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The topic is to say to a tree, the leaf knot has the negative right, the side has the right, the question can choose how many leaves node, make from leaves to the root of the weight and less than equal to 0.Consider the size of the data to indicate

Teletime limit:1000msmemory limit:65536kbthis problem'll be judged onPKU. Original id:115564-bit integer IO format: %lld Java class name: Main A Tv-network plans to broadcast an important football match. Their network of transmitters and users can

The traditional teaching takes the class as the unit, according to the geographical scope teaching and the study, in the Chinese geographical scope is particularly wide, the geographical difference decides the education teaching the wrong, along

Clinical Hospital undertakes the task of medicine, teaching, research, reception trainee, training refresher staff, teaching task is heavy. Surgery teaching process, need on-site teaching, but the operating room space is limited, many students, poor

Meaning A premium cable television network plans to relay an important football match. Their broadcast network and user terminals constitute a tree-like structure, the root of the tree is located in the scene of the football game, leaves for each

Title: To a tree with the right edge, each leaf node has the right. The Benquan represents the cost, and the weight of the leaf node represents how much it can compensate. Ask the maximum number of leaves that can be reached from the root node,

/*This problem is also good, I have come up with the idea of a relatively fast, also came to a small experience, after writing this problem first to write the key part of the pseudo-code to write this will be much faster andNot so easy to make

The system of television, transit, and user's TV is just a tree.n nodes, numbered respectively 1~n,1 is the TV station Center, 2~n-m is the broker, N-m+1~n is the user, 1 is the rootNow node 1 ready to broadcast a game, known to transfer data from

Telemedicine refers to the use of computer technology , communication technology and multimedia technology, combined with medical technology, aims to improve the level of diagnosis and medical care, reduce medical expenses, and meet the needs of

POJ 1155 TELE tree backpack, pojtele Link: http://poj.org/problem? Id = 1155 A TV station broadcasts an important football match. It uses this broadcasting machine as the root to establish a "broadcasting tree". There are N in total (N Train of