uva 11346(期望)

it2022-05-23  66

简单期望,还是能做出来的,过河时间就是l/v和3l/v之间,即2l/v,再加一下D-sum(l)就可以了

#include <iostream> #include <cstring> #include <algorithm> #include <cstdio> using namespace std; int n; double d,p,l,v; int main() { int Case=0; while(~scanf("%d%lf",&n,&d)&&(d+n)) { double zz=d; for(int i=1;i<=n;i++) { scanf("%lf%lf%lf",&p,&l,&v); zz=zz-l; zz+=2.0*l/v; } printf("Case %d: %.3lf\n\n",++Case,zz); } return 0; }

 

转载于:https://www.cnblogs.com/Wangwanxiang/p/8414252.html


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