int timeTable[100][2]; int i = 0, count = 0; char c;//c是一个',' for (int i = 0; i < 100; i++) { cin >> timeTable[i][0] >> c >> timeTable[i][1]; if (timeTable[i][0] == -1 || timeTable[i][1] == -1) break; count++; } 我想要输入多行数据,但是运行结果只能输入一行数据,求大神解答!!!