oj.uz

Submission #475939

# Submission time Handle Problem Language Result Execution time Memory
475939 2021-09-24T13:37:14 Z ymm Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 407 ms 145408 KB 
///
///   Let the voice of love take you higher!
///

#define _USE_MATH_DEFINES
#define FAST ios::sync_with_stdio(false),cin.tie(0);
#include <bits/stdc++.h>
#define Loop(x, l, r) for(ll x = ll(l); x < ll(r); ++x)
#define LoopR(x, l, r) for(ll x = ll(r)-1; x >= ll(l); --x)
#define all(x) x.begin(), x.end()
#define Kill(x) exit((cout << (x) << '\n', 0))
#define YN(flag) ((flag)? "YES": "NO")
#define F first
#define S second
typedef          long long   ll;
typedef unsigned long long  ull;
typedef std::pair<int,int>  pii;
typedef std::pair<ll ,ll >  pll;
using namespace std;

#define int ll

const int N = 210;
ll dp[2][N][N][N]; // d, cnt, l, r
ll len, _x[N], *x = _x+1;
ll _t[N], *t = _t+1;
int n;

ll dis(int i, int j)
{
    return min(abs(x[j]-x[i]), len-abs(x[j]-x[i]));
}

bool gd(int i, int j, ll t)
{
    if(t > 1e10) return 0;
    return dis(i,j)+t <= ::t[j];
}

