摘要:
#include #include #include //debug心累- - using namespace std; int n; char s[maxn]; int a[maxn][maxn]; int main(){ scanf("%d\n",&n); while(n--){ gets(s); int l=strlen(s); ... 阅读全文
摘要:
// A solution can be found by solving a linear system over 𝔽₂, the field of two elements. I'll explain briefly how this is done. // // Suppose first 阅读全文