oj.uz

Submission #1065707

# Submission time Handle Problem Language Result Execution time Memory
1065707 2024-08-19T11:08:22 Z GrindMachine Soccer Stadium (IOI23_soccer) C++17
64 / 100
 1427 ms 2097152 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*

refs:
https://blog.brucemerry.org.za/2023/11/ioi-2023-day-1.html

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "soccer.h"

int biggest_stadium(int n, std::vector<std::vector<int>> A)
{
    int a[n+5][n+5];
    memset(a,0,sizeof a);
    rep1(i,n) rep1(j,n) a[i][j] = A[i-1][j-1];

    int mx_extend[n+5][n+5];
    memset(mx_extend,0,sizeof mx_extend);
    rep1(i,n) mx_extend[i][n+1] = n;

    rev(j,n,1){
        rep1(i,n){
            if(!a[i][j]){
                mx_extend[i][j] = mx_extend[i][j+1];
            }
            else{
                mx_extend[i][j] = j-1;
            }
        }
    }

    int b[n+5][n+5][n+5];
    memset(b,0,sizeof b);
    rep1(l,n){
        rep1(i,n){
            int mn = inf1;
            for(int j = i; j <= n; ++j){
                amin(mn,mx_extend[j][l]);
                b[i][j][l] = mn;
            }
        }
    }

    int p[n+5][n+5];
    memset(p,0,sizeof p);
    rep1(i,n){
        rep1(j,n){
            p[i][j] = p[i-1][j]+a[i][j];
        }
    }

    int dp[n+5][n+5][n+5];
    memset(dp,0,sizeof dp);

    int ans = 0;

    rep1(l,n){
        rev(i,n,1){
            for(int j = i; j <= n; ++j){
                if(p[j][l]-p[i-1][l]) conts;
                int r = b[i][j][l];
                int len = r-l+1;
                dp[i][j][l] = max(dp[i+1][j][l],dp[i][j-1][l])+len;
                amax(dp[i][j][l],dp[i][j][l-1]);
                amax(ans,dp[i][j][l]);
            }
        }
    }

    return ans;
}

Subtask #0
0.0 / 0.0

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

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 1 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 10 ms 9648 KB ok
8 Correct 1386 ms 1013844 KB ok
9 Runtime error 1139 ms 2097152 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

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 344 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 436 KB ok
10 Correct 1 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 348 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 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 436 KB ok
11 Correct 1 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 1 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 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 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 1 ms 348 KB ok
26 Correct 0 ms 348 KB ok

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 344 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 436 KB ok
13 Correct 1 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 1 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 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 0 ms 348 KB ok
27 Correct 1 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 1 ms 604 KB ok
31 Correct 0 ms 604 KB ok
32 Correct 1 ms 604 KB ok
33 Correct 1 ms 604 KB ok
34 Correct 1 ms 604 KB ok
35 Correct 1 ms 604 KB ok
36 Correct 1 ms 600 KB ok
37 Correct 0 ms 604 KB ok
38 Correct 0 ms 604 KB ok
39 Correct 1 ms 604 KB ok
40 Correct 0 ms 604 KB ok
41 Correct 1 ms 604 KB ok

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 344 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 436 KB ok
13 Correct 1 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 1 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 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 0 ms 348 KB ok
27 Correct 1 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 1 ms 604 KB ok
31 Correct 0 ms 604 KB ok
32 Correct 1 ms 604 KB ok
33 Correct 1 ms 604 KB ok
34 Correct 1 ms 604 KB ok
35 Correct 1 ms 604 KB ok
36 Correct 1 ms 600 KB ok
37 Correct 0 ms 604 KB ok
38 Correct 0 ms 604 KB ok
39 Correct 1 ms 604 KB ok
40 Correct 0 ms 604 KB ok
41 Correct 1 ms 604 KB ok
42 Correct 785 ms 1013844 KB ok
43 Correct 741 ms 1013808 KB ok
44 Correct 971 ms 1013928 KB ok
45 Correct 1092 ms 1013992 KB ok
46 Correct 822 ms 1013844 KB ok
47 Correct 1427 ms 1013844 KB ok
48 Correct 934 ms 1013844 KB ok
49 Correct 928 ms 1013844 KB ok
50 Correct 1125 ms 1013840 KB ok
51 Correct 785 ms 1013784 KB ok
52 Correct 760 ms 1013948 KB ok
53 Correct 736 ms 1013844 KB ok
54 Correct 912 ms 1013896 KB ok
55 Correct 780 ms 1013956 KB ok
56 Correct 778 ms 1013844 KB ok
57 Correct 1055 ms 1013928 KB ok
58 Correct 1096 ms 1014004 KB ok
59 Correct 1059 ms 1013776 KB ok

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 344 KB ok
8 Correct 10 ms 9648 KB ok
9 Correct 1386 ms 1013844 KB ok
10 Runtime error 1139 ms 2097152 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -