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全国计算机等级考试四级上机编程题型二

发布时间:2006-06-27 02:34     点击:
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 return ;

 }

 CalValue() ;

 printf("文件IN.DAT中共有正整数=%d个\n", totNum) ;

 printf("符合条件的正整数的个数=%d个\n", totCnt) ;

 printf("平均值=%.2lf\n", totPjz) ;

 WriteDat() ;

}

int ReadDat(void)

{

 FILE *fp ;

 int i = 0 ;

 if((fp = fopen("in.dat", "r")) == NULL) return 1 ;

 while(!feof(fp)) {

 fscanf(fp, "%d,", &xx[i++]) ;

 }

 fclose(fp) ;

 return 0 ;

}

void WriteDat(void)

{

 FILE *fp ;



 fp = fopen("OUT7.DAT", "w") ;

 fprintf(fp, "%d\n%d\n%.2lf\n", totNum, totCnt, totPjz) ;

 fclose(fp) ;

}

===============================================================================

所需数据 :

===============================================================================

@2 IN.DAT 016

6045,6192,1885,3580,8544,6826,5493,8415,3132,5841,

6561,3173,9157,2895,2851,6082,5510,9610,5398,5273,

3438,1800,6364,6892,9591,3120,8813,2106,5505,1085,

5835,7295,6131,9405,6756,2413,6274,9262,5728,2650,

6266,5285,7703,1353,1510,2350,4325,4392,7573,8204,

7358,6365,3135,9903,3055,3219,3955,7313,6206,1631,

5869,5893,4569,1251,2542,5740,2073,9805,1189,7550,

4362,6214,5680,8753,8443,3636,4495,9643,3782,5556,

1018,9729,8588,2797,4321,4714,9658,8997,2080,5912,

9968,5558,9311,7047,6138,7618,5448,1466,7075,2166,

4025,3572,9605,1291,6027,2358,1911,2747,7068,1716,

9661,5849,3210,2554,8604,8010,7947,3685,2945,4224,

7014,9058,6259,9503,1615,1060,7787,8983,3822,2471,
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