摘要:
"Luogu P3803 【模板】多项式乘法(FFT)" FFT include include using namespace std; const int MAXN=5e6+5; const int mo=998244353; const int g=3; int n,m,limit,len,i 阅读全文
摘要:
3721 Building Roads Time Limit:16000/8000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Description There is a magic planet in the space. 阅读全文