手動開啓O2、O3優化,實測有效!
#pragma GCC optimize(2)
#pragma GCC optimize(3,"Ofast","inline")
關閉同步,加快IO效率
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
/* your code */
return 0;
}
(水一發,便於查找)
#pragma GCC optimize(2)
#pragma GCC optimize(3,"Ofast","inline")
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
/* your code */
return 0;
}
(水一發,便於查找)