.习题解答3.设n为正整数, 分析下列各程序段中加下划线的语句的执行次数。(1)for (int i = 1; i = n; i+) for (int j = 1; j = n; j+) cij = 0.0; for (int k = 1; k = n; k+) cij = cij + aik * bkj; (2)x = 0; y = 0; for (int i = 1; i = n; i+) for (int j = 1; j = i; j+) for (int k = 1; k = j; k+) x = x + y;(3)int i = 1, j = 1; while (i=n & j=n) i = i + 1; j = j + i; (4)*int i =1; do
