手动开一些东西

-Wl,–stack=size

#pragma comment(linker,"/STACK:1024000000,1024000000")
#pragma GCC optimize(2)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

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