foo.cc:2:34: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | __attribute__((optimize("-O3"))) main(){for (;;) puts("傻逼");}
      |                                  ^~~~

正在同步测试数据，请稍后
ENOSPC: no space left on device, write
Error: ENOSPC: no space left on device, write
undefined
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