oil

The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then analyzes each plot separately, using sensing equipment to determine whether or not the plot contains oil. A plot containing oil is called a pocket. If two pockets are adjacent, then they are part of the same oil deposit. Oil deposits can be quite large and may contain numerous pockets. Your job is to determine how many different oil deposits are contained

现在90号汽油6.95元/升、93号汽油7.44元/升、97号汽油7.93元/升。为吸引顾客，某自动加油站推出了“自助服务”和“协助服务”两个服务等级，分别可得到5%和3%的折扣。 本题要求编写程序，根据输入顾客的加油量a，汽油品种b（90、93或97）和服务类型c（m - 自助，e - 协助），计算并输出应付款。 输入格式： 输入在一行中给出两个整数和一个字符，分别表示顾客的加油量a，汽油品种b（90、93或97）和服务类型c（m - 自助，e - 协助）。 输出格式： 在一行中输出应付款额，保留小数点后2位。 第一次错： #include <stdio.h> void main() { int oil,kind; float discount=0.97,money; char type; scanf("%d%d %c",&oil,&kind,&type); if(type=='m') discount=0.95; if(kind==90) kind=(float)6.95;else if(kind==93) kind=(float)7.44;else kind=(float)7.93; money=oil*kind*discount; printf("%.2f",money); } 后来在断点调试时发现kind依然是整形7，即使加了(float)也不能改变类型。

Oil Deposits Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 58953 Accepted Submission(s): 33786 Problem Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then analyzes each plot separately, using sensing equipment to determine whether or not the plot contains oil. A plot containing oil is called a pocket. If two pockets are adjacent, then they

每天坚持背默！ The deepest holes all are made for oil,and they go down to as much as 25,000feet ,but we do not need to send men down to get the oil out,as we must with any other mineral deposits .The holes are only borings,less than a foot in diameter.My particular experience is largely in oil,and the search for oil has done more to improve deep drilling than any other mining activity.When it has been decided where we are going to drill,we put up at the surface an oil derrick,which has to be tall bacause it is like a giant block and tackle.（ And ）We（ have to ） lower it into the ground and haul out of

hdoj 1241 Oil Deposits Problem Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then analyzes each plot separately, using sensing equipment to determine whether or not the plot contains oil. A plot containing oil is called a pocket. If two pockets are adjacent, then they are part of the same oil deposit. Oil deposits can be quite large and may contain numerous pockets. Your job is to determine

链接： E - Oil Deposits 题目： The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then analyzes each plot separately, using sensing equipment to determine whether or not the plot contains oil. A plot containing oil is called a pocket. If two pockets are adjacent, then they are part of the same oil deposit. Oil deposits can be quite large and may contain numerous pockets. Your job is to determine how many different

The use of portable air compressors includes simply inflating footballs and tires, inflating cylinders, and powering pneumatic tools such as wind cannons, grinders, wrenches and paint sprayers. An important factor you should consider when using a portable air compressor is power, expressed in horsepower (HP), and air intake volume expressed in cubic feet per minute (CFM). You also need to check its capacity to consider the balance between large capacity and portability. Operating these compressors is easy, but to maintain their safety and durability, several steps must be followed when using

Oil Deposits 原题链接： http://acm.hdu.edu.cn/showproblem.php?pid=1241 The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then analyzes each plot separately, using sensing equipment to determine whether or not the plot contains oil. A plot containing oil is called a pocket. If two pockets are adjacent, then they are part of the same oil deposit. Oil deposits can be quite large and may contain numerous pockets. Your

Cone crusher is the main crusher machine in secondary crushing process, the reliable working of cone crusher can make the whole production line having high output, and prolong the machine service. Therefore, the lubriation of cone crusher is very important. 1. Lubrication: The rapid abrasion is produced between shaft and shaft sleeve,main shaft and spider bushing, head center and bearing bush, eccentric sleeve and straight sleeve, upper thrust plate and lower thrust plate, bevel gear and pinion. In order to prevent wear and tear of spare parts,operators need to add enough lubrication oil

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a array of associative arrays aa[] = ('Tires'=>100, 'Oil'=>10, 'Spark Plugs'=>4 ); aa[] = ('Tires'=>454, 'Oil'=>43, 'Spark Plugs'=>3 ); aa[] = ('Tires'=>34, 'Oil'=>55, 'Spark Plugs'=>44 ); aa[] = ('Tires'=>454, 'Oil'=>43, 'Spark Plugs'=>45 ); aa[] = ('Tires'=>34, 'Oil'=>55, 'Spark Plugs'=>433 ); aa[] = ('Tires'=>23, 'Oil'=>33, 'Spark Plugs'=>44 ); Two Questions How can I remove duplicates according tot he field 'Oil' is there a array_unique which I can provide a callback which acts as a custom comparator? How can I sort by a custom