1020 Tree Traversals (25 分) Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tr
01-复杂度2 Maximum Subsequence Sum (25分) Given a sequence of K integers { N1,N2, ..., NK }. A continuous subsequence is defined to be { Ni,Ni+1, ..., Nj } where 1≤i≤j≤K. The Maximum Subsequence is the continuous subsequence which has
1083 List Grades (25 分) Given a list of N student records with name, ID and grade. You are supposed to sort the records with respect to the grade in non-increasing order, and output those student records of which the grades are in a given interval. I
1002 A+B for Polynomials (25 分) This time, you are supposed to find A+B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial
一点25分的样子都没有 #include<cstdio> #include<string.h> using namespace std; int main(){ long long ans=0; int P=0,T=0; char arr[100010]; scanf("%s",arr); for(int i=0;i<strlen(arr);i++){ if(arr[i]=='T') T++; } for(int i=0;i<strlen(arr);