计算机软件技术基础习题一解答.docx

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;dofor (int j = 1; j = n; j+) i = i + j;while(i100 + n);【解答】