結果
| 問題 |
No.2006 Decrease All to Zero
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 16:49:02 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,406 bytes |
| コンパイル時間 | 186 ms |
| コンパイル使用メモリ | 82,304 KB |
| 実行使用メモリ | 76,544 KB |
| 最終ジャッジ日時 | 2025-06-12 16:50:05 |
| 合計ジャッジ時間 | 12,218 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 6 WA * 21 |
ソースコード
def main():
import sys
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
X = list(map(int, input[ptr:ptr+N]))
ptr += N
A = list(map(int, input[ptr:ptr+N]))
ptr += N
# Check feasibility
total = sum(A)
possible = True
for i in range(N):
if A[i] > 1 + (total - A[i]):
possible = False
break
if not possible:
print(-1)
return
# Initialize
current = None
min_x = float('inf')
min_idx = -1
for i in range(N):
if A[i] > 0 and X[i] < min_x:
min_x = X[i]
min_idx = i
if min_idx == -1:
print(0)
return
current = min_idx
total_distance = 0
A[current] -= 1
while True:
found = False
min_dist = float('inf')
next_button = -1
for j in range(N):
if j == current:
continue
if A[j] > 0:
dist = abs(X[j] - X[current])
if dist < min_dist:
min_dist = dist
next_button = j
if next_button == -1:
break
total_distance += min_dist
current = next_button
A[current] -= 1
# Check if all A are zero
if all(a == 0 for a in A):
print(total_distance)
else:
print(-1)
if __name__ == "__main__":
main()
gew1fw