“输入格式”中的
数据保证 1<aj≤bj≤N,0<cj≤1091<a_j\leq b_j\leq N, 0 < c_j\leq 10^91<aj≤bj≤N,0<cj≤109
是否应是
数据保证 1≤aj<bj≤N,0<cj≤1091\leq a_j<b_j\leq N, 0 < c_j\leq 10^91≤aj<bj≤N,0<cj≤109
