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为什么我用double不能过要用float啊#include <cstdio> #include <algorithm> #include <functional> #include<cstdlib> #include<iostream> #include<cstring> #include<cmath> using namespace std; int main() { float vs,r,c,w,vr; int n,i; scanf("%f %f %f %d",&vs,&r,&c,&n); for(int i=1;i<=n;i++) { scanf("%f",&w); vr=c*r*w*vs/sqrt(1+c*r*w*c*r*w); printf("%.3f\n",vr); } system("pause"); return 0; } Followed by:
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