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답안 #1037082

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1037082 2024-07-28T03:24:07 Z RiverFlow Fruits (NOI22_fruits) C++14
35 / 100
 63 ms 33540 KB 
#include <bits/stdc++.h>

#define nl "\n"
#define no "NO"
#define yes "YES"
#define fi first
#define se second
#define vec vector
#define task "main"
#define _mp make_pair
#define ii pair<int, int>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define evoid(val) return void(std::cout << val)
#define FOR(i, a, b) for(int i = (a); i <= (b); ++i)
#define FOD(i, b, a) for(int i = (b); i >= (a); --i)
#define unq(x) sort(all(x)); x.resize(unique(all(x)) - x.begin())

using namespace std;

template<typename U, typename V> bool maxi(U &a, V b) {
    if (a < b or a==-1) { a = b; return 1; } return 0;
}
template<typename U, typename V> bool mini(U &a, V b) {
    if (a > b) { a = b; return 1; } return 0;
}

const int N = (int)4e5 + 9;
const int mod = (int)1e9 + 7;

void prepare(); void main_code();

int main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    if (fopen(task".inp", "r")) {
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    const bool MULTITEST = 0; prepare();
    int num_test = 1; if (MULTITEST) cin >> num_test;
    while (num_test--) { main_code(); }
}

void prepare() {};

int n, m, a[N], c[N];

namespace SUB4 {
    const int N=2007;
    long long dp[N][N];
    void sol(vector<int> val) {
        memset(dp, -1, sizeof dp);
        dp[0][0]=0;
        vector<int> ax(n + 1, 0);
        FOR(i, 1, n) ax[i] = max(ax[i-1], a[i]);

//        FOR(j,1,m) cout << val[j] << ' '; cout << nl;

//        cerr << sz(val) << ' ' << m << nl;

        int cnt=0;
        FOR(i, 0, n - 1) {
            cnt+=(a[i]==-1);
//            cerr << i << nl;
            FOR(j, 0, m) if (dp[i][j] != -1) {
//                cerr << i << ' ' << j << nl;
                maxi(dp[i][j+1], dp[i][j]);
                int CUR_MAX=max(ax[i], val[j]);
                if (a[i+1]==-1){
                    if (j != m)
                        maxi(dp[i+1][j+1], dp[i][j] + (val[j+1]>CUR_MAX)*c[val[j+1]]);
                    if(j>cnt)
                        maxi(dp[i+1][j], dp[i][j]);
                } else {
                    maxi(dp[i+1][j], dp[i][j] + (a[i+1]>CUR_MAX)*c[a[i+1]]);
                }
            }
        }

        // n, m
        FOR(k, 1, n) {
            long long ans=0;
            FOR(j,0,m)
                ans=max(ans,dp[k][j]);
            cout << ans << ' ';
        }
    }
};

void main_code() {
    cin >> n;
    for(int i = 1; i <= n; ++i) cin >> a[i];
    for(int i = 1; i <= n; ++i) cin >> c[i];

    vector<int> val(n + 1, 0);
    vector<bool> ex(n + 1, 0);
    for(int i = 1; i <= n; ++i) if (a[i] != -1) {
        ex[a[i]] = 1;
    }
    FOR(i, 1, n) if (ex[i] == 0) val[++m] = i;

    if (m == 0) {
        // case
        long long sum = 0;
        int mx = 0;
        FOR(i, 1, n) {
            if (a[i]>mx)sum+=c[a[i]];
            mx=max(mx,a[i]);
            cout << sum << ' ';
        }
        return ;
    }
    if (m == n) {
        // case
        vector<long long> pref(n+2,0);
        pref[n]=c[n];
        FOD(i,n-1,1)pref[i]=pref[i+1]+c[i];
        FOR(i, 1, n){
            cout << pref[n-i+1] << ' ';
        }
        return ;
    }
    if (n <= 2000) {
        return SUB4::sol(val), void();
    }
}


/*     Let the river flows naturally     */

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33372 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 33372 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 4 ms 33296 KB Output is correct
7 Correct 4 ms 33372 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 5 ms 33372 KB Output is correct
10 Correct 4 ms 33372 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2528 KB Output is correct
3 Correct 7 ms 3084 KB Output is correct
4 Correct 32 ms 8420 KB Output is correct
5 Correct 63 ms 14232 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33372 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 33372 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 4 ms 33296 KB Output is correct
7 Correct 4 ms 33372 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 5 ms 33372 KB Output is correct
10 Correct 4 ms 33372 KB Output is correct
11 Correct 4 ms 33372 KB Output is correct
12 Correct 4 ms 33372 KB Output is correct
13 Correct 4 ms 33372 KB Output is correct
14 Correct 4 ms 33440 KB Output is correct
15 Correct 5 ms 33372 KB Output is correct
16 Correct 4 ms 33372 KB Output is correct
17 Correct 4 ms 33372 KB Output is correct
18 Correct 4 ms 33372 KB Output is correct
19 Correct 4 ms 33372 KB Output is correct
20 Correct 4 ms 33448 KB Output is correct
21 Correct 4 ms 33372 KB Output is correct
22 Correct 4 ms 33248 KB Output is correct
23 Correct 4 ms 33236 KB Output is correct
24 Correct 4 ms 33444 KB Output is correct
25 Correct 4 ms 33436 KB Output is correct
26 Correct 4 ms 33372 KB Output is correct
27 Correct 4 ms 33372 KB Output is correct

