oj.uz

Submission #540945

# Submission time Handle Problem Language Result Execution time Memory
540945 2022-03-22T03:35:10 Z PixelCat Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 158 ms 145392 KB 
/* code by the cute ~~Dengdualang~~ PixelCat owo */
/*     as cute as nacho neko (aka. my wife)!     */

/*     Nhade stay for a night here               */
/*     183234 deng deng deng pixelcat oops       */
/*     (yang wang yesu)*2                        */
/*     ^ some weird stuff. nvm =w=               */

#pragma GCC optimize("O4,unroll-loops,no-stack-protector")
#include <bits/stdc++.h>
#define int LL  //__int128
#define double long double
using namespace std;
using LL = long long;
using LLL = __int128_t;
using uLL = unsigned long long;
using pii = pair<int, int>;

#define For(i, a, b) for (int i = a; i <= b; i++)
#define Fors(i, a, b, s) for (int i = a; i <= b; i += s)
#define Forr(i, a, b) for (int i = a; i >= b; i--)
#define F first
#define S second
#define L(id) (id * 2 + 1)
#define R(id) (id * 2 + 2)
#define LO(x) (x & (-x))

#define eb emplace_back
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define mkp make_pair

#define MOD (int)(998244353)
// #define MOD (int)((LL)1e9 + 7)
#define INF (int)(4e18)
// #define INF 1e9
#define EPS (1e-6)

#ifdef NYAOWO
#include "library/debug.hpp"
inline void USACO(const string &s) {
    cerr << "USACO: " << s << "\n";
}

#else
#define debug(...)
inline void timer() {}
inline void USACO(const string &s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

#endif

inline void NYA() {
    ios::sync_with_stdio(false);
    cin.tie(0);
}
inline int gcd(int a, int b) {
    return __gcd(a, b);
}
inline int lcm(int a, int b) {
    return a / gcd(a, b) * b;
}
int fpow(int b, int p, const int &mod) {
    int ans = 1;
    while (p) {
        if (p & 1) ans = ans * b % mod;
        p >>= 1;
        b = b * b % mod;
    }
    return ans;
}
int fpow(int b, int p) {
    return fpow(b, p, MOD);
}
template <typename T>
inline void chmin(T &_a, const T &_b) {
    if (_b < _a) _a = _b;
}
template <typename T>
inline void chmax(T &_a, const T &_b) {
    if (_b > _a) _a = _b;
}
// mt19937_64 rng(
//     chrono::steady_clock::now().time_since_epoch().count());

const int MAXN=210;

int x[MAXN];
int t[MAXN];
int dp[MAXN][MAXN][2][MAXN];

int32_t main() {
    NYA();
    // nyaacho >/////<
    // miku sama bless me >/////<
    int n,L; cin>>n>>L;
    For(i,1,n) cin>>x[i];
    For(i,1,n) cin>>t[i];
    x[n+1]=L;
    auto dist=[&](int a,int b) -> int{
        int owo=(abs(x[a]-x[b]))%L;
        return min(owo,L-owo);
    };
    memset(dp,0x3f3f3f3f,sizeof(dp));
    dp[n+1][0][0][0]=dp[n+1][0][1][0]=0;
    Forr(l,n+1,2) For(r,0,l-2) For(end,0,1) For(get,0,n){
        auto &now=dp[l][r][end][get];
        if(now>INF) continue;

        int nx;
        if(end) nx=r;
        else nx=l;

        // go to left
        int tm=now+dist(nx,l-1);
        chmin(dp[l-1][r][0][get+(tm<=t[l-1])],tm);

