oj.uz

Submission #1090324

# Submission time Handle Problem Language Result Execution time Memory
1090324 2024-09-18T08:43:04 Z vjudge1 Sailing Race (CEOI12_race) C++17
40 / 100
 728 ms 6428 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
#define ll long long
#define ar array

//const int INF = 1e17;
const int N = 600;
const int Q = 105;
const int MOD = 1e9 + 7;
const int LOG = 60;

int dp[N][N][2];
int n;
bool g[N][N];

int f(int l,int r,bool d){
    if(dp[l][r][d] != -1)return dp[l][r][d];
    int ans = 0;

    for(int i = (l + 1) % n;i != r;i = (i + 1) % n){
        int prv = d ? l : r; 
        if(g[prv][i]){
            ans = max(ans, f(l, i, 0) + 1);
            ans = max(ans, f(i,r,1) + 1);
        }
    }

    return dp[l][r][d] = ans;
}

signed main(){ios_base::sync_with_stdio(false);cin.tie(0);
    memset(dp, -1, sizeof dp);
    cin>>n;
    int garb;
    cin>>garb;
    for(int i = 0;i < n;i++){
        int x;
        cin>>x;
        while(x){
            g[i][x - 1] = 1;
            cin>>x;
        }
    }
    int ans = 0;
    int mi = - 1;
    for(int i = 0;i < n;i++){
        for(int j = 0;j < n;j++){
            if(!g[i][j])continue;
            int res = f(i, j, 0) + 1;
            if(res > ans){
                ans = res;
                mi = i;
            }
            res = f(j, i, 1) + 1;
            if(res > ans){
                ans = res;
                mi = i;
            }
        }
    }
    cout<<ans<<" "<<mi + 1<<'\n';
}  


//! MI SE SPIEEEEE!

Subtask #1
40.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5980 KB Output is correct
2 Incorrect 2 ms 5980 KB Output isn't correct
3 Incorrect 3 ms 5980 KB Output isn't correct
4 Incorrect 2 ms 5980 KB Output isn't correct
5 Correct 3 ms 5980 KB Output is correct
6 Incorrect 3 ms 5980 KB Output isn't correct
7 Correct 5 ms 5976 KB Output is correct
8 Incorrect 4 ms 5976 KB Output isn't correct
9 Correct 7 ms 5980 KB Output is correct
10 Correct 9 ms 5980 KB Output is correct
11 Correct 12 ms 5980 KB Output is correct
12 Incorrect 41 ms 5980 KB Output isn't correct
13 Incorrect 113 ms 6232 KB Output isn't correct
14 Correct 254 ms 6232 KB Output is correct
15 Incorrect 613 ms 6236 KB Output isn't correct
16 Incorrect 664 ms 6368 KB Output isn't correct
17 Incorrect 636 ms 6364 KB Output isn't correct
18 Correct 435 ms 6236 KB Output is correct
19 Incorrect 728 ms 6232 KB Output isn't correct
20 Incorrect 700 ms 6428 KB Output isn't correct