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Submission #1023893

# Submission time Handle Problem Language Result Execution time Memory
1023893 2024-07-15T08:59:20 Z vjudge1 Catfish Farm (IOI22_fish) C++17
70 / 100
 252 ms 298580 KB 
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second

const int MAXN = 300100;
int n, w[MAXN], m;
pii a[MAXN];

namespace A{
    ll solve(){
        ll ans = 0;
        for(int i=1; i<=m; i++){
            ans += w[i];
        }
        return ans;
    }
}

namespace B{
    ll d[3001][3001];
    ll dp[3001][3001];
    ll pref[3001][3001];
    ll ddp[3001][3001];
    ll suf[3001];
    ll solve(){
        for(int i=1; i<=m; i++){
            d[a[i].ff][a[i].ss] += w[i];
        }
        for(int i=1; i<=n; i++){
            dp[0][i] = -1e18;
            ddp[0][i] = -1e18;
        }
        dp[0][0] = 0;
        ddp[0][0] = 0;
        for(int i=1; i<=n; i++){
            for(int j=1; j<=n; j++){
                pref[i][j] = pref[i][j - 1] + d[i][j];
            }
            ll mx = -1e18;
            for(int j=n; j>=0; j--){
                mx = max(mx, dp[i-1][j] + pref[i][j]);
                suf[j] = mx;
            }
            ll pddp = -1e18, pdp = -1e18;
            mx = -1e18;
            for(int j=0; j<=n; j++) mx = max(mx, dp[i-1][j]);
            for(int j=0; j<=n; j++){
                ddp[i][j] = mx;
                dp[i][j] = 0;
                pddp = max(pddp, ddp[i-1][j]-pref[i-1][j]);
                ddp[i][j] = max(ddp[i][j], pddp + pref[i-1][j]);
                dp[i][j] = ddp[i][j];
                dp[i][j] = max(dp[i][j], suf[j]-pref[i][j]);
                pdp = max(pdp, ddp[i-1][j]-pref[i-1][j]);
                dp[i][j] = max(dp[i][j], pdp+pref[i-1][j]);
            }
        }
        //for(int i=1; i<=n; i++){
        //    for(int j=0; j<=n; j++){
        //        cout<<dp[i][j]<<' ';
        //    }
        //    cout<<'\n';
        //}
        ll ans = 0;
        for(int i=0; i<=n; i++) ans = max(ans, dp[n][i]);
        return ans;
    }
}

namespace C{
    ll d[5][100100];
    ll dp[5][100100];
    ll pref[5][100100];
    ll ddp[5][100100];
    ll suf[100100];
    ll solve(){
        for(int i=1; i<=m; i++){
            d[a[i].ff][a[i].ss] += w[i];
        }
        for(int i=1; i<=n; i++){
            dp[0][i] = -1e18;
            ddp[0][i] = -1e18;
        }
        dp[0][0] = 0;
        ddp[0][0] = 0;
        for(int i=1; i<=3; i++){
            for(int j=1; j<=n; j++){
                pref[i][j] = pref[i][j - 1] + d[i][j];
            }
            ll mx = -1e18;
            for(int j=n; j>=0; j--){
                mx = max(mx, dp[i-1][j] + pref[i][j]);
                suf[j] = mx;
            }
            ll pddp = -1e18, pdp = -1e18;
            mx = -1e18;
            for(int j=0; j<=n; j++) mx = max(mx, dp[i-1][j]);
            for(int j=0; j<=n; j++){
                ddp[i][j] = mx;
                dp[i][j] = 0;
                pddp = max(pddp, ddp[i-1][j]-pref[i-1][j]);
                ddp[i][j] = max(ddp[i][j], pddp + pref[i-1][j]);
                dp[i][j] = ddp[i][j];
                dp[i][j] = max(dp[i][j], suf[j]-pref[i][j]);
                pdp = max(pdp, ddp[i-1][j]-pref[i-1][j]);
                dp[i][j] = max(dp[i][j], pdp+pref[i-1][j]);
            }
        }
        //for(int i=1; i<=n; i++){
        //    for(int j=0; j<=n; j++){
        //        cout<<dp[i][j]<<' ';
        //    }
        //    cout<<'\n';
        //}
        ll ans = 0;
        for(int i=0; i<=n; i++) ans = max(ans, dp[3][i]);
        return ans;
    }
}


