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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.   int m, n;
  5.   scanf("%d\n%d", &m, &n);
  6.   int sum, count, min;
  7.   min = 10000;
  8.   for(int i=m; i<=n; i++) {
  9.      if(i==1) {
  10.           continue;
  11.       }
  12.     int exit = 0;
  13.      for(int k=i; k>i; k--) {
  14.       if(i%k==0) {
  15.         exit = 1;
  16.         break;
  17.       }
  18.     }
  19.     if(exit==1) {
  20.       continue;
  21.     } else {
  22.       sum += i;
  23.       if(i<min) {
  24.         min=i;
  25.       }
  26.     }
  27.   }
  28.     if(sum==0) {
  29.         printf("%d\n", -1);
  30.     } else {
  31.         printf("%d\n%d\n", sum, min);
  32.     }
  33.   return 0;
  34. }
  35.  
  36.  
Success #stdin #stdout 0s 5640KB
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stdout
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https://ideone.com/pOu97d
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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