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  1. #include <iostream>
  2. using namespace std;
  3. #include <stdio.h>
  4.  
  5. #define MAX_NUMBERS 100
  6.  
  7. int is_prime(int num) {
  8.     int i;
  9.     for (i = 2; i < num; i++) {
  10.         if (num % i == 0) {
  11.             return 0;
  12.         }
  13.     }
  14.     return 1;
  15. }
  16.  
  17. int main() {
  18.     int numbers[MAX_NUMBERS];
  19.     int size = MAX_NUMBERS;
  20.     int sum = 0;
  21.  
  22.     printf("Enter %d numbers:\n", size);
  23.     for (int i = 0; i < size; i++) {
  24.         scanf("%d", &numbers[i]);
  25.     }
  26.  
  27.     for (int i = 0; i < size; i++) {
  28.         if (is_prime(numbers[i])) {
  29.             sum += numbers[i];
  30.         }
  31.     }
  32.  
  33.     printf("The sum of prime numbers: %d\n", sum);
  34.  
  35.     return 0;
  36. }
Success #stdin #stdout 0s 5296KB
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stdin
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Standard input is empty
stdout
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Enter 100 numbers:
The sum of prime numbers: 1353223672
https://ideone.com/gmhJkg
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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