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  1. #include<stdio.h>
  2. #define ll long long 
  3. #include<math.h>
  4. int snt(int n){
  5.     if(n<2){
  6.         return 0;
  7.     }
  8.     for(int i = 2; i <= sqrt(n); i++){
  9.         if(n % i == 0){
  10.             return 0;
  11.         }
  12.     }
  13.     return 1;
  14. }
  15. int main(){
  16.     int a[100000];
  17.     int n = 0;
  18.     int tmp ;
  19.     while(scanf("%d", &tmp) != -1){
  20.         a[n] = tmp;
  21.         ++n;
  22.     }
  23.     for(int i = 0; i < n; i++){
  24.         int check = 1;
  25.         for(int j = 0; j < i ;j++){
  26.                 if(a[i] == a[j]){
  27.                     check = 0;
  28.                     break;
  29.                 }
  30.         }
  31.         if(check){
  32.             if(snt(a[i])){
  33.                 int cnt = 1;
  34.                 for(int j = i + 1; j < n; j++){
  35.                     if(a[i] == a[j]){
  36.                         ++cnt;
  37.                     }
  38.                 }
  39.                 printf("%d %d\n", a[i], cnt);
  40.             }
  41.         }
  42.     }
  43.     return 0;
  44. }
Success #stdin #stdout 0s 5276KB
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https://ideone.com/Rd1OX6
bai12_demtansonguyento
language:
C (gcc 8.3)
created:
17 days ago
visibility:
public

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