【Codeforces Round 276 (Div 2)B】【水题】Valuable Resources 最小正方形包含所有点
B.ValuableResourcestimelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputManycomputerstrategygamesrequirebuildingcities,recruitingarmy,conqueringtribes,collectingr