oj.uz

Submission #979978

# Submission time Handle Problem Language Result Execution time Memory
979978 2024-05-11T18:27:21 Z vjudge1 Soccer Stadium (IOI23_soccer) C++17
100 / 100
 895 ms 87280 KB 
// hola soy Dember :D
// 31/03/2024

#include <bits/stdc++.h>

#define ll int 
#define pll pair<ll,ll>
#define F first
#define S second 
#define Z size()
#define pb push_back
#define bp pop_back
#define fo(x,y,z) for(ll x=y; x<=z; x++)
#define of(x,y,z) for(ll x=y; x>=z; x--)
#define all(n) n.begin(), n.end()
#define arr(x,y,z) x+y, x+y+z

using namespace std;

ll n;
ll ans=0;
vector<vector<ll>> iz, A, res;
vector<ll> dp, tt, xd, zd;
vector<pll> r;

vector<ll> cl(ll p){
    vector<ll> st, v(n+1);
    ll x;
    fo(i,0,n)v[i]=i;
    
    fo(i,0,n-1){
        x=i;
        
        while(!st.empty() && iz[st.back()][p]<=iz[i][p]){x=st.back();st.pop_back();}
        
        st.push_back(i);
        v[i]=v[x];
    }
    return v;
}

vector<ll> cr(ll p){
    vector<ll> st, v(n+1);
    ll x;
    fo(i,0,n)v[i]=i;
    
    of(i,n-1,0){
        x=i;
        
        while(!st.empty() && iz[st.back()][p]<=iz[i][p]){x=st.back();st.pop_back();}
        
        st.push_back(i);
        v[i]=v[x];
    }
    return v;
}

void CD(ll p){
    vector<ll> a, b, c(n+1), d;r.clear();
    
    a=cl(p);
    b=cr(p);
    
    fo(i,0,n-1)c[i]=b[i]-a[i]+1;
    
    xd.resize(n+1,-1);
    zd.resize(n+1,-1);
    
    fo(i,0,n-1){
        if(!A[i][p])r.pb({iz[i][p], i});
        xd[i]=i-1;zd[i]=i+1;
    }zd[n-1]=-1;
    
    sort(all(r));
    
    for(auto u:r)dp[u.S]+=(c[u.S]-tt[u.S])*(p-iz[u.S][p]);
    
    for(auto u:r){
        if(zd[u.S]>=0)dp[zd[u.S]]=max(dp[zd[u.S]],(c[zd[u.S]]-c[u.S])*(p-iz[zd[u.S]][p])+dp[u.S]);
        if(xd[u.S]>=0)dp[xd[u.S]]=max(dp[xd[u.S]],(c[xd[u.S]]-c[u.S])*(p-iz[xd[u.S]][p])+dp[u.S]);
        if(zd[u.S]!=-1)xd[zd[u.S]]=xd[u.S];
        if(xd[u.S]!=-1)zd[xd[u.S]]=zd[u.S];
        
        tt[u.S]=c[u.S];
    }
    //for(auto u:c)cout<<u<<' ';cout<<"\n";
    
    res.pb(dp);
    fo(i,0,n-1) if(A[i][p])dp[i]=tt[i]=0;
    
    //fo(i,0,n)cout<<tt[i]<<' ';cout<<"\n";
    
    return;
}

int biggest_stadium(int N, vector<vector<int>> ola){
    n=N;iz.resize(n+1,vector<ll>(n+1,-1));A=ola;dp.resize(n+1,0);tt.resize(n+1,0);
    
    fo(i,0,n-1){
        fo(j,0,n-1){
            if(A[i][j])iz[i][j]=j;
            else if(j>0)iz[i][j]=iz[i][j-1];
        }
    }
    
    of(h,n-1,0)CD(h);
    
    for(auto u:res)
        for(auto w:u)ans=max(w,ans);
    
    return ans;
}

/*int main()
{
    cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
    
    int t=1; 
    cin>>t;
    
    vector<vector<int>> ola(t+1,vector<int> (t+1));
    fo(i,0,t-1)
        fo(j,0,t-1)cin>>ola[i][j];
    
    cout<<biggest_stadium(t, ola)<<"\n";
    
    fo(i,0,n-1){
        fo(j,0,n-1)cout<<res[i][j]<<' ';cout<<"\n";
    }

    return 0;
}*/

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 348 KB ok
7 Correct 1 ms 604 KB ok
8 Correct 26 ms 5244 KB ok
9 Correct 539 ms 79084 KB ok

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 344 KB ok
12 Correct 1 ms 544 KB ok
13 Correct 1 ms 756 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 344 KB ok
13 Correct 1 ms 544 KB ok
14 Correct 1 ms 756 KB ok
15 Correct 0 ms 344 KB ok
16 Correct 1 ms 344 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 1 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 1 ms 348 KB ok
21 Correct 0 ms 344 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 1 ms 348 KB ok

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 344 KB ok
15 Correct 1 ms 544 KB ok
16 Correct 1 ms 756 KB ok
17 Correct 0 ms 344 KB ok
18 Correct 1 ms 344 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 1 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 1 ms 348 KB ok
23 Correct 0 ms 344 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 348 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 1 ms 348 KB ok
29 Correct 1 ms 348 KB ok
30 Correct 0 ms 348 KB ok
31 Correct 0 ms 348 KB ok
32 Correct 0 ms 344 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 1 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 348 KB ok
38 Correct 1 ms 348 KB ok
39 Correct 1 ms 348 KB ok
40 Correct 0 ms 440 KB ok
41 Correct 0 ms 348 KB ok

