流水依依

摘要： TroubleTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3526Accepted Submission(s): 1113Problem DescriptionHassan is in trouble. His mathematics teacher has given him a very difficult problem called 5-sum. Please help him.The 5-sum... 阅读全文

摘要： unique函数的功能是：去除相邻的重复元素（只保留一个）。函数参数：unique(first,last,compare);//first为容器的首迭代器，last为容器的末迭代器，compare为比较函数（可略写）。 int N ; while(cin>>N){ for(int i=1 ;i>num[i] ; sort(num+1,num+1+N) ; //先排序 int M=unique(num+1,num+1+N)-(num+1) ; cout<<M<<endl ; for(int i=1 ;i<=M ;i++) cout<<n 阅读全文