- 2024-05-30科学与社会研讨课部分代码保存——修改操作拓展
#include<bits/stdc++.h>usingnamespacestd;typedeflonglongll;typedefunsignedlonglongull;#define_for(i,a,b)for(registerint(i)=(a);(i)<=(b);(i)++)#defineFor(i,a,b)for(registerint(i)=(a);(i)>=(b);(i)--)#defineINF0x7fffffff
- 2024-05-30科学与社会研讨课部分代码保存——树上操作拓展
#include<bits/stdc++.h>usingnamespacestd;typedeflonglongll;typedefunsignedlonglongull;#define_for(i,a,b)for(registerint(i)=(a);(i)<=(b);(i)++)#defineFor(i,a,b)for(registerint(i)=(a);(i)>=(b);(i)--)#defineINF0x7fffffff