51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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#include <stdio.h>
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int main() {
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// declaring and defining the 14 digit numbers
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int digits[] = {3, 4, 2, 1, 5, 6, 8, 3, 1, 5, 1, 5, 6, 5};
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// declaring the variable for the total of the first, third, fifth elements and so on...
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int sum_odd;
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printf("=====================================\n");
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printf("First set of digits\n");
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printf("=====================================\n");
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// loop through the first, third, fifth element and so on
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for(size_t i = 0; i < (sizeof(digits) / sizeof(digits[0])); i += 2) {
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// multiplying the value of each element by 2
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digits[i] = digits[i] * 2;
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printf("Element %d: %d\n", ((int)i + 1), digits[i]);
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// adding the value of the current element to the old sum_even value
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sum_odd += digits[i];
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}
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// declaring the variable for second, forth, sixth elements and so on...
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int sum_even;
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printf("\n");
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printf("=====================================\n");
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printf("Second set of digits\n");
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printf("=====================================\n");
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// loop through the second, forth, sixth digits and so on
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for(size_t j = 1; j < (sizeof(digits) / sizeof(digits[0])); j += 2) {
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// multiplying the value of each element by 2
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digits[j] = digits[j] * 2;
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printf("Element %d: %d\n", ((int)j + 1), digits[j]);
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// adding the value of the current element to the old sum_even value
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sum_even += digits[j];
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}
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// add the sum of sum_odd and sum_even together
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int total = sum_odd + sum_even;
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// print out the value
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printf("\n");
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printf("=====================================\n");
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printf("Total: %d\n", total);
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printf("=====================================\n");
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return 0;
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}
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