[计算机类试卷]计算机三级数据库技术(上机操作)机试模拟试卷32及答案与解析.doc

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计算机三级数据库技术(上机操作)机试模拟试卷 32及答案与解析 一、程序设计题 1 在数据文件 in dat中存有若干个 (个数 #define MAXNUM 200 int xxMAXNUM; int totNum=0; *文件 IN DAT中共有多少个正整数 * int totCnt=0; *符合条件的正整数的个数 * double totPjz=0 0, *平均值 * int ReadDat(void); void WriteDat(void); void CalValue(void) void main() int i; for(i=0; i0) totNum+; a1=xxi 10; *数位分解 * a2=xxi 100 10; a3=xxi 1000 100; a4=xxi 1000; if(a1+a2+a3+a4) 2=0) totCnt+; tot Pjz+=xxCi; totPjz =totCnt; *求平均值 *

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