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WA得好惨,我直到现在还没AC,不知道是思路错了还是什么原因。附WA代码,望大家引以为戒#include <stdio.h> #include <math.h> int main() { int m,n; double h,ka,acid; while(~scanf("%lf%lf%d%d",&ka,&acid,&m,&n)&&(ka||acid||m||n)) { h=(sqrt(ka*ka+4*ka*m*n*acid)-ka)/(2*n); printf("%.3lf\n",-log10(h)); } return 0; } Followed by:
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