oj.uz

Submission #680901

# Submission time Handle Problem Language Result Execution time Memory
680901 2023-01-12T02:08:54 Z DennisTran Visiting Singapore (NOI20_visitingsingapore) C++17
10 / 100
 238 ms 196624 KB 
#pragma GCC optimize("O2")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FOD(i, a, b) for (int i = (a); i >= (b); i--)
#define REP(i, n) for (int i = 0; i < (n); i++)
#define ALL(x) (x).begin(), (x).end()
#define TIME  (1.0 * clock() / CLOCKS_PER_SEC)
#define file(name)  if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }

using namespace std;

const int MAXN = 5005;
const long long INF = 0x3f3f3f3f3f3f3f3f;

int K, N, M, v[MAXN], s[MAXN], t[MAXN];
long long dp[MAXN], Max[MAXN][MAXN], Ord[MAXN], prv[MAXN];
long long A, B;

signed main(void) {
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    //file("TASK");
    cin >> K >> N >> M >> A >> B;
    FOR(i, 1, K) cin >> v[i];
    FOR(i, 1, N) cin >> s[i];
    FOR(i, 1, M) cin >> t[i];

    memset(dp, -INF, sizeof dp);
    memset(Max, -INF, sizeof Max);
    memset(Ord, -INF, sizeof Ord);
    dp[0] = 0;
    long long ans = -INF;
    FOR(i, 1, N) {
        FOR(j, 0, M) prv[j] = dp[j];
        FOR(j, 0, M) dp[j] = -INF;
        long long cur = -INF;
        FOR(j, 1, M) {
            if (s[i] == t[j]) {
                dp[j] = prv[j - 1] + v[t[j]];
                if (i >= 2 && j >= 2)
                    dp[j] = max(dp[j], Max[i - 2][j - 2] + v[t[j]] + B * (i + j) + 2 * (A - B));
                if (j >= 2)
                    dp[j] = max(dp[j], cur + v[t[j]] + B * j + A - B);
                if (i >= 2)
                    dp[j] = max(dp[j], Ord[j - 1] + v[t[j]] + B * i + A - B);
                 dp[j] = max(dp[j], v[t[j]] + (j > 1) * A + (j - 1) * B);
            }

            Max[i][j] = dp[j] - B *(i + j);
            Max[i][j] = max(Max[i][j], Max[i - 1][j]);
            Max[i][j] = max(Max[i][j], Max[i][j - 1]);
            if (j >= 1) cur = max(cur, prv[j - 1] - (j - 1) * B);
            //Ord[i][j] = dp[i][j] - i * B;
            //Ord[i][j] = max(Ord[i][j], Ord[i - 1][j]);
            if (dp[j] != -INF)
                ans = max(ans, dp[j] + (M > j) * A + (M - j) * B);
        }
        if (i >= 1) {
            FOR(j, 1, M) {
                Ord[j] = max(Ord[j], prv[j] - (i - 1) * B);
            }
        }

    }
    //FOR(i, 1, N) FOR(j, 1, M) cout << dp[i][j] << " \n" [j == M];
    cout << ans;
    cerr << "Time elapsed: " << TIME << " s.\n";
    return (0 ^ 0);
}

