Flow Problem HDU - 3549 Network flow is a well-known difficult problem for ACMers. Given a graph, your task is to find out the maximum flow for the weighted directed graph.  InputThe first line of input contains an integer T, denoting the number of t…

D - Ugly Problem HDU - 5920 Everyone hates ugly problems. You are given a positive integer. You must represent that number by sum of palindromic numbers. A palindromic number is a positive integer such that if you write out that integer as a string i…

Prime Ring Problem HDU - 1016 A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime. Note: the number of first circle should a…

A + B Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 654986    Accepted Submission(s): 204210 Problem Description Calculate A + B.   Input Each line will contain two integers A and B.…

#include int main() { int a,b; while(scanf("%d%d",&a,&b)!=EOF) printf("%d\n",a+b); return 0; }…

链接: http://acm.hdu.edu.cn/showproblem.php?pid=5443 The Water Problem Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 738    Accepted Submission(s): 591 Problem Description In Land waterless, w…

A + B Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 571020    Accepted Submission(s): 181151 Problem Description Calculate A + B.   Input Each line will contain two integers A and B. P…

String Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1492    Accepted Submission(s): 662 Problem Description Give you a string with length N, you can generate N strings by left shifts.…

River Problem Time Limit: 6000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 721    Accepted Submission(s): 282 Problem Description The River of Bitland is now heavily polluted. To solve this problem, the King…

A + B Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 623267 Accepted Submission(s): 194565 Problem Description Calculate A + B. Input Each line will contain two integers A and B. Process…