Submission #48822

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
48822	2018-05-19 07:55:30	leehosu01	동전 게임 (KOI15_coin)	C++17	49 / 100	1084 ms	1396 KiB

coin

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#include<bits/stdc++.h>
using namespace std;
int K,T;
bool AB[1001][1001];
void ABK(int A,int B,int K)
{
    if(A+K<B||B+K<A||K==0){if(!(A+K+1<B||B+K+2<A))AB[A][B]=1;return;}
    ABK(A+1,B,K-1);
    ABK(A+1,B+1,K-1);
    ABK(A,B+1,K-1);
    ABK(A,B,K-1);
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>K>>T;
    ABK(0,0,K);
    for(;T--;)
    {
        int A,B;
        cin>>A>>B;
        printf("%d\n",AB[A][B]);
    }
}
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 19 / 19
• Subtask 3: 21 / 21
• Subtask 4: 0 / 51