Submission #32177

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
32177	2017-10-03 01:33:13	minchurl	Bali Sculptures (APIO15_sculpture)	C++11	50 / 100	759 ms	1144 KiB

sculpture

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#include<stdio.h>
#define LL long long
#define MAX_N 2005
#define inf (1LL<<60)
#define MIN(x,y) ((x)<(y)?(x):(y))
LL ans,e;
LL arr[MAX_N],t[MAX_N];
LL N,A,B;
bool is_ok(LL x){
  LL i,j,sum,y,z;
  for(i=1;i<=N;i++) t[i]=inf;
  t[0]=0;
  if(x>=0)  ans+=(1LL<<x);
  y=(ans&-ans);
  for(i=1;i<=N;i++){
    sum=0;
    for(j=i;j>=1;j--){
      sum+=arr[j];
      z=sum;
      if(x>=0){z=sum|(y-1);z++;z-=y;}
      z|=ans;
      if(z!=ans)  continue;
      t[i]=MIN(t[i],t[j-1]+1);
    }
  }
  if(x>=0)  ans-=(1LL<<x);
  if(t[N]>B)  return false;
  else  return true;
}
LL bin_search(){
 
 
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Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:52:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&N,&A,&B);
                                  ^
sculpture.cpp:54:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&arr[i]);
                        ^

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 29 / 29