이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
from collections import defaultdict
n, m, r, t, k = map(int, input().split())
graph = defaultdict(list)
matching = [-1] * m
degree = [0] * n
used = [0] * (n + 1)
T = 0
def try_dfs(v, deg):
global T
if used[v] == T:
return False
used[v] = T
if degree[v] > deg + 1:
return True
for u in graph[v]:
if try_dfs(matching[u], deg):
degree[matching[u]] -= 1
matching[u] = v
degree[v] += 1
return True
return False
for _ in range(k):
u, v = map(int, input().split())
u -= 1
v -= 1
graph[u].append(v)
for u in range(m):
if matching[u] == -1:
for v in range(n):
if u in graph[v] and matching[u] == -1:
matching[u] = v
degree[v] += 1
updated = True
while updated:
updated = False
ds = [(degree[v], v) for v in range(n)]
ds.sort()
T += 1
for _, v in ds:
if try_dfs(v, degree[v]):
updated = True
break
penalty = 0
res = []
for v in range(n):
degree[v] = min(degree[v], t // r)
for u in range(m):
if matching[u] != -1 and degree[matching[u]]:
penalty += degree[matching[u]] * r
degree[matching[u]] -= 1
res.append((matching[u] + 1, u + 1, degree[matching[u]] * r))
print(len(res), penalty)
for el in res:
print(el[0], el[1], el[2])
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