Month: April 2014
#include<cstdio> #include<algorithm> using namespace std; int num[100], n; int gcd(int a, int b) { return b ?…
#include<stdio.h> int main() { int N; while(scanf(“%d”,&N)==1) { if(N==0) break; int G=0,i,j; for(i=1;i<N;i++) { for(j=i+1;j<=N;j++) { G+=GCD(i,j);…
Recent Comments