leekerian的博客

#include<cstdio> #include<algorithm> #include<cstring> #include<cmath> using namespace std; #define LL unsigned long long #define INF 0x3f3f3f3f #define MAXN 1005 int p[]={2,3...

#include <iostream> #include <cstdio> using namespace std; #define ll unsigned long long #define INF 0x3f3f3f3f3f3f3f3f ll n; ll ans; ll ans1; int p[16] = {2,3,5,7,11,13,17,19,23,29,31...

注意a==b的情况！ #include <iostream> #include <cstdio> using namespace std; #define ll unsigned long long #define INF 0x3f3f3f3f3f3f3f3f int a,b; int p[16] = {2,3,5,7,11,13,17,19,23,29,31,37...