답안 #77211

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
77211	2018-09-24T01:52:09 Z	Dat160601	Palindrome-Free Numbers (BOI13_numbers)	C++17	73.75 / 100	23 ms	704 KB

numbers

#include <bits/stdc++.h>
using namespace std;
long long a,b;
long long len_a=0,len_b=0;
long long digit_a[20],digit_b[20];
long long dp[20][2][2][11][11];
long long go(int id,int l,int r,int prv,int pv){
	if(id==0) return 1LL;
	if(dp[id][l][r][prv][pv]!=-1) return dp[id][l][r][prv][pv];
	long long ret=0;
	for(int i=0;i<=9;i++){
		if(l==1 && i<digit_a[id]) continue;
		if(r==1 && i>digit_b[id]) continue;
		if(i==prv || i==pv) continue;
		ret+=go(id-1,(l==1 && i==digit_a[id])?1:0,(r==1 && i==digit_b[id])?1:0,pv,i);
	}
	dp[id][l][r][prv][pv]=ret;
	return ret;
}
int main(){
	scanf("%lld %lld",&a,&b);
	long long x=a;
	while(x>0){
		digit_a[++len_a]=x%10;
		x/=10;
	}
	x=b;
	while(x>0){
		digit_b[++len_b]=x%10;
		x/=10;
	}
	memset(dp,-1,sizeof(dp));
	long long ans=0;
	for(int i=len_b;i>=len_a;i--) ans+=go(i,1,1,10,10);
	printf("%lld",ans);
}

Compilation message

numbers.cpp: In function 'int main()':
numbers.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&a,&b);
  ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1

13.75 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	2 ms	376 KB	Output isn't correct
2	Incorrect	2 ms	500 KB	Output isn't correct
3	Correct	2 ms	500 KB	Output is correct
4	Incorrect	2 ms	596 KB	Output isn't correct
5	Correct	2 ms	596 KB	Output is correct
6	Incorrect	2 ms	596 KB	Output isn't correct
7	Incorrect	2 ms	596 KB	Output isn't correct
8	Incorrect	2 ms	596 KB	Output isn't correct
9	Correct	3 ms	596 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	620 KB	Output is correct
12	Correct	2 ms	620 KB	Output is correct
13	Correct	2 ms	620 KB	Output is correct
14	Incorrect	2 ms	620 KB	Output isn't correct
15	Incorrect	2 ms	620 KB	Output isn't correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	2 ms	636 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Incorrect	2 ms	640 KB	Output isn't correct

Subtask #2

60.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	640 KB	Output is correct
2	Correct	2 ms	640 KB	Output is correct
3	Correct	2 ms	640 KB	Output is correct
4	Correct	23 ms	640 KB	Output is correct
5	Incorrect	2 ms	640 KB	Output isn't correct
6	Correct	2 ms	640 KB	Output is correct
7	Incorrect	2 ms	640 KB	Output isn't correct
8	Incorrect	2 ms	640 KB	Output isn't correct
9	Incorrect	2 ms	640 KB	Output isn't correct
10	Incorrect	2 ms	640 KB	Output isn't correct
11	Correct	2 ms	640 KB	Output is correct
12	Incorrect	2 ms	640 KB	Output isn't correct
13	Incorrect	2 ms	640 KB	Output isn't correct
14	Incorrect	2 ms	640 KB	Output isn't correct
15	Incorrect	2 ms	640 KB	Output isn't correct
16	Correct	2 ms	640 KB	Output is correct
17	Correct	2 ms	640 KB	Output is correct
18	Correct	2 ms	640 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	640 KB	Output is correct
21	Correct	2 ms	640 KB	Output is correct
22	Correct	2 ms	704 KB	Output is correct
23	Correct	2 ms	704 KB	Output is correct
24	Correct	2 ms	704 KB	Output is correct
25	Correct	3 ms	704 KB	Output is correct
26	Correct	2 ms	704 KB	Output is correct
27	Correct	2 ms	704 KB	Output is correct
28	Correct	2 ms	704 KB	Output is correct
29	Correct	2 ms	704 KB	Output is correct
30	Correct	2 ms	704 KB	Output is correct
31	Correct	2 ms	704 KB	Output is correct
32	Correct	2 ms	704 KB	Output is correct
33	Correct	2 ms	704 KB	Output is correct
34	Correct	2 ms	704 KB	Output is correct
35	Correct	2 ms	704 KB	Output is correct
36	Correct	2 ms	704 KB	Output is correct
37	Correct	2 ms	704 KB	Output is correct
38	Correct	2 ms	704 KB	Output is correct
39	Correct	2 ms	704 KB	Output is correct
40	Correct	2 ms	704 KB	Output is correct
41	Correct	2 ms	704 KB	Output is correct
42	Correct	2 ms	704 KB	Output is correct
43	Correct	2 ms	704 KB	Output is correct
44	Correct	2 ms	704 KB	Output is correct
45	Correct	2 ms	704 KB	Output is correct