//改变学生数据 int change() { char key[10]; int j,k;int n=1,new_pw,password=1234;int r; struct student p,t; for(r=0;r<80;r++) printf("*"); printf("which student's details do you want to change(0-16):\n"); /*选择要修改的学生*/ scanf("%d",&j); while(n<=3) { p
Given an NN integer matrix (aij)NN , find the maximum value of a 1 i m N and 1 j n N . For convenience, the maximum submatrix sum is 0 if all the integers are negative. Example: For matrix and has the sum of 15. 0270 9262 92
