tp1 exo8
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36
tp1/exo8.c
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36
tp1/exo8.c
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#include <stdio.h>
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#include <stdlib.h>
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int is_prime(uint a) {
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uint i = 2;
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while (i * i <= a) {
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if (a % i == 0) {
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return 0;
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}
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i++;
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}
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return 1;
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}
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int f(int a) { return is_prime(abs(a)); }
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int main() {
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int a = 1103;
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int b = 21;
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int c = -23;
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if (f(a)) {
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printf("%d est premier\n", a);
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} else {
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printf("%d n'est pas premier\n", a);
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}
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if (f(b)) {
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printf("%d est premier\n", b);
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} else {
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printf("%d n'est pas premier\n", b);
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}
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if (f(c)) {
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printf("%d est premier\n", c);
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} else {
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printf("%d n'est pas premier\n", c);
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}
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}
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