hdu1049

2018-06-04 11:09:13 浏览数 (1)

#include<stdio.h> int main() { int n,u,d; while(scanf("%d%d%d",&n,&u,&d),n) { int t=(n-u)/(u-d); if(t*(u-d)<(n-u)) t ; t*=2; t ; printf("%dn",t); } return 0; }

include int return scanf stdio

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