        //go to right
        tm=now+dist(nx,r+1);
        chmin(dp[l][r+1][1][get+(tm<=t[r+1])],tm);
    }
    int ans=0;
    Forr(l,n+1,1) For(r,0,l-1) For(end,0,1) For(get,0,n){
        auto &now=dp[l][r][end][get];
        if(now<INF){
            chmax(ans,get);
        }
    }
    cout<<ans<<"\n";
    // debug(dp[7][0][0][0]);
    // debug(dp[6][0][0][1]);
    // debug(dp[5][0][0][2]);
    // debug(dp[5][1][1][3]);
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 145296 KB Output is correct
2 Correct 56 ms 145188 KB Output is correct
3 Correct 53 ms 145248 KB Output is correct
4 Correct 54 ms 145224 KB Output is correct
5 Correct 55 ms 145228 KB Output is correct
6 Correct 55 ms 145288 KB Output is correct
7 Correct 55 ms 145196 KB Output is correct
8 Correct 55 ms 145280 KB Output is correct
9 Correct 54 ms 145228 KB Output is correct
10 Correct 57 ms 145220 KB Output is correct
11 Correct 55 ms 145236 KB Output is correct
12 Correct 55 ms 145172 KB Output is correct
13 Correct 69 ms 145272 KB Output is correct
14 Correct 54 ms 145212 KB Output is correct
15 Correct 56 ms 145228 KB Output is correct
16 Correct 56 ms 145172 KB Output is correct
17 Correct 57 ms 145212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 145296 KB Output is correct
2 Correct 56 ms 145188 KB Output is correct
3 Correct 53 ms 145248 KB Output is correct
4 Correct 54 ms 145224 KB Output is correct
5 Correct 55 ms 145228 KB Output is correct
6 Correct 55 ms 145288 KB Output is correct
7 Correct 55 ms 145196 KB Output is correct
8 Correct 55 ms 145280 KB Output is correct
9 Correct 54 ms 145228 KB Output is correct
10 Correct 57 ms 145220 KB Output is correct
11 Correct 55 ms 145236 KB Output is correct
12 Correct 55 ms 145172 KB Output is correct
13 Correct 69 ms 145272 KB Output is correct
14 Correct 54 ms 145212 KB Output is correct
15 Correct 56 ms 145228 KB Output is correct
16 Correct 56 ms 145172 KB Output is correct
17 Correct 57 ms 145212 KB Output is correct
18 Correct 57 ms 145260 KB Output is correct
19 Correct 56 ms 145276 KB Output is correct
20 Correct 56 ms 145228 KB Output is correct
21 Correct 55 ms 145204 KB Output is correct
22 Correct 56 ms 145212 KB Output is correct
23 Correct 65 ms 145220 KB Output is correct
24 Correct 58 ms 145192 KB Output is correct
25 Correct 63 ms 145228 KB Output is correct
26 Correct 56 ms 145172 KB Output is correct
27 Correct 57 ms 145284 KB Output is correct
28 Correct 55 ms 145180 KB Output is correct
29 Correct 60 ms 145228 KB Output is correct
30 Correct 67 ms 145264 KB Output is correct
31 Correct 54 ms 145216 KB Output is correct
32 Correct 55 ms 145236 KB Output is correct
33 Correct 54 ms 145176 KB Output is correct
34 Correct 56 ms 145260 KB Output is correct
35 Correct 68 ms 145288 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 145296 KB Output is correct
2 Correct 56 ms 145188 KB Output is correct
3 Correct 53 ms 145248 KB Output is correct
4 Correct 54 ms 145224 KB Output is correct
5 Correct 55 ms 145228 KB Output is correct
6 Correct 55 ms 145288 KB Output is correct
7 Correct 55 ms 145196 KB Output is correct
8 Correct 55 ms 145280 KB Output is correct
9 Correct 54 ms 145228 KB Output is correct
10 Correct 57 ms 145220 KB Output is correct
11 Correct 55 ms 145236 KB Output is correct
12 Correct 55 ms 145172 KB Output is correct
13 Correct 69 ms 145272 KB Output is correct
14 Correct 54 ms 145212 KB Output is correct
15 Correct 56 ms 145228 KB Output is correct
16 Correct 56 ms 145172 KB Output is correct
17 Correct 57 ms 145212 KB Output is correct
18 Correct 103 ms 145228 KB Output is correct
19 Correct 83 ms 145292 KB Output is correct
20 Correct 63 ms 145268 KB Output is correct
21 Correct 75 ms 145252 KB Output is correct
22 Correct 87 ms 145272 KB Output is correct
23 Correct 72 ms 145296 KB Output is correct
24 Correct 67 ms 145292 KB Output is correct
25 Correct 65 ms 145292 KB Output is correct
26 Correct 61 ms 145244 KB Output is correct
27 Correct 69 ms 145260 KB Output is correct
28 Correct 74 ms 145228 KB Output is correct
29 Correct 77 ms 145196 KB Output is correct
30 Correct 60 ms 145288 KB Output is correct
31 Correct 69 ms 145228 KB Output is correct
32 Correct 70 ms 145268 KB Output is correct
33 Correct 65 ms 145280 KB Output is correct
34 Correct 54 ms 145260 KB Output is correct
35 Correct 60 ms 145356 KB Output is correct
36 Correct 56 ms 145292 KB Output is correct
37 Correct 60 ms 145252 KB Output is correct
38 Correct 63 ms 145276 KB Output is correct
39 Correct 60 ms 145212 KB Output is correct
