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# Include using namespace STD; int main () {int A; while (! (CIN> A) {cout Above from http://zhidao.baidu.com/question/58822190 The idea is to input a number and input other characters into the loop. When a is input, an error occurs, because CIN

# Include using namespace STD; Class lnode {friend class list; public: lnode (): m (0), next (0) {} PRIVATE: int m; int num; lnode * Next;}; Class head {friend class list; public: Head (): Top (0), rear (0) {} PRIVATE: lnode * top; lnode * rear;};

I personally feel like a good question ~~ # Include # include # include # define INF 0x3f3f3fusing namespace STD; const int maxn = 1005; const int maxm = 20005; struct node {int U, v, W ;}; node edge [maxm]; int first [maxn], next [maxm]; int

This is an explanation of the topic discussed by poj, which is well written. Thanks to the providers ,,, For every month, if it is profit, then profit is S, and if it is lost, then loss is D. Statistics are made once every five months. A total of

# Include # include # include # define max 10 using namespace STD; struct matrix {int num [Max] [Max]; matrix () {memset (Num, 0, sizeof (Num) ;}}; matrix res; matrix A; int m; Matrix Operator * (Matrix & A, Matrix & B) {Matrix T; int I, j, k;

One thing to consider about this question is that someone sat down at Station B from Station A, and he got off at Station B. He took a to B-1 in the bus range. # Include # include # include using namespace STD; const int maxn = 1000005;

# Include # include # include # define max 15 using namespace STD; struct matrix {int num [Max] [Max]; matrix () {memset (Num, 0, sizeof (Num) ;}}; matrix res; matrix A; int N, K; Matrix Operator * (Matrix & A, Matrix & B) {Matrix T; int I, j, k;

A Bug's Life Time limit:10000 ms   Memory limit:65536 K Total submissions:23484   Accepted:7639 Description Background  Extends sor Hopper is researching the sexual behavior of a rare species of bugs. he assumes

Fibonacci Time limit:1000 ms   Memory limit:65536 K Total submissions:6946   Accepted:4908 Description In the Fibonacci integer sequence,F0 = 0,F1 = 1, andFN=FN− 1 +FN−2N≥2. For example, the first ten termsThe

How many ways ?? Time Limit: 2000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 822 accepted submission (s): 254Problem description spring is approaching. The HDU campus is full of flowers, which are very

Question: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 3549 Flow Problem Time Limit: 5000/5000 MS (Java/others) memory limit: 65535/32768 K (Java/Others)Total submission (s): 5111 accepted submission (s): 2385Problem descriptionnetwork flow is a

~~ #include #include #include #define lson pos>1; }};node tree[MAXN*4];int num[MAXN];inline void pushup(int pos){ tree[pos].msum=max(tree[lson].msum,tree[rson].msum); tree[pos].lsum=tree[lson].lsum; tree[pos].rsum=tree[rson].rsum; if(

#include using namespace std;class base{ public: virtual void fun() { coutsonfun2(); return 0;} Compilation error: Main. cpp: 31: 8: Error: 'class base' has no member named 'sonfun2 C ++ primer version 4 p498: The

A very comprehensive question ~ No online segment tree is used for the second test ~~ #include #include #include #include #define lson pos>1; }};node tree[MAXN*4];inline void pushup(int pos){ tree[pos].msum=max(tree[lson].msum,tree[rson].msum)

Amount of the first line ~~ I have understood it for a long time ~ The idea is basically online ~ #include #include #include #include #include #define lson pos>1; }};node tree[MAXN*4];void pushup(int pos);void build(int l,int r,int pos){ tree[

Rectangular length and ~ #include #include #include #include #define lson pos>1; }};node tree[MAXN*4];void build(int l,int r,int pos){ tree[pos].l=l; tree[pos].r=r; if(l==r) { tree[pos].cover=0; tree[pos].sum=0;

Although it is also a rectangle area and ~ But it gave me a deeper understanding ~~ The original idea is to mark the large rectangle normally. To mark the small rectangle in reverse direction, the following is-1 and the above is 1 ~~ Failed to find

Most people have been in an impetuous status for almost ten years from the age of seventeen to the Age of twenty-seven. If this happens, you can only show one thing: you are normal -- or that sentence: Believe me, you are not alone. The first reason

A New Graph game Time Limit: 8000/4000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 1010 accepted submission (s): 454Problem descriptionan undirected graph is a graph in which the nodes are connected by undirected

Wooden sticks Problem descriptionthere is a pile of N wooden sticks. the length and weight of each stick are known in advance. the sticks are to be processed by a woodworking machine in one by one fashion. it needs some time, called setup time, for