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 344 KB ok
15 Correct 1 ms 544 KB ok
16 Correct 1 ms 756 KB ok
17 Correct 0 ms 344 KB ok
18 Correct 1 ms 344 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 1 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 1 ms 348 KB ok
23 Correct 0 ms 344 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 348 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 1 ms 348 KB ok
29 Correct 1 ms 348 KB ok
30 Correct 0 ms 348 KB ok
31 Correct 0 ms 348 KB ok
32 Correct 0 ms 344 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 1 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 348 KB ok
38 Correct 1 ms 348 KB ok
39 Correct 1 ms 348 KB ok
40 Correct 0 ms 440 KB ok
41 Correct 0 ms 348 KB ok
42 Correct 40 ms 5200 KB ok
43 Correct 38 ms 5268 KB ok
44 Correct 38 ms 5244 KB ok
45 Correct 44 ms 5204 KB ok
46 Correct 40 ms 5204 KB ok
47 Correct 30 ms 5212 KB ok
48 Correct 26 ms 5344 KB ok
49 Correct 25 ms 5280 KB ok
50 Correct 25 ms 5212 KB ok
51 Correct 31 ms 5208 KB ok
52 Correct 21 ms 5208 KB ok
53 Correct 20 ms 5212 KB ok
54 Correct 23 ms 5204 KB ok
55 Correct 24 ms 5260 KB ok
56 Correct 22 ms 5208 KB ok
57 Correct 27 ms 5184 KB ok
58 Correct 27 ms 5200 KB ok
59 Correct 29 ms 5400 KB ok

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 1 ms 348 KB ok
8 Correct 1 ms 604 KB ok
9 Correct 26 ms 5244 KB ok
10 Correct 539 ms 79084 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 344 KB ok
20 Correct 1 ms 544 KB ok
21 Correct 1 ms 756 KB ok
22 Correct 0 ms 344 KB ok
23 Correct 1 ms 344 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 1 ms 348 KB ok
26 Correct 0 ms 348 KB ok
27 Correct 1 ms 348 KB ok
28 Correct 0 ms 344 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 0 ms 348 KB ok
31 Correct 0 ms 348 KB ok
32 Correct 0 ms 348 KB ok
33 Correct 1 ms 348 KB ok
34 Correct 1 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 344 KB ok
38 Correct 0 ms 348 KB ok
39 Correct 1 ms 348 KB ok
40 Correct 1 ms 348 KB ok
41 Correct 0 ms 348 KB ok
42 Correct 0 ms 348 KB ok
43 Correct 1 ms 348 KB ok
44 Correct 1 ms 348 KB ok
45 Correct 0 ms 440 KB ok
46 Correct 0 ms 348 KB ok
47 Correct 40 ms 5200 KB ok
48 Correct 38 ms 5268 KB ok
49 Correct 38 ms 5244 KB ok
50 Correct 44 ms 5204 KB ok
51 Correct 40 ms 5204 KB ok
52 Correct 30 ms 5212 KB ok
53 Correct 26 ms 5344 KB ok
54 Correct 25 ms 5280 KB ok
55 Correct 25 ms 5212 KB ok
56 Correct 31 ms 5208 KB ok
57 Correct 21 ms 5208 KB ok
58 Correct 20 ms 5212 KB ok
59 Correct 23 ms 5204 KB ok
60 Correct 24 ms 5260 KB ok
61 Correct 22 ms 5208 KB ok
62 Correct 27 ms 5184 KB ok
63 Correct 27 ms 5200 KB ok
64 Correct 29 ms 5400 KB ok
65 Correct 800 ms 87280 KB ok
66 Correct 556 ms 87004 KB ok
67 Correct 474 ms 86928 KB ok
68 Correct 788 ms 86928 KB ok
69 Correct 854 ms 86796 KB ok
70 Correct 895 ms 86828 KB ok
71 Correct 797 ms 86968 KB ok
72 Correct 725 ms 86980 KB ok
73 Correct 589 ms 86864 KB ok
74 Correct 596 ms 86868 KB ok
75 Correct 582 ms 86864 KB ok
76 Correct 623 ms 86868 KB ok
77 Correct 612 ms 86832 KB ok
78 Correct 713 ms 86868 KB ok
79 Correct 465 ms 86868 KB ok
80 Correct 449 ms 86864 KB ok
81 Correct 463 ms 86868 KB ok
82 Correct 514 ms 86964 KB ok
83 Correct 507 ms 86864 KB ok
84 Correct 445 ms 87128 KB ok
85 Correct 433 ms 86868 KB ok
86 Correct 445 ms 86940 KB ok
87 Correct 452 ms 86868 KB ok
88 Correct 464 ms 86884 KB ok
89 Correct 595 ms 86932 KB ok
90 Correct 572 ms 86868 KB ok
91 Correct 639 ms 86868 KB ok
92 Correct 472 ms 87056 KB ok
93 Correct 461 ms 86864 KB ok
94 Correct 458 ms 86868 KB ok
95 Correct 449 ms 86864 KB ok
96 Correct 450 ms 86920 KB ok
97 Correct 481 ms 87060 KB ok
98 Correct 450 ms 86956 KB ok
99 Correct 715 ms 87120 KB ok
100 Correct 585 ms 87204 KB ok
101 Correct 594 ms 87204 KB ok
102 Correct 604 ms 87152 KB ok
103 Correct 621 ms 87124 KB ok
104 Correct 639 ms 87132 KB ok
105 Correct 656 ms 86800 KB ok
106 Correct 617 ms 86864 KB ok
107 Correct 601 ms 86800 KB ok
108 Correct 616 ms 86920 KB ok
109 Correct 846 ms 79184 KB ok