#include <iostream> #include <vector> using namespace std; void dp(int l,int n,long long sum,vector<vector<int>> &rec, vector<long long> &res) { long long record=sum; for(int i=l;i<=n;i++) { for(int j=i+1;j<=n;j++) { sum=record; if(rec[i][j]==1) { sum+=...