void smin(ll& x, ll y){x = min(x, y);}

signed main()
{
    FAST;
    cin >> n >> len;
    Loop(i,0,n) cin >> x[i];
    x[n] = x[0]; x[-1] = x[n-1];
    Loop(i,0,n) cin >> t[i];
    t[n] = t[0]; t[-1] = t[n-1];
    memset(dp, 31, sizeof dp);
    dp[0][t[0  ]>=    x[  0]][1][n  ] =     x[  0];
    dp[0][t[0  ]>=    x[  0]][1][n  ] =     x[  0];
    dp[1][t[n-1]>=len-x[n-1]][0][n-1] = len-x[n-1];
    dp[1][t[n-1]>=len-x[n-1]][0][n-1] = len-x[n-1];
    LoopR(k,1,n)
    {
        Loop(l,0,n-k+1)
        {
            int r = l+k;
            Loop(cnt,0,n)
            {
                smin(dp[0][cnt+gd(l-1,l  ,dp[0][cnt][l][r])][l+1][r], dp[0][cnt][l][r]+dis(l-1,l  ));
                smin(dp[1][cnt+gd(l-1,r-1,dp[0][cnt][l][r])][l][r-1], dp[0][cnt][l][r]+dis(l-1,r-1));
                smin(dp[0][cnt+gd(r  ,l  ,dp[1][cnt][l][r])][l+1][r], dp[1][cnt][l][r]+dis(r  ,l  ));
                smin(dp[1][cnt+gd(r  ,r-1,dp[1][cnt][l][r])][l][r-1], dp[1][cnt][l][r]+dis(r  ,r-1));
            }
        }
    }
    int ans = 0;
    Loop(i,0,n+1) Loop(cnt,ans+1,n+1)
    {
        if(dp[0][cnt][i][i] < 1e10) ans = cnt;
        if(dp[1][cnt][i][i] < 1e10) ans = cnt;
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 145216 KB Output is correct
2 Correct 55 ms 145188 KB Output is correct
3 Correct 59 ms 145200 KB Output is correct
4 Correct 58 ms 145268 KB Output is correct
5 Correct 54 ms 145172 KB Output is correct
6 Correct 61 ms 145232 KB Output is correct
7 Correct 60 ms 145272 KB Output is correct
8 Correct 54 ms 145268 KB Output is correct
9 Correct 55 ms 145220 KB Output is correct
10 Correct 55 ms 145172 KB Output is correct
11 Correct 55 ms 145308 KB Output is correct
12 Correct 55 ms 145268 KB Output is correct
13 Correct 59 ms 145220 KB Output is correct
14 Correct 55 ms 145256 KB Output is correct
15 Correct 63 ms 145216 KB Output is correct
16 Correct 60 ms 145200 KB Output is correct
17 Correct 57 ms 145192 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 145216 KB Output is correct
2 Correct 55 ms 145188 KB Output is correct
3 Correct 59 ms 145200 KB Output is correct
4 Correct 58 ms 145268 KB Output is correct
5 Correct 54 ms 145172 KB Output is correct
6 Correct 61 ms 145232 KB Output is correct
7 Correct 60 ms 145272 KB Output is correct
8 Correct 54 ms 145268 KB Output is correct
9 Correct 55 ms 145220 KB Output is correct
10 Correct 55 ms 145172 KB Output is correct
11 Correct 55 ms 145308 KB Output is correct
12 Correct 55 ms 145268 KB Output is correct
13 Correct 59 ms 145220 KB Output is correct
14 Correct 55 ms 145256 KB Output is correct
15 Correct 63 ms 145216 KB Output is correct
16 Correct 60 ms 145200 KB Output is correct
17 Correct 57 ms 145192 KB Output is correct
18 Correct 58 ms 145264 KB Output is correct
19 Correct 55 ms 145220 KB Output is correct
20 Correct 59 ms 145248 KB Output is correct
21 Correct 55 ms 145256 KB Output is correct
22 Correct 58 ms 145220 KB Output is correct
23 Correct 66 ms 145256 KB Output is correct
24 Correct 54 ms 145220 KB Output is correct
25 Correct 55 ms 145220 KB Output is correct
26 Correct 63 ms 145232 KB Output is correct
27 Correct 59 ms 145280 KB Output is correct
28 Correct 60 ms 145168 KB Output is correct
29 Correct 60 ms 145272 KB Output is correct
30 Correct 58 ms 145168 KB Output is correct
31 Correct 60 ms 145168 KB Output is correct
32 Correct 55 ms 145280 KB Output is correct
33 Correct 55 ms 145216 KB Output is correct
34 Correct 63 ms 145176 KB Output is correct
35 Correct 61 ms 145196 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 145216 KB Output is correct
2 Correct 55 ms 145188 KB Output is correct
3 Correct 59 ms 145200 KB Output is correct
4 Correct 58 ms 145268 KB Output is correct
5 Correct 54 ms 145172 KB Output is correct
6 Correct 61 ms 145232 KB Output is correct
7 Correct 60 ms 145272 KB Output is correct
8 Correct 54 ms 145268 KB Output is correct
9 Correct 55 ms 145220 KB Output is correct
10 Correct 55 ms 145172 KB Output is correct
11 Correct 55 ms 145308 KB Output is correct
12 Correct 55 ms 145268 KB Output is correct
13 Correct 59 ms 145220 KB Output is correct
14 Correct 55 ms 145256 KB Output is correct
15 Correct 63 ms 145216 KB Output is correct
16 Correct 60 ms 145200 KB Output is correct
17 Correct 57 ms 145192 KB Output is correct
18 Correct 291 ms 145284 KB Output is correct
19 Correct 123 ms 145292 KB Output is correct
20 Correct 86 ms 145272 KB Output is correct
21 Correct 139 ms 145240 KB Output is correct
22 Correct 163 ms 145284 KB Output is correct
23 Correct 74 ms 145288 KB Output is correct
24 Correct 74 ms 145224 KB Output is correct
25 Correct 76 ms 145220 KB Output is correct
26 Correct 68 ms 145296 KB Output is correct
27 Correct 88 ms 145164 KB Output is correct
28 Correct 72 ms 145184 KB Output is correct
29 Correct 84 ms 145252 KB Output is correct
30 Correct 73 ms 145240 KB Output is correct
31 Correct 74 ms 145232 KB Output is correct
