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#include <cstdio> #include <iostream> #include <cstring> #include <cmath> #include <algorithm> using namespace std; //通过看图可知，图示对称的，而且在对角线一侧，是斜率小于一的，每次看看有多少斜率小于一的，乘二，然后，斜...

#include <iostream> #include <cstdio> #include <cstring> #include <string> #include <map> #include <set> using namespace std; const int maxn = 100000 + 10; int u[...

#include <iostream> #include <stdio.h> #include <string.h> #include <stdlib.h> #define ull unsigned long long using namespace std; ull deal(ull a) {     if(a == 2)return 1; ...

#include <iostream> #include <stdio.h> #include <string.h> #include <stdlib.h> #define ull unsigned long long using namespace std; const int INF=1000000; int a[1009]; int d[1...

#include <iostream> #include <set> #include<cstdio> #include<algorithm> const int maxn=100000+10; struct P {     int start,endness;     bool operator<(const P&s)     { ...

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536K Problem Description Alice, a student of grade 6, is thinking about an Olympian Math problem, but she feels so despair that she cries. And h...