Submission #977859

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
977859	2024-05-08 11:57:35	vjudge1	Cake 3 (JOI19_cake3)	C11	100 / 100	464 ms	6740 KiB

cake3

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#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#define N 200000
int n, M, v[N],c[N],o[N],v2[N],vm[N],fw[N];
long long fw2[N],z=-1e18;
void add_(int p,int k1,long long k2) { for(;p<N;p|=p+1)fw[p]+=k1,fw2[p]+=k2; }
long long search()
{
    long long val2=0;int val=0,pos=0;
    for(int j=1<<20;j>>=1;)
        if(pos+j<=N&&val+fw[pos+j-1]<=M)pos+=j,val+=fw[pos-1],val2+=fw2[pos-1];
    return val2;
}
int cl=0,cr=-1;
void add(int i) { add_(vm[i],1,v[i]); }
void del(int i) { add_(vm[i],-1,-v[i]); }
void move(int l,int r)
{
    while(cr<r)add(++cr);
    while(cl>l)add(--cl);
    while(cr>r)del(cr--);
    while(cl<l)del(cl++);
}
void map(int i)
{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cake3.c: In function 'main':
cake3.c:82:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |     scanf("%d%d",&n,&M);
      |     ^~~~~~~~~~~~~~~~~~~
cake3.c:83:25: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |     for(int i=0;i<n;++i)scanf("%d%d",v+i,c+i),o[i]=i;
      |                         ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76