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#include <iostream> #include<stdio.h> using namespace std; int common(int x,int y) { if(x==y) return x; if(x>y) return common(x/2,y); return common(x,y/2); } int main() { int m,n; scanf("%d%d",&m,&n); printf("%d\n",common(m,n)); return 0; }
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原文地址:http://www.cnblogs.com/zhuoyuezai/p/5832046.html