编译优化

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")