#include <stdio.h>
int main() {
float a = 0.1f;
float b = 0.2f;
float c = a + b;
float d = 0.3f;
printf("%a\n%a\n%a\n%a\n%15.12f\n%15.12f\n", a
, b
, c
, d
, c
, d
); return 0;
}
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