40 lines
610 B
C
40 lines
610 B
C
#include <stdio.h>
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// Function prototypes
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void get_primes(void);
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int is_prime(int num);
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int main(void) {
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// Initialize variables
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int lines;
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scanf("%d", &lines);
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for (int i = 0; i < lines; i++) {
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get_primes();
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}
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return 0;
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}
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void get_primes(void) {
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int temp; // Temporary
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int count = 0;
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scanf("%d", &temp);
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while (temp != -1) {
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if (is_prime(temp) == 0) { // is_prime returns 1 aka. true
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count++;
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}
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scanf("%d", &temp);
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}
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printf("%d\n", count);
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}
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int is_prime(int num) {
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for (int j = 2; j < num; j++) {
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if (num % j == 0)
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return 1;
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}
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return 0;
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}
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