Submission #1494

#	Time	Username	Problem	Language	Result	Execution time	Memory
1494		tncks0121	생일수 II (GA4_birthday2)	C++98	10 / 100	1000 ms	884 KiB

birthday2

#include <stdio.h>

long long x, y;
long long ret;

int main() {
  scanf("%lld%lld", &x, &y);
  long long last = x, i, j, n;
  for(i = x+1; i <= y; i++) {
    for(n = i; n > 0; n /= 10) {
      if(n % 10 != 3 && n % 10 != 5 && n % 10 != 8) break;
    }
    if(n > 0) continue;
    ret = (ret + last * i) % 19980305;
    last = i;
  }
  
  printf("%lld\n", ret);
  return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 25
• Subtask 5: 0 / 30