#include<iostream> #include<vector> #include<algorithm> #include<cmath> using namespace std; #define pai 3.1415928 struct zx { string id; string name; int score; }; bool l1(zx x,zx y) { return x.id<y.id; } bool l2(zx x,zx y) { if(x.name==y.name) return x.id<y.id; else r...