摘要： 1 # include <iostream> 2 # include <cstdio> 3 using namespace std; 4 int main() 5 { 6 int n, i, j, k; 7 int edge[21][191]; 8 for (i=1; i<21; ++i) 9 {10 for (j=0; j<=190; ++j)11 {12 if (j == 0)13 edge[i][j] = 1;14 else15 ... 阅读全文