摘要:
高斯消元模板 要求输出解的情况(无穷解/无解) 1. 之前写的丑陋代码 ~~~ include include include include using namespace std; const double eps=1e 7; const int maxn=1000; int n;//n个变量 阅读全文
摘要:
$ c_x y_{i_1} + (i_1 x) y_{i_1} s include include using namespace std; typedef long long LL; int n,s; LL ans,now=0x3f3f3f3f3f3f3f3f; int main(){ scanf 阅读全文