oj.uz

Submission #855949

# Submission time Handle Problem Language Result Execution time Memory
855949 2023-10-02T11:31:57 Z hariaakas646 Collecting Stamps 3 (JOI20_ho_t3) C++17
25 / 100
 508 ms 129364 KB 
#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;


void usaco()
{
    freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
//    freopen("problem.out", "w", stdout);
}

int main() {
    // usaco();
    int n;
    lli l;
    scd(n);
    sclld(l);
    vector<lli> vec(n+1), tim(n+1);
    frange(i, n) {
        sclld(vec[i+1]);
    }
    frange(i, n) {
        sclld(tim[i+1]);
    }

    vector<vector<vll>> dp1(n+1, vector<vll>(n+1, vll(n+1, 2e18+5))), dp2(n+1, vector<vll>(n+1, vll(n+1, 2e18+5)));
    dp1[0][0][0] = dp2[0][0][0] = 0;
    forr(le, 1, n+1) {
        forr(j, 0, n+1) {
            int k = (j + le) % (n+1);
            int i = 0;
            dp1[j][k][i] = min(dp1[(j+1)%(n+1)][k][i] + (vec[(j+1) % (n+1)] - vec[j] + l) % l, dp2[(j+1) % (n+1)][k][i] + (vec[k] + l - vec[j]) % l);
            dp2[j][k][i] = min(dp1[j][(k-1+n+1)%(n+1)][i] + (l - vec[j] + vec[k]) % l, dp2[j][(k-1+n+1)%(n+1)][i] + (vec[k] + l - vec[(k-1+n+1)%(n+1)]));

        }
    }

    forr(i, 1, n+1) {
        forr(le, 1, n+1) {
            forr(j, 0, n+1) {
                int k = (j + le) % (n+1);
                
                dp1[j][k][i] = min(dp1[(j+1)%(n+1)][k][i] + (vec[(j+1) % (n+1)] - vec[j] + l) % l, dp2[(j+1) % (n+1)][k][i] + (vec[k] + l - vec[j]) % l);
                if(dp1[(j+1)%(n+1)][k][i-1] + (vec[(j+1) % (n+1)] - vec[j] + l) % l <= tim[j]) {
                    dp1[j][k][i] = min(dp1[j][k][i], dp1[(j+1)%(n+1)][k][i-1] + (vec[(j+1) % (n+1)] - vec[j] + l) % l);
                }
                if(dp2[(j+1) % (n+1)][k][i-1] + (vec[k] + l - vec[j]) % l <= tim[j]) {
                    dp1[j][k][i] = min(dp1[j][k][i], dp2[(j+1) % (n+1)][k][i-1] + (vec[k] + l - vec[j]) % l);
                }

                dp2[j][k][i] = min(dp1[j][(k-1+n+1)%(n+1)][i] + (l - vec[j] + vec[k]) % l, dp2[j][(k-1+n+1)%(n+1)][i] + (vec[k] + l - vec[(k-1+n+1)%(n+1)]) % l);

                if(dp1[j][(k-1+n+1)%(n+1)][i-1] + (l - vec[j] + vec[k]) % l <= tim[k]) {
                    dp2[j][k][i] = min(dp2[j][k][i], dp1[j][(k-1+n+1)%(n+1)][i-1] + (l - vec[j] + vec[k]) % l);
                }
                if(dp2[j][(k-1+n+1)%(n+1)][i-1] + (vec[k] + l - vec[(k-1+n+1)%(n+1)]) % l <= tim[k]) {
                    dp2[j][k][i] = min(dp2[j][k][i], dp2[j][(k-1+n+1)%(n+1)][i-1] + (vec[k] + l - vec[(k-1+n+1)%(n+1)]) % l);
                }
            }
        }
    }
    for(int v=n; v>= 0; v--) {
        frange(i, n+1) {
            frange(j, n+1) {
                if(dp1[i][j][v] < 2e18+5 || dp2[i][j][v] < 2e18+5) {
                    printf("%d\n", v);
                    return 0;
                }
            }
        }
    }
}

Compilation message

ho_t3.cpp: In function 'void usaco()':
ho_t3.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t3.cpp: In function 'int main()':
ho_t3.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
ho_t3.cpp:38:5: note: in expansion of macro 'scd'
   38 |     scd(n);
      |     ^~~
ho_t3.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
ho_t3.cpp:39:5: note: in expansion of macro 'sclld'
   39 |     sclld(l);
      |     ^~~~~
ho_t3.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
ho_t3.cpp:42:9: note: in expansion of macro 'sclld'
   42 |         sclld(vec[i+1]);
      |         ^~~~~
ho_t3.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
ho_t3.cpp:45:9: note: in expansion of macro 'sclld'
   45 |         sclld(tim[i+1]);
      |         ^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 600 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

