摘要： A team of researchers from MIT, Caltech, Harvard, and other universities in Europe, have devised a way of boosting the performance of wireless networks by up to 10 times — without increasing transmission power, adding more base stations, or using more wireless spectrum. This is expected to have huge 阅读全文

摘要： /* ID:chenjiong PROG:frac1 LANG:C++*/#include <stdio.h>#include <string.h>const int MAXN = 160;typedef struct { int x; int y;}FRAC;int N;FRAC table[MAXN * MAXN / 2];int cnt;int gcd(int a,int b){ // a >= b if ( b == 0 ) return a; else return gcd(b,a % b);}void ge... 阅读全文