB Output is correct
65 Correct 104 ms 133240 KB Output is correct
66 Correct 100 ms 133240 KB Output is correct
67 Correct 96 ms 133240 KB Output is correct
68 Correct 97 ms 133240 KB Output is correct
69 Correct 104 ms 133240 KB Output is correct
70 Correct 104 ms 133240 KB Output is correct
71 Correct 101 ms 133240 KB Output is correct
72 Correct 102 ms 133240 KB Output is correct
73 Correct 98 ms 133240 KB Output is correct
74 Correct 97 ms 133240 KB Output is correct
75 Correct 99 ms 133240 KB Output is correct
76 Correct 109 ms 133296 KB Output is correct
77 Correct 107 ms 133240 KB Output is correct
78 Correct 94 ms 133368 KB Output is correct
79 Correct 96 ms 133240 KB Output is correct
80 Correct 105 ms 133240 KB Output is correct
81 Correct 96 ms 133240 KB Output is correct
82 Correct 99 ms 133240 KB Output is correct
83 Correct 107 ms 133240 KB Output is correct
84 Correct 100 ms 133240 KB Output is correct
85 Correct 105 ms 133240 KB Output is correct
86 Correct 107 ms 133368 KB Output is correct
87 Correct 103 ms 133216 KB Output is correct
88 Correct 108 ms 133240 KB Output is correct
89 Correct 111 ms 133220 KB Output is correct
90 Correct 98 ms 133240 KB Output is correct
91 Correct 107 ms 133240 KB Output is correct
92 Correct 107 ms 133240 KB Output is correct
93 Correct 105 ms 133240 KB Output is correct