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#include <stdio.h>
#define LOWER 0
#define UPPER 300
#define STEP 20
int
main()
{
float fahr, cel;
printf("Fahrenheit-Celsius table\n");
for (fahr = UPPER; fahr >= LOWER; fahr -= STEP) {
cel = (5.0 / 9.0) * (fahr - 32.0);
/* 3 and 6 digits wide with 0 and 1 digits after the dot */
printf("%3.0f %6.1f\n", fahr, cel);
}
printf("\nCelsius-Fahrenheit table\n");
for (cel = LOWER; cel <= UPPER; cel += STEP) {
fahr = 9.0 / 5.0 * cel + 32.0;
printf("%3.0f %6.0f\n", cel, fahr);
}
return 0;
}
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