#include <iostream>
#include <algorithm>
#include <stdio.h>
using namespace std;
int a[4][5]={{1,2,3,4,5},{2,3,4,5,6},{3,4,5,6,7},{4,5,6,7,8}},res=0;
void dfs(int x,int y){
if(x==3 && y==4){
res++;
}
if(x>3 || y>4) return;
dfs(x+1,y);
dfs(x,y+1);
}
int main(){
dfs(0,0);
cout<<res<<endl;
return 0;
}
Processed:
0.012, SQL:
8
