oj.uz

Submission #1096367

# Submission time Handle Problem Language Result Execution time Memory
1096367 2024-10-04T11:02:44 Z VMaksimoski008 Sparklers (JOI17_sparklers) C++17
50 / 100
 34 ms 18256 KB 
#include <bits/stdc++.h>

#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

int dp[1005][1005];

signed main() {
    int n, id, t, l=0, r=1e9, ans=1e9; cin >> n >> id >> t;

    vector<ll> v(n+1);
    for(int i=1; i<=n; i++) cin >> v[i];
    r = ans = v[n] / t + 1;
    while(l <= r) {
        int mid = (l + r) / 2;
        memset(dp, 0, sizeof(dp));
        dp[id][id] = 1;
        for(int len=2; len<=n; len++)
            for(int i=1, j=len; j<=n; i++,j++)
                if(v[j] - v[i] <= 2ll * mid * (j - i) * t) dp[i][j] = (dp[i+1][j] || dp[i][j-1]);
        if(dp[1][n]) ans = mid, r = mid - 1;
        else l = mid + 1;
    }

    cout << ans << '\n';
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8284 KB Output is correct
2 Correct 6 ms 8284 KB Output is correct
3 Correct 7 ms 8284 KB Output is correct
4 Correct 7 ms 8284 KB Output is correct
5 Correct 8 ms 8280 KB Output is correct
6 Correct 9 ms 8280 KB Output is correct
7 Correct 7 ms 8536 KB Output is correct
8 Correct 8 ms 8284 KB Output is correct
9 Correct 7 ms 8284 KB Output is correct
10 Correct 8 ms 8284 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 7 ms 8280 KB Output is correct
13 Correct 7 ms 8284 KB Output is correct
14 Correct 9 ms 8336 KB Output is correct
15 Correct 8 ms 8116 KB Output is correct
16 Correct 7 ms 8280 KB Output is correct
17 Correct 7 ms 8284 KB Output is correct
18 Correct 8 ms 8284 KB Output is correct
19 Correct 4 ms 8284 KB Output is correct
20 Correct 10 ms 8344 KB Output is correct
21 Correct 3 ms 8284 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8284 KB Output is correct
2 Correct 6 ms 8284 KB Output is correct
3 Correct 7 ms 8284 KB Output is correct
4 Correct 7 ms 8284 KB Output is correct
5 Correct 8 ms 8280 KB Output is correct
6 Correct 9 ms 8280 KB Output is correct
7 Correct 7 ms 8536 KB Output is correct
8 Correct 8 ms 8284 KB Output is correct
9 Correct 7 ms 8284 KB Output is correct
10 Correct 8 ms 8284 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 7 ms 8280 KB Output is correct
13 Correct 7 ms 8284 KB Output is correct
14 Correct 9 ms 8336 KB Output is correct
15 Correct 8 ms 8116 KB Output is correct
16 Correct 7 ms 8280 KB Output is correct
17 Correct 7 ms 8284 KB Output is correct
18 Correct 8 ms 8284 KB Output is correct
19 Correct 4 ms 8284 KB Output is correct
20 Correct 10 ms 8344 KB Output is correct
21 Correct 3 ms 8284 KB Output is correct
22 Correct 19 ms 8284 KB Output is correct
23 Correct 13 ms 8536 KB Output is correct
24 Correct 18 ms 8280 KB Output is correct
25 Correct 31 ms 8284 KB Output is correct
26 Correct 26 ms 8364 KB Output is correct
27 Correct 29 ms 8284 KB Output is correct
28 Correct 29 ms 8284 KB Output is correct
29 Correct 27 ms 8284 KB Output is correct
30 Correct 31 ms 8280 KB Output is correct
31 Correct 29 ms 8284 KB Output is correct
32 Correct 30 ms 8284 KB Output is correct
33 Correct 29 ms 8280 KB Output is correct
34 Correct 32 ms 8284 KB Output is correct
35 Correct 30 ms 8284 KB Output is correct
36 Correct 30 ms 8280 KB Output is correct
37 Correct 30 ms 8536 KB Output is correct
38 Correct 31 ms 8284 KB Output is correct
39 Correct 32 ms 8284 KB Output is correct
40 Correct 5 ms 8196 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8284 KB Output is correct
2 Correct 6 ms 8284 KB Output is correct
3 Correct 7 ms 8284 KB Output is correct
4 Correct 7 ms 8284 KB Output is correct
5 Correct 8 ms 8280 KB Output is correct
6 Correct 9 ms 8280 KB Output is correct
7 Correct 7 ms 8536 KB Output is correct
8 Correct 8 ms 8284 KB Output is correct
9 Correct 7 ms 8284 KB Output is correct
10 Correct 8 ms 8284 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 7 ms 8280 KB Output is correct
13 Correct 7 ms 8284 KB Output is correct
14 Correct 9 ms 8336 KB Output is correct
15 Correct 8 ms 8116 KB Output is correct
16 Correct 7 ms 8280 KB Output is correct
17 Correct 7 ms 8284 KB Output is correct
18 Correct 8 ms 8284 KB Output is correct
19 Correct 4 ms 8284 KB Output is correct
20 Correct 10 ms 8344 KB Output is correct
21 Correct 3 ms 8284 KB Output is correct
22 Correct 19 ms 8284 KB Output is correct
23 Correct 13 ms 8536 KB Output is correct
24 Correct 18 ms 8280 KB Output is correct
25 Correct 31 ms 8284 KB Output is correct
26 Correct 26 ms 8364 KB Output is correct
27 Correct 29 ms 8284 KB Output is correct
28 Correct 29 ms 8284 KB Output is correct
29 Correct 27 ms 8284 KB Output is correct
30 Correct 31 ms 8280 KB Output is correct
31 Correct 29 ms 8284 KB Output is correct
32 Correct 30 ms 8284 KB Output is correct
33 Correct 29 ms 8280 KB Output is correct
34 Correct 32 ms 8284 KB Output is correct
35 Correct 30 ms 8284 KB Output is correct
36 Correct 30 ms 8280 KB Output is correct
37 Correct 30 ms 8536 KB Output is correct
38 Correct 31 ms 8284 KB Output is correct
39 Correct 32 ms 8284 KB Output is correct
40 Correct 5 ms 8196 KB Output is correct
41 Runtime error 34 ms 18256 KB Execution killed with signal 11
42 Halted 0 ms 0 KB -