namespace D{
    ll d[100100][10];
    ll dp[100100][10];
    ll pref[100100][10];
    ll ddp[100100][10];
    ll suf[10];
    ll solve(){
        for(int i=1; i<=m; i++){
            d[a[i].ff][a[i].ss] += w[i];
        }
        for(int i=1; i<=5; i++){
            dp[0][i] = -1e18;
            ddp[0][i] = -1e18;
        }
        dp[0][0] = 0;
        ddp[0][0] = 0;
        for(int i=1; i<=n; i++){
            for(int j=1; j<=5; j++){
                pref[i][j] = pref[i][j - 1] + d[i][j];
            }
            ll mx = -1e18;
            for(int j=5; j>=0; j--){
                mx = max(mx, dp[i-1][j] + pref[i][j]);
                suf[j] = mx;
            }
            ll pdp = -1e18;
            mx = -1e18;
            for(int j=0; j<=5; j++) mx = max(mx, dp[i-1][j]);
            for(int j=0; j<=5; j++){
                ddp[i][j] = mx;
                dp[i][j] = 0;
                pdp = max(pdp, ddp[i-1][j]-pref[i-1][j]);
                ddp[i][j] = max(ddp[i][j], pdp + pref[i-1][j]);
                dp[i][j] = ddp[i][j];
                dp[i][j] = max(dp[i][j], suf[j]-pref[i][j]);
                dp[i][j] = max(dp[i][j], pdp+pref[i-1][j]);
            }
        }
        //for(int i=1; i<=n; i++){
        //    for(int j=0; j<=n; j++){
        //        cout<<dp[i][j]<<' ';
        //    }
        //    cout<<'\n';
        //}
        ll ans = 0;
        for(int i=0; i<=5; i++) ans = max(ans, dp[n][i]);
        return ans;
    }
}



