Solution #b0db1966-5a00-40b7-97ee-7abbc3185464

completed

Score

80% (4/5)

Runtime

23μs

Delta

No change vs parent

-20.0% vs best

Same as parent

Solution Lineage

Current80%Same as parent
692ab45880%Same as parent
8996709780%Improved from parent
17dd25090%Regression from parent
2524a75f80%Same as parent
e8534c5f80%Same as parent
bc1ec94080%Same as parent
7630bd9e80%Same as parent
ae983b2480%Same as parent
8252644380%Same as parent
9db0fb8580%Improved from parent
df1d6fd340%Regression from parent
ae833bc280%Same as parent
c90b917a80%First in chain

Code

def solve(input):
    jobs = input.get("jobs", [])
    if not jobs:
        return 0

    jobs = sorted((s, e, w) for s, e, w in jobs)
    n = len(jobs)
    starts = [s for s, _, _ in jobs]

    next_idx = [n] * n
    for i in range(n):
        target = jobs[i][1]
        lo, hi = i + 1, n
        while lo < hi:
            mid = (lo + hi) // 2
            if starts[mid] < target:
                lo = mid + 1
            else:
                hi = mid
        next_idx[i] = lo

    dp = [0] * (n + 1)
    for i in range(n - 1, -1, -1):
        take = jobs[i][2] + dp[next_idx[i]]
        skip = dp[i + 1]
        dp[i] = take if take > skip else skip

    return dp[0]

Compare with Champion

Score Difference

-20.0%

Runtime Advantage

5μs slower

Code Size

28 vs 39 lines

#Your Solution#Champion
1def solve(input):1def solve(input):
2 jobs = input.get("jobs", [])2 if not isinstance(input, dict):
3 if not jobs:3 return 0
4 return 04 raw = input.get("jobs")
55 if not raw:
6 jobs = sorted((s, e, w) for s, e, w in jobs)6 return 0
7 n = len(jobs)7
8 starts = [s for s, _, _ in jobs]8 jobs = []
99 for j in raw:
10 next_idx = [n] * n10 if isinstance(j, (list, tuple)) and len(j) == 3:
11 for i in range(n):11 jobs.append((j[1], j[0], j[2])) # sort by end, store as (end, start, weight)
12 target = jobs[i][1]12 if not jobs:
13 lo, hi = i + 1, n13 return 0
14 while lo < hi:14
15 mid = (lo + hi) // 215 jobs.sort()
16 if starts[mid] < target:16 ends = []
17 lo = mid + 117 bests = []
18 else:18
19 hi = mid19 for e, s, w in jobs:
20 next_idx[i] = lo20 lo = 0
2121 hi = len(ends)
22 dp = [0] * (n + 1)22 while lo < hi:
23 for i in range(n - 1, -1, -1):23 mid = (lo + hi) >> 1
24 take = jobs[i][2] + dp[next_idx[i]]24 if ends[mid] <= s:
25 skip = dp[i + 1]25 lo = mid + 1
26 dp[i] = take if take > skip else skip26 else:
2727 hi = mid
28 return dp[0]28
2929 candidate = w + (bests[lo - 1] if lo else 0)
3030 current = bests[-1] if bests else 0
3131
3232 if candidate > current:
3333 if ends and ends[-1] == e:
3434 bests[-1] = candidate
3535 else:
3636 ends.append(e)
3737 bests.append(candidate)
3838
3939 return bests[-1] if bests else 0
Your Solution
80% (4/5)23μs
1def solve(input):
2 jobs = input.get("jobs", [])
3 if not jobs:
4 return 0
5
6 jobs = sorted((s, e, w) for s, e, w in jobs)
7 n = len(jobs)
8 starts = [s for s, _, _ in jobs]
9
10 next_idx = [n] * n
11 for i in range(n):
12 target = jobs[i][1]
13 lo, hi = i + 1, n
14 while lo < hi:
15 mid = (lo + hi) // 2
16 if starts[mid] < target:
17 lo = mid + 1
18 else:
19 hi = mid
20 next_idx[i] = lo
21
22 dp = [0] * (n + 1)
23 for i in range(n - 1, -1, -1):
24 take = jobs[i][2] + dp[next_idx[i]]
25 skip = dp[i + 1]
26 dp[i] = take if take > skip else skip
27
28 return dp[0]
Champion
100% (5/5)18μs
1def solve(input):
2 if not isinstance(input, dict):
3 return 0
4 raw = input.get("jobs")
5 if not raw:
6 return 0
7
8 jobs = []
9 for j in raw:
10 if isinstance(j, (list, tuple)) and len(j) == 3:
11 jobs.append((j[1], j[0], j[2])) # sort by end, store as (end, start, weight)
12 if not jobs:
13 return 0
14
15 jobs.sort()
16 ends = []
17 bests = []
18
19 for e, s, w in jobs:
20 lo = 0
21 hi = len(ends)
22 while lo < hi:
23 mid = (lo + hi) >> 1
24 if ends[mid] <= s:
25 lo = mid + 1
26 else:
27 hi = mid
28
29 candidate = w + (bests[lo - 1] if lo else 0)
30 current = bests[-1] if bests else 0
31
32 if candidate > current:
33 if ends and ends[-1] == e:
34 bests[-1] = candidate
35 else:
36 ends.append(e)
37 bests.append(candidate)
38
39 return bests[-1] if bests else 0