#12869: 為什麼不行
timmy940410
(遊艇)
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
double x;
cin>>x;
cout <<fixed<<setprecision(2)<<x<<endl;
}
這樣寫在DEVC++執行可以
#12872: Re:為什麼不行
sponge
(qd)
#include
#include
using namespace std;
int main(){
double x;
cin>>x;
cout <<fixed<<setprecision(2)<<x<<endl;
}
這樣寫在DEVC++執行可以
| d561. 被秒殺的四捨五入 -- jack1 |
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查看評分詳細結果。hint Complete
Close
 AC (1ms, 702KB) |
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查看程式碼 #364516 d561. 被秒殺的四捨五入 --
jack1
sub ok(byval strx as string)
dim f as string = trim(strx) & "00000"
dim v as integer = instr(f,".")
dim s as string = mid(f,1,v-1)
dim i as integer = val(mid(f,v+1,1))
dim j as integer = val(mid(f,v+2,1))
dim k as integer = val(mid(f,v+3,1))
if k > 4 then j += 1
if j > 9 then
j -= 10
i += 1
end if
if i > 9 then
i -= 10
if instr(s,"-") > 0 then
s = "-1"
else
s = "1"
end if
end if
dim o as string = s & "." & str(i) & str(j)
if o = "-0.00" then o = "0.00"
print o
end sub
dim s as string
open cons for input as #1
do
input #1, s
if trim(s)<>"" then
ok(s)
end if
loop until eof(1)
Close
×
查看程式碼 #364516 d561. 被秒殺的四捨五入 --
jack1
solutioncode Close
| 2009-12-07 14:29 |
basic 也可以耶
#12884: Re:為什麼不行
timmy940410
(遊艇)
#include
#include
using namespace std;
int main(){
double x;
cin>>x;
cout <<setprecision(2)<<fixed<<x<<endl;
}
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這樣寫在DEVC++執行可以
| d561. 被秒殺的四捨五入 -- jack1 |
×
查看評分詳細結果。hint Complete
Close
AC (1ms, 702KB) |
×
查看程式碼 #364516 d561. 被秒殺的四捨五入 --
jack1
sub ok(byval strx as string)
dim f as string = trim(strx) & "00000"
dim v as integer = instr(f,".")
dim s as string = mid(f,1,v-1)
dim i as integer = val(mid(f,v+1,1))
dim j as integer = val(mid(f,v+2,1))
dim k as integer = val(mid(f,v+3,1))
if k > 4 then j += 1
if j > 9 then
j -= 10
i += 1
end if
if i > 9 then
i -= 10
if instr(s,"-") > 0 then
s = "-1"
else
s = "1"
end if
end if
dim o as string = s & "." & str(i) & str(j)
if o = "-0.00" then o = "0.00"
print o
end sub
dim s as string
open cons for input as #1
do
input #1, s
if trim(s)<>"" then
ok(s)
end if
loop until eof(1)
Close
×
查看程式碼 #364516 d561. 被秒殺的四捨五入 --
jack1
solutioncode Close
| 2009-12-07 14:29 |
basic 也可以耶