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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#877002#3301. Economic One-way RoadsMaMengQiWA 2ms14280kbC++172.2kb2025-01-31 17:12:372025-01-31 17:12:37

详细

Test #1:

score: 0
Wrong Answer
time: 2ms
memory: 14280kb

input:

4
-1 3 2 -1
3 -1 7 7
5 9 -1 9
-1 6 7 -1

output:

impossible
impossible
impossible
impossible

result:

wrong answer 1st lines differ - expected: '27', found: 'impossible'