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2207/天天乐学答案/合卷-2.md
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2207/天天乐学答案/合卷-2.md
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### C语言-1
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```c
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/*---------------------------------------------------------
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【程序设计】程序将由数字字符组成的字符串转换为10进制实数,
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例如将"123.4567"转换为123.45670。
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输出如下:
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123.45670
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0.12345
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4567.00000
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------------------------------------------------------------------------
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注意:部分源程序给出如下。请勿改动主函数main或其它函数中给出的内容,仅在
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Program-End之间填入若干语句。不要删除标志否则不得分。
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---------------------------------------------------------*/
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#include<stdio.h>
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#include<ctype.h>
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double conver(char s[]){
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int I,i,poi;
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double F,p;
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F=I=i=poi=0;
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p=0.1;
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/**********Program**********/
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while(s[i] != '.'){
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I*=10;
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I+=s[i]-48;
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i++;
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}
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i++;
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while(s[i] != '\0'){
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F+=(s[i]-48)*p;
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p*=0.1;
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i++;
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}
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/********** End **********/
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return I+F;
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}
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int main()
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{
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char d[3][15]={"123.4567","0.12345","4567.0"};
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int i;
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for(i=0;i<3;i++)
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printf("%12.5f\n",conver(d[i]));
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return 0;
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}
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```
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### C语言-2
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```c
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```
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