leafinsnowfield的专栏

int gcd(int a,int b) { if(b==0) return a; return gcd(b,a%b); } int gcd(int a,int b) { return b==0?a:gcd(b,a%b); } int gcd(int a,int b) { while(b!=0) { int r=b; b=a%b; a=r; } return a; }

参考网站：http://www.cnblogs.com/frog112111/archive/2012/08/19/2646012.html

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