40 Correct 58 ms 145260 KB Output is correct
41 Correct 122 ms 145392 KB Output is correct
42 Correct 64 ms 145292 KB Output is correct
43 Correct 127 ms 145204 KB Output is correct
44 Correct 73 ms 145252 KB Output is correct
45 Correct 136 ms 145284 KB Output is correct
46 Correct 79 ms 145328 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 145296 KB Output is correct
2 Correct 56 ms 145188 KB Output is correct
3 Correct 53 ms 145248 KB Output is correct
4 Correct 54 ms 145224 KB Output is correct
5 Correct 55 ms 145228 KB Output is correct
6 Correct 55 ms 145288 KB Output is correct
7 Correct 55 ms 145196 KB Output is correct
8 Correct 55 ms 145280 KB Output is correct
9 Correct 54 ms 145228 KB Output is correct
10 Correct 57 ms 145220 KB Output is correct
11 Correct 55 ms 145236 KB Output is correct
12 Correct 55 ms 145172 KB Output is correct
13 Correct 69 ms 145272 KB Output is correct
14 Correct 54 ms 145212 KB Output is correct
15 Correct 56 ms 145228 KB Output is correct
16 Correct 56 ms 145172 KB Output is correct
17 Correct 57 ms 145212 KB Output is correct
18 Correct 57 ms 145260 KB Output is correct
19 Correct 56 ms 145276 KB Output is correct
20 Correct 56 ms 145228 KB Output is correct
21 Correct 55 ms 145204 KB Output is correct
22 Correct 56 ms 145212 KB Output is correct
23 Correct 65 ms 145220 KB Output is correct
24 Correct 58 ms 145192 KB Output is correct
25 Correct 63 ms 145228 KB Output is correct
26 Correct 56 ms 145172 KB Output is correct
27 Correct 57 ms 145284 KB Output is correct
28 Correct 55 ms 145180 KB Output is correct
29 Correct 60 ms 145228 KB Output is correct
30 Correct 67 ms 145264 KB Output is correct
31 Correct 54 ms 145216 KB Output is correct
32 Correct 55 ms 145236 KB Output is correct
33 Correct 54 ms 145176 KB Output is correct
34 Correct 56 ms 145260 KB Output is correct
35 Correct 68 ms 145288 KB Output is correct
36 Correct 103 ms 145228 KB Output is correct
37 Correct 83 ms 145292 KB Output is correct
38 Correct 63 ms 145268 KB Output is correct
39 Correct 75 ms 145252 KB Output is correct
40 Correct 87 ms 145272 KB Output is correct
41 Correct 72 ms 145296 KB Output is correct
42 Correct 67 ms 145292 KB Output is correct
43 Correct 65 ms 145292 KB Output is correct
44 Correct 61 ms 145244 KB Output is correct
45 Correct 69 ms 145260 KB Output is correct
46 Correct 74 ms 145228 KB Output is correct
47 Correct 77 ms 145196 KB Output is correct
48 Correct 60 ms 145288 KB Output is correct
49 Correct 69 ms 145228 KB Output is correct
50 Correct 70 ms 145268 KB Output is correct
51 Correct 65 ms 145280 KB Output is correct
52 Correct 54 ms 145260 KB Output is correct
53 Correct 60 ms 145356 KB Output is correct
54 Correct 56 ms 145292 KB Output is correct
55 Correct 60 ms 145252 KB Output is correct
56 Correct 63 ms 145276 KB Output is correct
57 Correct 60 ms 145212 KB Output is correct
58 Correct 58 ms 145260 KB Output is correct
59 Correct 122 ms 145392 KB Output is correct
60 Correct 64 ms 145292 KB Output is correct
61 Correct 127 ms 145204 KB Output is correct
62 Correct 73 ms 145252 KB Output is correct
63 Correct 136 ms 145284 KB Output is correct
64 Correct 79 ms 145328 KB Output is correct
65 Correct 121 ms 145292 KB Output is correct
66 Correct 108 ms 145296 KB Output is correct
67 Correct 105 ms 145260 KB Output is correct
68 Correct 95 ms 145264 KB Output is correct
69 Correct 114 ms 145204 KB Output is correct
70 Correct 113 ms 145292 KB Output is correct
71 Correct 101 ms 145292 KB Output is correct
72 Correct 129 ms 145228 KB Output is correct
73 Correct 92 ms 145300 KB Output is correct
74 Correct 105 ms 145292 KB Output is correct
75 Correct 92 ms 145292 KB Output is correct
76 Correct 134 ms 145292 KB Output is correct
77 Correct 117 ms 145272 KB Output is correct
78 Correct 111 ms 145340 KB Output is correct
79 Correct 100 ms 145216 KB Output is correct
80 Correct 132 ms 145292 KB Output is correct
81 Correct 92 ms 145288 KB Output is correct
82 Correct 85 ms 145288 KB Output is correct
83 Correct 114 ms 145296 KB Output is correct
84 Correct 85 ms 145228 KB Output is correct
85 Correct 98 ms 145264 KB Output is correct
86 Correct 105 ms 145268 KB Output is correct
87 Correct 115 ms 145228 KB Output is correct
88 Correct 149 ms 145228 KB Output is correct
89 Correct 125 ms 145184 KB Output is correct
90 Correct 68 ms 145292 KB Output is correct
91 Correct 158 ms 145292 KB Output is correct
92 Correct 131 ms 145324 KB Output is correct
93 Correct 69 ms 145292 KB Output is correct