#pragma gcc被禁用了？

证据：

/tmp/tmpbuq8lr1t/src:2:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fdelete-null-pointer-checks")
         ^~~
/tmp/tmpbuq8lr1t/src:3:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("inline-functions-called-once")
         ^~~
/tmp/tmpbuq8lr1t/src:4:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-funsafe-loop-optimizations")
         ^~~
/tmp/tmpbuq8lr1t/src:5:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fexpensive-optimizations")
         ^~~
/tmp/tmpbuq8lr1t/src:6:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-foptimize-sibling-calls")
         ^~~
/tmp/tmpbuq8lr1t/src:7:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-ftree-switch-conversion")
         ^~~
/tmp/tmpbuq8lr1t/src:8:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-finline-small-functions")
         ^~~
/tmp/tmpbuq8lr1t/src:9:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("inline-small-functions")
         ^~~
/tmp/tmpbuq8lr1t/src:10:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-frerun-cse-after-loop")
         ^~~
/tmp/tmpbuq8lr1t/src:11:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fhoist-adjacent-loads")
         ^~~
/tmp/tmpbuq8lr1t/src:12:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-findirect-inlining")
         ^~~
/tmp/tmpbuq8lr1t/src:13:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-freorder-functions")
         ^~~
/tmp/tmpbuq8lr1t/src:14:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("no-stack-protector")
         ^~~
/tmp/tmpbuq8lr1t/src:15:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fpartial-inlining")
         ^~~
/tmp/tmpbuq8lr1t/src:16:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fsched-interblock")
         ^~~
/tmp/tmpbuq8lr1t/src:17:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fcse-follow-jumps")
         ^~~
/tmp/tmpbuq8lr1t/src:18:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fcse-skip-blocks")
         ^~~
/tmp/tmpbuq8lr1t/src:19:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-falign-functions")
         ^~~
/tmp/tmpbuq8lr1t/src:20:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fstrict-overflow")
         ^~~
/tmp/tmpbuq8lr1t/src:21:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fstrict-aliasing")
         ^~~
/tmp/tmpbuq8lr1t/src:22:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fschedule-insns2")
         ^~~
/tmp/tmpbuq8lr1t/src:23:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-ftree-tail-merge")
         ^~~
/tmp/tmpbuq8lr1t/src:24:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("inline-functions")
         ^~~
/tmp/tmpbuq8lr1t/src:25:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fschedule-insns")
         ^~~
/tmp/tmpbuq8lr1t/src:26:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-freorder-blocks")
         ^~~
/tmp/tmpbuq8lr1t/src:27:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fwhole-program")
         ^~~
/tmp/tmpbuq8lr1t/src:28:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-funroll-loops")
         ^~~
/tmp/tmpbuq8lr1t/src:29:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fthread-jumps")
         ^~~
/tmp/tmpbuq8lr1t/src:30:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fcrossjumping")
         ^~~
/tmp/tmpbuq8lr1t/src:31:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fcaller-saves")
         ^~~
/tmp/tmpbuq8lr1t/src:32:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fdevirtualize")
         ^~~
/tmp/tmpbuq8lr1t/src:33:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-falign-labels")
         ^~~
/tmp/tmpbuq8lr1t/src:34:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-falign-loops")
         ^~~
/tmp/tmpbuq8lr1t/src:35:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-falign-jumps")
         ^~~
/tmp/tmpbuq8lr1t/src:36:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("unroll-loops")
         ^~~
/tmp/tmpbuq8lr1t/src:37:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fsched-spec")
         ^~~
/tmp/tmpbuq8lr1t/src:38:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-ffast-math")
         ^~~
/tmp/tmpbuq8lr1t/src:39:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fpeephole2")
         ^~~
/tmp/tmpbuq8lr1t/src:40:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-ftree-pre")
         ^~~
/tmp/tmpbuq8lr1t/src:41:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-ftree-vrp")
         ^~~
/tmp/tmpbuq8lr1t/src:42:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fgcse-lm")
         ^~~
/tmp/tmpbuq8lr1t/src:43:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fipa-sra")
         ^~~
/tmp/tmpbuq8lr1t/src:44:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("inline")
         ^~~
/tmp/tmpbuq8lr1t/src:45:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("-fgcse")
         ^~~
/tmp/tmpbuq8lr1t/src:46:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize("Ofast")
         ^~~
/tmp/tmpbuq8lr1t/src:47:9: 错误：‘#pragma GCC optimize’ is not allowed in online judge mode
 #pragma GCC optimize(3)
         ^~~