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冒号那个是做什么用的 为什么得写上那句才能成功?if(a[0]==':') 这句 、、In Reply To:把它当字符串做了 Posted by:1004115224 at 2012-08-16 16:45:44 > #include<iostream> > #include<string> > using namespace std; > int main() > { > string a; > int n; > cin>>n; > while(n--) > { > cin>>a; > int l=a.length(); > if(l==1)cout<<a<<endl; > else > { > for(int i=l-1;i>0;i--) > { > if(a[i]>='5') > { > a[i]='0'; > a[i-1]=a[i-1]+1; > } > else a[i]='0'; > } > if(a[0]==':') > { > a[0]='0'; > cout<<1<<a<<endl; > } > else cout<<a<<endl; > } > } > return 0; > } Followed by: Post your reply here: |
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