제출 #1493

#제출 시각아이디문제언어결과실행 시간메모리
1493tncks0121생일수 II (GA4_birthday2)C++98
10 / 100
345 ms1320 KiB
#include <stdio.h>

int x, y;
long long ret;

int main() {
  scanf("%d%d", &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;
}
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