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标题: 这个错误怎么改呀 [打印本页]
作者: 我為ぷぃ情醉    时间: 2009-11-4 01:28
标题: 这个错误怎么改呀
#include<iostream>
#include<fstream>
void test1(const char an1[],bool&bo);
void test2(const char an1[],bool&bo);
void outscore(char an[],char an1[],bool bo);
using namespace std;
int main()
{
ifstream indata;
ofstream outdata;
indata.open("exams.txt");
outdata.open("scores.txt");

while(indata)
{
bool bo1=true;
char*id;
char answer[22];
indata.getline(answer,22,'\n');
indata>>id;
char answer1[30];
indata.getline(answer,30,'\n');
test1(answer1,bo1);
test2(answer1,bo1);
outscore(answer,answer1,bo1);
outdata<<endl;
}
return 0;
}
void test1(const char an1[],bool&bo)
{
int i,count=0;
for(i=0;i<30;i++)
while(an1[i]!='\0')
count++;
if(count<20)
{
outdata<<"Too few answers ";
bo=false;
}
if(count>20)
{
outdata<<"Too many answers ";
bo=false;
}
}
void test2(const char an1[],bool&bo)
{
int i;
for(i=0;i<30;i++)
while(an1[i]!='\0')
while(!(an1[i]>=97&&an1[i]))
{
outdata<<"Invalid answers ";
bo=false;
}
}
void outscore(char an[],char an1[],bool bo)
{
int i,count;
if(bo)
{
for(i=0;i<20;i++)
{
if(an1[i]=an[i])
count++;
}
outdata<<count;
}
}
编译时出错 怎么也想不痛,各位大虾多多指点
--------------------Configuration: chapter7 - Win32 Debug--------------------
Compiling...
c.cpp
E:\temp\chapter7\c.cpp(41) : error C2065: 'outdata' : undeclared identifier
E:\temp\chapter7\c.cpp(41) : error C2297: '<<' : illegal, right operand has type 'char [18]'
E:\temp\chapter7\c.cpp(46) : error C2297: '<<' : illegal, right operand has type 'char [18]'
E:\temp\chapter7\c.cpp(57) : error C2297: '<<' : illegal, right operand has type 'char [18]'
E:\temp\chapter7\c.cpp(71) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
Error executing cl.exe.
chapter7.exe - 4 error(s), 1 warning(s)
作者: 勇敢的心    时间: 2009-11-4 01:28
  1. #include<iostream>
  2. #include<fstream>
  3. using namespace std;

  5. void test1(const char an1[], bool & bo, ofstream & outdata);
  6. void test2(const char an1[],bool & bo, ofstream & outdata);
  7. void outscore(char an[],char an1[],bool bo, ofstream & outdata);

  9. int main()
  10. {
  11. ifstream indata;
  12. ofstream outdata;

  14. indata.open("exams.txt");
  15. outdata.open("scores.txt");

  17. while(indata)
  18. {
  19. bool bo1=true;
  20. char id[20]; // Caution
  21. char answer[22];
  22. indata.getline(answer,22,'\n');
  23. indata>>id;
  24. char answer1[30];
  25. indata.getline(answer,30,'\n');
  26. test1(answer1,bo1, outdata); // Caution
  27. test2(answer1,bo1, outdata); // Caution
  28. outscore(answer,answer1,bo1, outdata); // Caution
  29. outdata<<endl;
  30. }
  31. return 0;
  32. }

  34. void test1(const char an1[], bool & bo, ofstream & outdata)
  35. {
  36. int i,count=0;
  37. for(i=0;i<30;i++)
  38. while(an1[i]!='\0')
  39. count++;
  40. if(count<20)
  41. {
  42. outdata<<"Too few answers ";
  43. bo=false;
  44. }

  46. if(count>20)
  47. {
  48. outdata<<"Too many answers ";
  49. bo=false;
  50. }
  51. }

  53. void test2(const char an1[],bool & bo, ofstream & outdata)
  54. {
  55. int i;
  56. for(i=0;i<30;i++)
  57. while(an1[i]!='\0')
  58. while(!(an1[i]>=97&&an1[i]))
  59. {
  60. outdata<<"Invalid answers ";
  61. bo=false;
  62. }
  63. }

  65. void outscore(char an[],char an1[],bool bo, ofstream & outdata)
  66. {
  67. int i,count;
  68. if(bo)
  69. {
  70. for(i=0;i<20;i++)
  71. {
  72. if(an1[i]==an[i]) // Caution
  73. count++;
  74. }
  75. outdata<<count;
  76. }
  77. }

复制代码
作者: 太阳神    时间: 2009-11-4 01:28
谢谢了



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