4918
5880
3万
GROAD
曲径通幽,安觅芳踪。
#include <math.h> double floor(double x);
#include <stdio.h> #include <math.h> int main() { printf ("%f\n", floor(3.14159)); printf ("%f\n", floor(8.98)); printf ("%d\n", (int)floor(7.54)); return 0; }
./floor 3.000000 8.000000 7
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