overload1997

EXTENDED LIGHTS OUTTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 9270 Accepted: 6019DescriptionIn an extended version of the game Lights Out, is a puz

#includeusing namespace std;#define eps 1e-9const int MAXN=220;const int N=3;double a[MAXN][MAXN],x[MAXN];//方程的左边的矩阵和等式右边的值，求解之后x存的就是结果int equ,var;//方程数和未知数个数/**返回0表示无解，1表示有解*/int Gauss()//高