[已解决]练习题

百年孤独i

#include <stdio.h>
#include <math.h>

int main()
{
        float p,r,n;
        r = 0.07;
        n = 10;
        p = pow(1+r,n);
        printf("%p = %f\n",p);
        return 0;
}
CTRL+F5后无error，但是显示的答案有误，怎么解决。应该输出的是p = 1.967151 调试结果显示是B515F7B2 = 0.000000
Press any key to continue
--------------------Configuration: 044 - Win32 Debug--------------------
Compiling...
044.c
E:\c++\Microsoft Visual Studio\MyProjects\044\044.c(7) : warning C4305: '=' : truncation from 'const double ' to 'float '
E:\c++\Microsoft Visual Studio\MyProjects\044\044.c(9) : warning C4244: '=' : conversion from 'double ' to 'float ', possible loss of data

044.obj - 0 error(s), 0 warning(s)

最佳答案

月排行榜 / 总排行榜

baige

2020-8-12 21:23:25

1. #include <stdio.h>
   
2. #include <math.h>
   
3. 
   
4. int main()
   
5. {
   
6.     float p, r, n;
   
7.     r = 0.07;
   
8.     n = 10;
   
9.     p = pow(1 + r, n);
   
10.     printf("p = %f\n", p);
    
11.     return 0;
    
12. }

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跳转到最佳答案楼层

baige

1. printf("p = %f\n", p);

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多了个%号，去掉就好了

baige

1. #include <stdio.h>
   
2. #include <math.h>
   
3. 
   
4. int main()
   
5. {
   
6.     float p, r, n;
   
7.     r = 0.07;
   
8.     n = 10;
   
9.     p = pow(1 + r, n);
   
10.     printf("p = %f\n", p);
    
11.     return 0;
    
12. }

复制代码