31 lines
610 B
C
31 lines
610 B
C
#include <stdio.h>
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int main(void) {
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int total = 0;
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int counter = 0;
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printf("%s","Enter grades!, -1 to End: ");
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int grade = 0;
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scanf("%d", &grade);
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while(grade != -1) {
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total = total + grade;
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counter = counter + 1;
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printf("%s", "Enter grades!, -1 to End: ");
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scanf("%d", &grade);
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}
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if (counter != 0) {
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double avarage = (double) total / counter;
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printf("Class average is %.2f\n", avarage);
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printf("%d ", total);
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printf("%d ", counter);
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printf("%.0f", avarage);
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} else {
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puts("Enter a valid number!");
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}
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} |