Compilation message

VisitingSingapore.cpp: In function 'int main()':
VisitingSingapore.cpp:28:16: warning: overflow in conversion from 'long long int' to 'int' changes value from '-4557430888798830399' to '-1061109567' [-Woverflow]
   28 |     memset(dp, -INF, sizeof dp);
      |                ^~~~
VisitingSingapore.cpp:29:17: warning: overflow in conversion from 'long long int' to 'int' changes value from '-4557430888798830399' to '-1061109567' [-Woverflow]
   29 |     memset(Max, -INF, sizeof Max);
      |                 ^~~~
VisitingSingapore.cpp:30:17: warning: overflow in conversion from 'long long int' to 'int' changes value from '-4557430888798830399' to '-1061109567' [-Woverflow]
   30 |     memset(Ord, -INF, sizeof Ord);
      |                 ^~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 196428 KB Output is correct
2 Correct 97 ms 196376 KB Output is correct
3 Correct 76 ms 196460 KB Output is correct
4 Correct 74 ms 196464 KB Output is correct
5 Correct 76 ms 196384 KB Output is correct
6 Correct 73 ms 196380 KB Output is correct
7 Correct 82 ms 196440 KB Output is correct
8 Correct 70 ms 196428 KB Output is correct
9 Correct 76 ms 196408 KB Output is correct
10 Correct 85 ms 196464 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 196428 KB Output is correct
2 Correct 72 ms 196528 KB Output is correct
3 Correct 74 ms 196436 KB Output is correct
4 Correct 72 ms 196456 KB Output is correct
5 Correct 75 ms 196472 KB Output is correct
6 Correct 87 ms 196496 KB Output is correct
7 Correct 78 ms 196388 KB Output is correct
8 Correct 87 ms 196448 KB Output is correct
9 Correct 79 ms 196412 KB Output is correct
10 Correct 86 ms 196384 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 196532 KB Output is correct
2 Correct 78 ms 196388 KB Output is correct
3 Correct 113 ms 196520 KB Output is correct
4 Correct 174 ms 196568 KB Output is correct
5 Correct 127 ms 196436 KB Output is correct
6 Correct 113 ms 196556 KB Output is correct
7 Correct 147 ms 196536 KB Output is correct
8 Correct 96 ms 196404 KB Output is correct
9 Correct 120 ms 196428 KB Output is correct
10 Correct 191 ms 196624 KB Output is correct
11 Correct 238 ms 196460 KB Output is correct
12 Correct 192 ms 196568 KB Output is correct
13 Incorrect 222 ms 196432 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 196532 KB Output is correct
2 Correct 78 ms 196388 KB Output is correct
3 Correct 113 ms 196520 KB Output is correct
4 Correct 174 ms 196568 KB Output is correct
5 Correct 127 ms 196436 KB Output is correct
6 Correct 113 ms 196556 KB Output is correct
7 Correct 147 ms 196536 KB Output is correct
8 Correct 96 ms 196404 KB Output is correct
9 Correct 120 ms 196428 KB Output is correct
10 Correct 191 ms 196624 KB Output is correct
11 Correct 238 ms 196460 KB Output is correct
12 Correct 192 ms 196568 KB Output is correct
13 Incorrect 222 ms 196432 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 196532 KB Output is correct
2 Correct 78 ms 196388 KB Output is correct
3 Correct 113 ms 196520 KB Output is correct
4 Correct 174 ms 196568 KB Output is correct
5 Correct 127 ms 196436 KB Output is correct
6 Correct 113 ms 196556 KB Output is correct
7 Correct 147 ms 196536 KB Output is correct
8 Correct 96 ms 196404 KB Output is correct
9 Correct 120 ms 196428 KB Output is correct
10 Correct 191 ms 196624 KB Output is correct
11 Correct 238 ms 196460 KB Output is correct
12 Correct 192 ms 196568 KB Output is correct
13 Incorrect 222 ms 196432 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 196376 KB Output is correct
2 Correct 88 ms 196468 KB Output is correct
3 Correct 82 ms 196384 KB Output is correct
4 Correct 74 ms 196476 KB Output is correct
5 Correct 74 ms 196372 KB Output is correct
6 Correct 72 ms 196384 KB Output is correct
7 Correct 73 ms 196476 KB Output is correct
8 Correct 76 ms 196428 KB Output is correct
9 Correct 83 ms 196412 KB Output is correct
10 Correct 73 ms 196428 KB Output is correct
11 Correct 72 ms 196412 KB Output is correct
12 Correct 74 ms 196424 KB Output is correct
13 Incorrect 72 ms 196428 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #7
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 196428 KB Output is correct
2 Correct 97 ms 196376 KB Output is correct
3 Correct 76 ms 196460 KB Output is correct
4 Correct 74 ms 196464 KB Output is correct
5 Correct 76 ms 196384 KB Output is correct
6 Correct 73 ms 196380 KB Output is correct
7 Correct 82 ms 196440 KB Output is correct
8 Correct 70 ms 196428 KB Output is correct
9 Correct 76 ms 196408 KB Output is correct
10 Correct 85 ms 196464 KB Output is correct
11 Correct 71 ms 196428 KB Output is correct
12 Correct 72 ms 196528 KB Output is correct
13 Correct 74 ms 196436 KB Output is correct
14 Correct 72 ms 196456 KB Output is correct
15 Correct 75 ms 196472 KB Output is correct
16 Correct 87 ms 196496 KB Output is correct
17 Correct 78 ms 196388 KB Output is correct
18 Correct 87 ms 196448 KB Output is correct
19 Correct 79 ms 196412 KB Output is correct
20 Correct 86 ms 196384 KB Output is correct
21 Correct 85 ms 196532 KB Output is correct
22 Correct 78 ms 196388 KB Output is correct
23 Correct 113 ms 196520 KB Output is correct
24 Correct 174 ms 196568 KB Output is correct
25 Correct 127 ms 196436 KB Output is correct
26 Correct 113 ms 196556 KB Output is correct
27 Correct 147 ms 196536 KB Output is correct
28 Correct 96 ms 196404 KB Output is correct
29 Correct 120 ms 196428 KB Output is correct
30 Correct 191 ms 196624 KB Output is correct
31 Correct 238 ms 196460 KB Output is correct
32 Correct 192 ms 196568 KB Output is correct
33 Incorrect 222 ms 196432 KB Output isn't correct
34 Halted 0 ms 0 KB -