long long max_weights(int N, int M, vector<int> X, vector<int> Y,
                      vector<int> W) {
    n = N;
    m = M;
    for(int i=1; i<=m; i++){
        a[i] = {X[i-1]+1, Y[i-1]+1};
    }
    for(int i=1; i<=m; i++){
        w[i] = W[i-1];
    }
    int ok1 = 1;
    int ok2 = 1, ok3 = 1;
    for(int i=1; i<=m; i++){
        ok1 &= (a[i].ff % 2 == 1);
        ok2 &= (a[i].ff <= 2);
        ok3 &= (a[i].ss == 1);
    }
    if(ok1) return A::solve();
    if(n <= 3000) return B::solve();
    if(ok2) return C::solve();
    if(ok3) return D::solve();
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 4700 KB Output is correct
2 Correct 18 ms 5724 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 59 ms 17140 KB Output is correct
6 Correct 65 ms 17492 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 37 ms 18840 KB Output is correct
3 Correct 45 ms 21840 KB Output is correct
4 Correct 16 ms 4692 KB Output is correct
5 Correct 19 ms 5460 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 23 ms 13816 KB Output is correct
13 Correct 24 ms 15708 KB Output is correct
14 Correct 20 ms 13916 KB Output is correct
15 Correct 22 ms 15460 KB Output is correct
16 Correct 20 ms 13904 KB Output is correct
17 Correct 25 ms 15196 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 13 ms 23900 KB Output is correct
3 Correct 25 ms 29100 KB Output is correct
4 Correct 23 ms 30556 KB Output is correct
5 Correct 38 ms 36796 KB Output is correct
6 Correct 33 ms 36172 KB Output is correct
7 Correct 36 ms 36708 KB Output is correct
8 Correct 40 ms 36652 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 528 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 3272 KB Output is correct
10 Correct 4 ms 7516 KB Output is correct
11 Correct 2 ms 3420 KB Output is correct
12 Correct 4 ms 7392 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 4 ms 7352 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 528 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 3272 KB Output is correct
10 Correct 4 ms 7516 KB Output is correct
11 Correct 2 ms 3420 KB Output is correct
12 Correct 4 ms 7392 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 4 ms 7352 KB Output is correct
15 Correct 3 ms 7256 KB Output is correct
16 Correct 1 ms 1624 KB Output is correct
17 Correct 13 ms 9820 KB Output is correct
18 Correct 12 ms 9560 KB Output is correct
19 Correct 15 ms 10076 KB Output is correct
20 Correct 12 ms 10072 KB Output is correct
21 Correct 11 ms 10076 KB Output is correct
22 Correct 20 ms 12812 KB Output is correct
23 Correct 6 ms 8540 KB Output is correct
24 Correct 10 ms 9480 KB Output is correct
25 Correct 4 ms 7516 KB Output is correct
26 Correct 6 ms 8028 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 528 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 3272 KB Output is correct
10 Correct 4 ms 7516 KB Output is correct
11 Correct 2 ms 3420 KB Output is correct
12 Correct 4 ms 7392 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 4 ms 7352 KB Output is correct
15 Correct 3 ms 7256 KB Output is correct
16 Correct 1 ms 1624 KB Output is correct
17 Correct 13 ms 9820 KB Output is correct
18 Correct 12 ms 9560 KB Output is correct
19 Correct 15 ms 10076 KB Output is correct
20 Correct 12 ms 10072 KB Output is correct
21 Correct 11 ms 10076 KB Output is correct
22 Correct 20 ms 12812 KB Output is correct
23 Correct 6 ms 8540 KB Output is correct
24 Correct 10 ms 9480 KB Output is correct
25 Correct 4 ms 7516 KB Output is correct
26 Correct 6 ms 8028 KB Output is correct
27 Correct 132 ms 224032 KB Output is correct
28 Correct 55 ms 37504 KB Output is correct
29 Correct 199 ms 231012 KB Output is correct
30 Correct 252 ms 274020 KB Output is correct
31 Correct 206 ms 274516 KB Output is correct
32 Correct 60 ms 34132 KB Output is correct
33 Correct 206 ms 298580 KB Output is correct
34 Correct 206 ms 298480 KB Output is correct
35 Correct 156 ms 232840 KB Output is correct
36 Correct 187 ms 244304 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 13 ms 23900 KB Output is correct
3 Correct 25 ms 29100 KB Output is correct
4 Correct 23 ms 30556 KB Output is correct
5 Correct 38 ms 36796 KB Output is correct
6 Correct 33 ms 36172 KB Output is correct
7 Correct 36 ms 36708 KB Output is correct
8 Correct 40 ms 36652 KB Output is correct
9 Incorrect 17 ms 5200 KB 1st lines differ - on the 1st token, expected: '99999', found: '0'
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 4700 KB Output is correct
2 Correct 18 ms 5724 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 59 ms 17140 KB Output is correct
6 Correct 65 ms 17492 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 37 ms 18840 KB Output is correct
9 Correct 45 ms 21840 KB Output is correct
10 Correct 16 ms 4692 KB Output is correct
11 Correct 19 ms 5460 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 23 ms 13816 KB Output is correct
19 Correct 24 ms 15708 KB Output is correct
20 Correct 20 ms 13916 KB Output is correct
21 Correct 22 ms 15460 KB Output is correct
22 Correct 20 ms 13904 KB Output is correct
23 Correct 25 ms 15196 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 13 ms 23900 KB Output is correct
26 Correct 25 ms 29100 KB Output is correct
27 Correct 23 ms 30556 KB Output is correct
28 Correct 38 ms 36796 KB Output is correct
29 Correct 33 ms 36172 KB Output is correct
30 Correct 36 ms 36708 KB Output is correct
31 Correct 40 ms 36652 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 528 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 3272 KB Output is correct
41 Correct 4 ms 7516 KB Output is correct
42 Correct 2 ms 3420 KB Output is correct
43 Correct 4 ms 7392 KB Output is correct
44 Correct 1 ms 1624 KB Output is correct
45 Correct 4 ms 7352 KB Output is correct
46 Correct 3 ms 7256 KB Output is correct
47 Correct 1 ms 1624 KB Output is correct
48 Correct 13 ms 9820 KB Output is correct
49 Correct 12 ms 9560 KB Output is correct
50 Correct 15 ms 10076 KB Output is correct
51 Correct 12 ms 10072 KB Output is correct
52 Correct 11 ms 10076 KB Output is correct
53 Correct 20 ms 12812 KB Output is correct
54 Correct 6 ms 8540 KB Output is correct
55 Correct 10 ms 9480 KB Output is correct
56 Correct 4 ms 7516 KB Output is correct
57 Correct 6 ms 8028 KB Output is correct
58 Correct 132 ms 224032 KB Output is correct
59 Correct 55 ms 37504 KB Output is correct
60 Correct 199 ms 231012 KB Output is correct
61 Correct 252 ms 274020 KB Output is correct
62 Correct 206 ms 274516 KB Output is correct
63 Correct 60 ms 34132 KB Output is correct
64 Correct 206 ms 298580 KB Output is correct
65 Correct 206 ms 298480 KB Output is correct
66 Correct 156 ms 232840 KB Output is correct
67 Correct 187 ms 244304 KB Output is correct
68 Incorrect 17 ms 5200 KB 1st lines differ - on the 1st token, expected: '99999', found: '0'
69 Halted 0 ms 0 KB -