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 600 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 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 600 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 376 ms 94528 KB Output is correct
19 Correct 156 ms 45076 KB Output is correct
20 Correct 63 ms 17936 KB Output is correct
21 Correct 148 ms 41556 KB Output is correct
22 Correct 210 ms 60268 KB Output is correct
23 Correct 46 ms 14184 KB Output is correct
24 Correct 33 ms 9820 KB Output is correct
25 Correct 46 ms 13652 KB Output is correct
26 Correct 11 ms 3560 KB Output is correct
27 Correct 47 ms 14424 KB Output is correct
28 Correct 28 ms 8792 KB Output is correct
29 Correct 50 ms 14940 KB Output is correct
30 Correct 35 ms 10548 KB Output is correct
31 Correct 45 ms 13404 KB Output is correct
32 Correct 18 ms 5720 KB Output is correct
33 Correct 45 ms 13404 KB Output is correct
34 Correct 9 ms 3160 KB Output is correct
35 Correct 44 ms 13148 KB Output is correct
36 Correct 15 ms 4692 KB Output is correct
37 Correct 51 ms 14428 KB Output is correct
38 Correct 21 ms 5976 KB Output is correct
39 Correct 53 ms 15192 KB Output is correct
40 Correct 24 ms 7004 KB Output is correct
41 Correct 503 ms 129120 KB Output is correct
42 Correct 276 ms 71760 KB Output is correct
43 Correct 508 ms 129120 KB Output is correct
44 Correct 259 ms 69976 KB Output is correct
45 Correct 491 ms 129104 KB Output is correct
46 Correct 272 ms 71760 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 600 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 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 376 ms 94528 KB Output is correct
37 Correct 156 ms 45076 KB Output is correct
38 Correct 63 ms 17936 KB Output is correct
39 Correct 148 ms 41556 KB Output is correct
40 Correct 210 ms 60268 KB Output is correct
41 Correct 46 ms 14184 KB Output is correct
42 Correct 33 ms 9820 KB Output is correct
43 Correct 46 ms 13652 KB Output is correct
44 Correct 11 ms 3560 KB Output is correct
45 Correct 47 ms 14424 KB Output is correct
46 Correct 28 ms 8792 KB Output is correct
47 Correct 50 ms 14940 KB Output is correct
48 Correct 35 ms 10548 KB Output is correct
49 Correct 45 ms 13404 KB Output is correct
50 Correct 18 ms 5720 KB Output is correct
51 Correct 45 ms 13404 KB Output is correct
52 Correct 9 ms 3160 KB Output is correct
53 Correct 44 ms 13148 KB Output is correct
54 Correct 15 ms 4692 KB Output is correct
55 Correct 51 ms 14428 KB Output is correct
56 Correct 21 ms 5976 KB Output is correct
57 Correct 53 ms 15192 KB Output is correct
58 Correct 24 ms 7004 KB Output is correct
59 Correct 503 ms 129120 KB Output is correct
60 Correct 276 ms 71760 KB Output is correct
61 Correct 508 ms 129120 KB Output is correct
62 Correct 259 ms 69976 KB Output is correct
63 Correct 491 ms 129104 KB Output is correct
64 Correct 272 ms 71760 KB Output is correct
65 Correct 436 ms 110888 KB Output is correct
66 Correct 363 ms 97688 KB Output is correct
67 Correct 382 ms 91452 KB Output is correct
68 Correct 289 ms 80772 KB Output is correct
69 Correct 412 ms 108644 KB Output is correct
70 Correct 362 ms 101920 KB Output is correct
71 Correct 414 ms 104016 KB Output is correct
72 Correct 373 ms 105268 KB Output is correct
73 Correct 355 ms 94292 KB Output is correct
74 Correct 298 ms 85336 KB Output is correct
75 Correct 362 ms 98728 KB Output is correct
76 Correct 467 ms 121424 KB Output is correct
77 Correct 494 ms 121624 KB Output is correct
78 Correct 287 ms 82524 KB Output is correct
79 Correct 321 ms 86608 KB Output is correct
80 Correct 443 ms 117840 KB Output is correct
81 Correct 323 ms 88456 KB Output is correct
82 Correct 352 ms 95568 KB Output is correct
83 Correct 494 ms 129364 KB Output is correct
84 Correct 404 ms 101712 KB Output is correct
85 Incorrect 490 ms 115796 KB Output isn't correct
86 Halted 0 ms 0 KB -