Subtask #4
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33372 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 33372 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 4 ms 33296 KB Output is correct
7 Correct 4 ms 33372 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 5 ms 33372 KB Output is correct
10 Correct 4 ms 33372 KB Output is correct
11 Correct 4 ms 33372 KB Output is correct
12 Correct 4 ms 33372 KB Output is correct
13 Correct 4 ms 33372 KB Output is correct
14 Correct 4 ms 33440 KB Output is correct
15 Correct 5 ms 33372 KB Output is correct
16 Correct 4 ms 33372 KB Output is correct
17 Correct 4 ms 33372 KB Output is correct
18 Correct 4 ms 33372 KB Output is correct
19 Correct 4 ms 33372 KB Output is correct
20 Correct 4 ms 33448 KB Output is correct
21 Correct 4 ms 33372 KB Output is correct
22 Correct 4 ms 33248 KB Output is correct
23 Correct 4 ms 33236 KB Output is correct
24 Correct 4 ms 33444 KB Output is correct
25 Correct 4 ms 33436 KB Output is correct
26 Correct 4 ms 33372 KB Output is correct
27 Correct 4 ms 33372 KB Output is correct
28 Correct 10 ms 33540 KB Output is correct
29 Correct 11 ms 33516 KB Output is correct
30 Correct 13 ms 33532 KB Output is correct
31 Correct 6 ms 33496 KB Output is correct
32 Correct 7 ms 33452 KB Output is correct
33 Correct 4 ms 33524 KB Output is correct
34 Correct 6 ms 33464 KB Output is correct
35 Correct 7 ms 33520 KB Output is correct
36 Correct 4 ms 33372 KB Output is correct
37 Correct 4 ms 33372 KB Output is correct
38 Correct 9 ms 33472 KB Output is correct
39 Correct 6 ms 33372 KB Output is correct
40 Correct 13 ms 33520 KB Output is correct
41 Correct 7 ms 33540 KB Output is correct
42 Correct 6 ms 33372 KB Output is correct
43 Correct 12 ms 33372 KB Output is correct
44 Correct 6 ms 33372 KB Output is correct
45 Correct 10 ms 33372 KB Output is correct
46 Correct 14 ms 33372 KB Output is correct
47 Correct 4 ms 33372 KB Output is correct
48 Correct 4 ms 33372 KB Output is correct

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 34 ms 5700 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 42.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33372 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 33372 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 4 ms 33296 KB Output is correct
7 Correct 4 ms 33372 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 5 ms 33372 KB Output is correct
10 Correct 4 ms 33372 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2528 KB Output is correct
13 Correct 7 ms 3084 KB Output is correct
14 Correct 32 ms 8420 KB Output is correct
15 Correct 63 ms 14232 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 4 ms 33372 KB Output is correct
18 Correct 4 ms 33372 KB Output is correct
19 Correct 4 ms 33372 KB Output is correct
20 Correct 4 ms 33440 KB Output is correct
21 Correct 5 ms 33372 KB Output is correct
22 Correct 4 ms 33372 KB Output is correct
23 Correct 4 ms 33372 KB Output is correct
24 Correct 4 ms 33372 KB Output is correct
25 Correct 4 ms 33372 KB Output is correct
26 Correct 4 ms 33448 KB Output is correct
27 Correct 4 ms 33372 KB Output is correct
28 Correct 4 ms 33248 KB Output is correct
29 Correct 4 ms 33236 KB Output is correct
30 Correct 4 ms 33444 KB Output is correct
31 Correct 4 ms 33436 KB Output is correct
32 Correct 4 ms 33372 KB Output is correct
33 Correct 4 ms 33372 KB Output is correct
34 Correct 10 ms 33540 KB Output is correct
35 Correct 11 ms 33516 KB Output is correct
36 Correct 13 ms 33532 KB Output is correct
37 Correct 6 ms 33496 KB Output is correct
38 Correct 7 ms 33452 KB Output is correct
39 Correct 4 ms 33524 KB Output is correct
40 Correct 6 ms 33464 KB Output is correct
41 Correct 7 ms 33520 KB Output is correct
42 Correct 4 ms 33372 KB Output is correct
43 Correct 4 ms 33372 KB Output is correct
44 Correct 9 ms 33472 KB Output is correct
45 Correct 6 ms 33372 KB Output is correct
46 Correct 13 ms 33520 KB Output is correct
47 Correct 7 ms 33540 KB Output is correct
48 Correct 6 ms 33372 KB Output is correct
49 Correct 12 ms 33372 KB Output is correct
50 Correct 6 ms 33372 KB Output is correct
51 Correct 10 ms 33372 KB Output is correct
52 Correct 14 ms 33372 KB Output is correct
53 Correct 4 ms 33372 KB Output is correct
54 Correct 4 ms 33372 KB Output is correct
55 Incorrect 34 ms 5700 KB Output isn't correct
56 Halted 0 ms 0 KB -