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刷計算機編程題目，USACO某道題，因為最近想用java，就寫了一個，各種查錯+優化之后總算通過了：

TASK: camelot

LANG: JAVA

Compiling...

Compile: OK

Executing...

Test 1: TEST OK [0.187 secs, 30200 KB]

Test 2: TEST OK [0.266 secs, 30200 KB]

Test 3: TEST OK [0.295 secs, 30200 KB]

Test 4: TEST OK [0.475 secs, 30200 KB]

Test 5: TEST OK [0.576 secs, 30200 KB]

Test 6: TEST OK [0.770 secs, 30200 KB]

Test 7: TEST OK [0.259 secs, 30200 KB]

Test 8: TEST OK [0.302 secs, 30200 KB]

Test 9: TEST OK [0.518 secs, 30200 KB]

Test 10: TEST OK [0.540 secs, 30200 KB]

Test 11: TEST OK [0.274 secs, 30200 KB]

Test 12: TEST OK [0.216 secs, 30200 KB]

Test 13: TEST OK [0.223 secs, 30200 KB]

Test 14: TEST OK [0.245 secs, 30200 KB]

Test 15: TEST OK [0.274 secs, 30200 KB]

Test 16: TEST OK [0.252 secs, 30200 KB]

Test 17: TEST OK [0.302 secs, 30200 KB]

Test 18: TEST OK [0.245 secs, 30200 KB]

Test 19: TEST OK [0.274 secs, 30200 KB]

Test 20: TEST OK [0.288 secs, 30200 KB]

All tests OK.

Your program ('camelot') produced all correct answers!

可以看出，這段Java代碼平均用時大約在0.4s左右，最慢的數據0.770s，內存(因為我沒有用到任何動態內存項目，使用了3.02MB)