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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. struct FastRead {
  5.     char *buff, *ptr;
  6.     FastRead(int size) {
  7.         buff = new char[size];
  8.         ptr = buff;
  9.         fread(buff, size, 1, stdin);
  10.     }
  11.     ~FastRead() {
  12.         delete[] buff;
  13.     }
  14.     inline unsigned long long int nextInt() {
  15.         unsigned long long int ret = 0;
  16.         while(*ptr < '0' || *ptr > '9') ptr++;
  17.         do { ret = (ret<<1)+ (ret<<3) + *ptr++ - '0';
  18.         } while(*ptr >= '0' && *ptr <= '9');
  19.         return ret;
  20.     }
  21. };
  22. template <class T> inline void write(T x)
  23. {
  24.     int i = 20;
  25.     char buf[21];
  26.     // buf[10] = 0;
  27.     buf[20] = '\n';
  28.  
  29.     do
  30.     {
  31.         buf[--i] = x % 10 + '0';
  32.         x/= 10;
  33.     }while(x);
  34.     do
  35.     {
  36.         putchar(buf[i]);
  37.     } while (buf[i++] != '\n');
  38. }
  39. int main()
  40. {
  41.     FastRead r(4194304);
  42.  
  43.     int n=r.nextInt();
  44.     int d=r.nextInt();
  45.     long int temp;
  46.     int count=0;
  47.     for(int i=0;i<n;i++)
  48.     {   temp=r.nextInt();
  49.         if(temp%d==0)
  50.             ++count;
  51.     }
  52.     write<int>(count);
  53.     return 0;
  54. }
  55.  
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
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7 3
1
51
966369
7
9
999996
11
stdout
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4
https://ideone.com/Lb4YIl
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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