题目传送门 Calculation 2 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6114 Accepted Submission(s): 2499 Problem Description Given a positive integer N, your task is to calculate the sum of the…
Calculation 2 Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Description Given a positive integer N, your task is to calculate the sum of the positive integers less than N which are not coprime to N. A is s…
给整数N(1 ≤ N ≤ 1000000000),求小于N的与N不互素的所有正整数的和. 思路:1.用欧拉函数求出小于N的与N互素的正整数的个数: 2.若 p 与 N 互素,则 N-p 必与 N 互素(若 N%p==0 ,则 ( N , N-p )=p): 3.据此求出 小于N的与N互素的正整数 的和,用 小于N的所有正整数 的和减去之即可. #include<iostream> #include<cstdio> using namespace std; long long n,s…
Calculation 2 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Given a positive integer N, your task is to calculate the sum of the positive integers less than N which are not coprime to N. A is sai…
Calculation 2 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2181 Accepted Submission(s): 920 Problem Description Given a positive integer N, your task is to calculate the sum of the positiv…
Calculation 2 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2982 Accepted Submission(s): 1231 Problem Description Given a positive integer N, your task is to calculate the sum of the posit…