Submission #518186


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long

string S;
int memo[20][2];

int calc(int keta,int jiyuu){
    if(S.size()==keta){
        return 1;
    }

    if(~memo[keta][jiyuu])return memo[keta][jiyuu];
    int ret=0;

    for(int i=0;i<10;i++){
        if(i==4||i==9||(!jiyuu&&S[keta]-'0'<i))continue;
        ret+=calc(keta+1,jiyuu|(S[keta]-'0'!=i));
    }
    return memo[keta][jiyuu]=ret;
}

signed main(){
    int A,B;cin>>A>>B;
    stringstream ss;ss<<B;ss>>S;
    fill_n(*memo,40,-1);
    int b=B+1-calc(0,0);

    ss.clear();
    ss<<A;ss>>S;
    fill_n(*memo,40,-1);
    int a=A+1-calc(0,0);

    for(int i=0;i<S.size();i++)if(S[i]=='4'||S[i]=='9'){
        a--;
        break;
    }

    cout<<b-a<<endl;
    return 0;
}

Submission Info

Submission Time
Task D - 禁止された数字
User latte0119
Language C++ (G++ 4.6.4)
Score 100
Code Size 796 Byte
Status AC
Exec Time 30 ms
Memory 940 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 30 / 30 70 / 70
Status
AC × 4
AC × 16
AC × 39
Set Name Test Cases
Sample subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask0_sample04.txt
Subtask1 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt
Subtask2 subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask0_sample04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt, subtask2_21.txt, subtask2_22.txt
Case Name Status Exec Time Memory
subtask0_sample01.txt AC 26 ms 920 KB
subtask0_sample02.txt AC 27 ms 924 KB
subtask0_sample03.txt AC 24 ms 860 KB
subtask0_sample04.txt AC 26 ms 928 KB
subtask1_01.txt AC 28 ms 928 KB
subtask1_02.txt AC 25 ms 928 KB
subtask1_03.txt AC 26 ms 920 KB
subtask1_04.txt AC 26 ms 936 KB
subtask1_05.txt AC 25 ms 924 KB
subtask1_06.txt AC 28 ms 932 KB
subtask1_07.txt AC 26 ms 920 KB
subtask1_08.txt AC 26 ms 860 KB
subtask1_09.txt AC 25 ms 928 KB
subtask1_10.txt AC 27 ms 940 KB
subtask1_11.txt AC 27 ms 932 KB
subtask1_12.txt AC 27 ms 928 KB
subtask1_13.txt AC 27 ms 936 KB
subtask2_01.txt AC 27 ms 928 KB
subtask2_02.txt AC 30 ms 864 KB
subtask2_03.txt AC 26 ms 920 KB
subtask2_04.txt AC 25 ms 912 KB
subtask2_05.txt AC 26 ms 916 KB
subtask2_06.txt AC 27 ms 864 KB
subtask2_07.txt AC 26 ms 924 KB
subtask2_08.txt AC 26 ms 924 KB
subtask2_09.txt AC 24 ms 920 KB
subtask2_10.txt AC 26 ms 928 KB
subtask2_11.txt AC 26 ms 916 KB
subtask2_12.txt AC 26 ms 924 KB
subtask2_13.txt AC 26 ms 920 KB
subtask2_14.txt AC 25 ms 924 KB
subtask2_15.txt AC 26 ms 924 KB
subtask2_16.txt AC 26 ms 924 KB
subtask2_17.txt AC 26 ms 924 KB
subtask2_18.txt AC 29 ms 920 KB
subtask2_19.txt AC 25 ms 920 KB
subtask2_20.txt AC 26 ms 916 KB
subtask2_21.txt AC 27 ms 860 KB
subtask2_22.txt AC 26 ms 924 KB