Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:9: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
if(k<=0)while(1);
^~~~~
/in/foo.cc:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
scanf("%s",s);
^~~~~
/in/foo.cc:17:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if(k<=0)while(1);
^~
/in/foo.cc:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
scanf("%s",s);
^~~~~
代码
#include <bits/stdc++.h>
typedef long long int LL;
using namespace std;
#define abs(x) ((x)>0?(x):-(x))
const int N = 1e6+7;
/*****************************************************************/
char s[N];
int k;
int main(){
int _=1,kcase=0;
scanf("%d",&_);
while(_--){
scanf("%d",&k);
if(k<=0)while(1);
scanf("%s",s);
int l=strlen(s);
LL x=0,mx=0;
for(int i=l-k+1;i<l;i++){
x<<=1;
x|= s[i]=='1' ;
}
for(int i=l-k;i>=0;i--){
if(s[i]=='1') x|=1LL<<(k-1);
mx=max(mx,x);
x>>=1;
}
printf("Case #%d: %lld\n",++kcase,mx);
}
return 0;
}
