Problem 1004Danganronpa Accept: 0 Submit: 0Time Limit: 2000/1000 MS (Java/Others)Memory Limit : 65536/65536 K (Java/Others) Problem DescriptionChisa Yukizome works as a teacher in the school. She prepares many gifts, which consist of n kinds with a[i] quantities of each kind, for her stud
Problem 1002Zhu and 772002 Accept: 0 Submit: 0Time Limit: 2000/1000 MS (Java/Others)Memory Limit : 65536/65536 K (Java/Others) Problem DescriptionZhu and 772002 are both good at math. One day, Zhu wants to test the ability of 772002, so he asks 772002 to solve a math problem. But 772
Problem 1001A water problem Accept: 0 Submit: 0Time Limit: 5000/2500 MS (Java/Others)Memory Limit : 65536/65536 K (Java/Others) Problem DescriptionTwo planets named Haha and Xixi in the universe and they were created with the universe beginning. There is 73 days in Xixi a year and 13
Problem 1008Special Tetrahedron Accept: 0 Submit: 0Time Limit: 4000/2000 MS (Java/Others)Memory Limit : 65536/65536 K (Java/Others) Problem DescriptionGiven n points which are in three-dimensional space(without repetition). Please find out how many distinct Special Tetrahedron among