Title, as shown on the left side of the code is written by myself, error rate by 83%, then the code on the right is my reference other bosses code changes, after two code only green box is not the same,,,, I really want to know where is wrong, my own code, test several times didn't find his mistakes,,

CodePudding user response:

 
# include & lt; Cstdio> 
# include & lt; Cmath> 
# include & lt; Algorithm> 
using namespace std; 
Const int maxn=610; 
Double r [610]; 
Bool CMP (double x, double y) 
{
Return x> y; 
} 
Double count (double) p 
{
Double t; 
T=2 * SQRT (p * p - 1 * 1); 
return t; 
} 
Int main () 
{
Int m, n, I, c; 
Double len. 
The scanf (" % d ", & amp; M); 
While (m -) 
{
The scanf (" % d ", & amp; n); 
for(i=0; ILf the scanf (" % ", & amp; R ); 
Sort (r, r + n, CMP); 
Len=0; 
c=0; 
for(i=0; I{
Len +=count (r [I]); 
C + +; 
If (len>=20) break; 
} 
Printf (" % d \ n ", c); 
} 
return 0; 
} 

[I] this is