k-Exercise 5.3 Handling monetary values as integers
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时间：2015年06月09日
Exercise 5-3. Write a program that will read five values from the keyboard and store
them in an array of type float with the name amounts. Create two arrays of five
elements of type long with the names dollars and cents. store the whole number part
of each value in the amounts array in the corresponding element of dollars and the
fractional part of the amount as a two-digit integer in cents (e.g., 2.75 in amounts[1]
would result in 2 being stored in dollars[1] and 75 being stored in cents[1] ). Output
the values from the two arrays of type long as monetary amounts (e.g., $2.75).
对着打出错
1 //Exercise 5.3 Handling monetary values as integers 2 #include <stdio.h> 3 4 int main(void) 5 { 6 const size_t size = 5; 7 float amounts[size]; // Stores data values 8 long dollars[size]; 9 long cents[size]; 10 int i = 0; 11 12 printf("Enter %zd monetary values separated by spaces:\n", size); 13 for( i = 0 ; i < size ; ++i) 14 scanf("%f", &amounts[i]); 15 16 for( i = 0 ; i < size ; ++i) 17 { 18 dollars[i] = (long)amounts[i]; 19 cents[i] = (long)(100.0*(amounts[i] - dollars[i])); 20 } 21 22 printf("\n"); 23 for( i = 0 ; i < size ; ++i) 24 printf(" $%d.%02d", dollars[i], cents[i]); 25 26 printf("\n"); 27 return 0; 28 }
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