17 lines
217 B
C
17 lines
217 B
C
#include<stdio.h>
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int isprime(int n){
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int i;
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for(i=2;i<=n/2;i++){
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if(n%i==0) return 0;
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}
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return 1;
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}
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int main(){
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int n;
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scanf("%d", &n);
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printf("%d", isprime(n));
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return 0;
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}
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