摘要:
private boolean[][] r = new boolean[9][9]; private boolean[][] c = new boolean[9][9]; private boolean[][][] x = new boolean[3][3][9]; private boolean 阅读全文
摘要:
#include<iostream> #include<vector> #include<algorithm> using namespace std; const int maxn = 1010; int solve(int arr[]) { int l, r, k; cin >> l >> r 阅读全文