27 lines
451 B
C
27 lines
451 B
C
#include <stdio.h>
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int main() {
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int N, count=0;
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int arr[100];
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scanf("%d",&N);
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for(int i=0; i<N; i++){
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scanf("%d",&arr[i]);
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}
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for(int i=0; i<N; i++){
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if(arr[i]==1){
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count++;
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continue;
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}
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for(int j=2; j*j<=arr[i]; j++){
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if(arr[i]%j==0){
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count++;
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break;
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}
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}
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}
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printf("%d",N - count);
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return 0;
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} |