25-cxsj-final/backend/routers/flower_planting_router.py

76 lines
2.4 KiB
Python

from fastapi import APIRouter
from pydantic import BaseModel
from typing import List, Any
from problems.flower_planting.problem import FlowerPlantingProblem
router = APIRouter(
prefix="/flower_planting",
tags=["flower_planting"],
responses={404: {"description": "Not found"}},
)
problem_solver = FlowerPlantingProblem()
class GenerateRequest(BaseModel):
length: int = 10
n: int = 0 # 0 means auto-generate challenging N
class SolveRequest(BaseModel):
flowerbed: List[int]
n: int
algorithms: List[str] = ["greedy", "brute_force"]
class BenchmarkRequest(BaseModel):
sizes: List[int] = [10, 15, 20, 25]
algorithms: List[str] = ["greedy", "brute_force"]
@router.post("/generate")
async def generate_case(req: GenerateRequest):
return problem_solver.generate_case(length=req.length, n=req.n)
@router.post("/solve")
async def solve_case(req: SolveRequest):
input_data = {"flowerbed": req.flowerbed, "n": req.n}
results = []
for algo in req.algorithms:
try:
if algo == "brute_force" and len(req.flowerbed) > 25:
results.append({
"algorithm": algo,
"error": "Input too large for Brute Force (limit 25)",
"skipped": True
})
continue
res = problem_solver.solve(input_data, algo)
results.append(res)
except Exception as e:
results.append({"algorithm": algo, "error": str(e)})
return results
@router.post("/benchmark")
async def benchmark(req: BenchmarkRequest):
benchmark_results = []
for size in req.sizes:
input_data = problem_solver.generate_case(length=size)
size_result = {"size": size, "algorithms": []}
for algo in req.algorithms:
try:
if algo == "brute_force" and size > 25:
size_result["algorithms"].append({
"algorithm": algo,
"time_seconds": None,
"skipped": True
})
continue
res = problem_solver.solve(input_data, algo)
size_result["algorithms"].append(res)
except Exception as e:
size_result["algorithms"].append({"algorithm": algo, "error": str(e)})
benchmark_results.append(size_result)
return benchmark_results