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AC代码,作为参考,其实挺水的#include <stdio.h> #include <math.h> double ka; double acid; double res; double temp, delta; int m, n; int main() { scanf("%lf%lf%d%d", &ka, &acid, &m, &n); while(ka && acid && m && n) { delta = sqrt(ka * ka+4 * n * acid * ka * m); temp = (-ka + delta) / (2 * n); res = -log10(temp); printf("%.3lf\n",res); scanf("%lf%lf%d%d", &ka, &acid, &m, &n); } return 0; } Followed by:
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