32 Correct 69 ms 145220 KB Output is correct
33 Correct 77 ms 145312 KB Output is correct
34 Correct 61 ms 145268 KB Output is correct
35 Correct 83 ms 145196 KB Output is correct
36 Correct 60 ms 145344 KB Output is correct
37 Correct 71 ms 145248 KB Output is correct
38 Correct 61 ms 145212 KB Output is correct
39 Correct 84 ms 145284 KB Output is correct
40 Correct 68 ms 145244 KB Output is correct
41 Correct 341 ms 145344 KB Output is correct
42 Correct 207 ms 145220 KB Output is correct
43 Correct 366 ms 145284 KB Output is correct
44 Correct 154 ms 145220 KB Output is correct
45 Correct 404 ms 145284 KB Output is correct
46 Correct 222 ms 145396 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 145216 KB Output is correct
2 Correct 55 ms 145188 KB Output is correct
3 Correct 59 ms 145200 KB Output is correct
4 Correct 58 ms 145268 KB Output is correct
5 Correct 54 ms 145172 KB Output is correct
6 Correct 61 ms 145232 KB Output is correct
7 Correct 60 ms 145272 KB Output is correct
8 Correct 54 ms 145268 KB Output is correct
9 Correct 55 ms 145220 KB Output is correct
10 Correct 55 ms 145172 KB Output is correct
11 Correct 55 ms 145308 KB Output is correct
12 Correct 55 ms 145268 KB Output is correct
13 Correct 59 ms 145220 KB Output is correct
14 Correct 55 ms 145256 KB Output is correct
15 Correct 63 ms 145216 KB Output is correct
16 Correct 60 ms 145200 KB Output is correct
17 Correct 57 ms 145192 KB Output is correct
18 Correct 58 ms 145264 KB Output is correct
19 Correct 55 ms 145220 KB Output is correct
20 Correct 59 ms 145248 KB Output is correct
21 Correct 55 ms 145256 KB Output is correct
22 Correct 58 ms 145220 KB Output is correct
23 Correct 66 ms 145256 KB Output is correct
24 Correct 54 ms 145220 KB Output is correct
25 Correct 55 ms 145220 KB Output is correct
26 Correct 63 ms 145232 KB Output is correct
27 Correct 59 ms 145280 KB Output is correct
28 Correct 60 ms 145168 KB Output is correct
29 Correct 60 ms 145272 KB Output is correct
30 Correct 58 ms 145168 KB Output is correct
31 Correct 60 ms 145168 KB Output is correct
32 Correct 55 ms 145280 KB Output is correct
33 Correct 55 ms 145216 KB Output is correct
34 Correct 63 ms 145176 KB Output is correct
35 Correct 61 ms 145196 KB Output is correct
36 Correct 291 ms 145284 KB Output is correct
37 Correct 123 ms 145292 KB Output is correct
38 Correct 86 ms 145272 KB Output is correct
39 Correct 139 ms 145240 KB Output is correct
40 Correct 163 ms 145284 KB Output is correct
41 Correct 74 ms 145288 KB Output is correct
42 Correct 74 ms 145224 KB Output is correct
43 Correct 76 ms 145220 KB Output is correct
44 Correct 68 ms 145296 KB Output is correct
45 Correct 88 ms 145164 KB Output is correct
46 Correct 72 ms 145184 KB Output is correct
47 Correct 84 ms 145252 KB Output is correct
48 Correct 73 ms 145240 KB Output is correct
49 Correct 74 ms 145232 KB Output is correct
50 Correct 69 ms 145220 KB Output is correct
51 Correct 77 ms 145312 KB Output is correct
52 Correct 61 ms 145268 KB Output is correct
53 Correct 83 ms 145196 KB Output is correct
54 Correct 60 ms 145344 KB Output is correct
55 Correct 71 ms 145248 KB Output is correct
56 Correct 61 ms 145212 KB Output is correct
57 Correct 84 ms 145284 KB Output is correct
58 Correct 68 ms 145244 KB Output is correct
59 Correct 341 ms 145344 KB Output is correct
60 Correct 207 ms 145220 KB Output is correct
61 Correct 366 ms 145284 KB Output is correct
62 Correct 154 ms 145220 KB Output is correct
63 Correct 404 ms 145284 KB Output is correct
64 Correct 222 ms 145396 KB Output is correct
65 Correct 298 ms 145208 KB Output is correct
66 Correct 284 ms 145220 KB Output is correct
67 Correct 215 ms 145232 KB Output is correct
68 Correct 202 ms 145180 KB Output is correct
69 Correct 291 ms 145340 KB Output is correct
70 Correct 335 ms 145284 KB Output is correct
71 Correct 260 ms 145224 KB Output is correct
72 Correct 309 ms 145408 KB Output is correct
73 Correct 242 ms 145292 KB Output is correct
74 Correct 244 ms 145228 KB Output is correct
75 Correct 233 ms 145228 KB Output is correct
76 Correct 343 ms 145288 KB Output is correct
77 Correct 305 ms 145212 KB Output is correct
78 Correct 240 ms 145292 KB Output is correct
79 Correct 246 ms 145220 KB Output is correct
80 Correct 291 ms 145188 KB Output is correct
81 Correct 222 ms 145216 KB Output is correct
82 Correct 216 ms 145288 KB Output is correct
83 Correct 357 ms 145348 KB Output is correct
84 Correct 254 ms 145292 KB Output is correct
85 Correct 339 ms 145288 KB Output is correct
86 Correct 312 ms 145388 KB Output is correct
87 Correct 245 ms 145284 KB Output is correct
88 Correct 395 ms 145288 KB Output is correct
89 Correct 407 ms 145352 KB Output is correct
90 Correct 225 ms 145288 KB Output is correct
91 Correct 368 ms 145288 KB Output is correct
92 Correct 390 ms 145220 KB Output is correct
93 Correct 331 ms 145308 KB Output is correct