emmmm,这四行加上去不要太爽@。@!不过有时会出错。
1 #pragma comment(linker, "/stack:200000000") 2 #pragma GCC optimize("Ofast,no-stack-protector") 3 #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") 4 #pragma GCC optimize("unroll-loops")