Submission #17557

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
17557	2015-12-27 08:05:53	tncks0121	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	4355 ms	23292 KiB

elephants

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#include<stdio.h>
#include<math.h>
  
int N, L, Q;
  
#define bN 390
#define N_ 150000
  
int tmp[N_+1], tmp2[N_+1];
  
class Elephant {
    int bucket [bN+1][2*bN+5];
    int cnt [bN+1];
    int cameras [bN+1][2*bN+5];
    int end [bN+1][2*bN+5];
    int number [bN+1][2*bN+5];
    int wh [N_+1];
  
    int bn, bl;
    int jcnt;
  
    void solve(int num){ // bucket[num]에 대해 cameras, end 문제 해결
        int *b = bucket[num], *c = cameras[num], *e = end[num];
        int i, j = cnt[num] + 1; c[j] = 0;
        for(i = cnt[num]; i > 0; i--){
            while(b[--j] - b[i] > L); j++;
            c[i] = c[j] + 1;
            if(j <= cnt[num]) e[i] = e[j];
            else e[i] = b[i] + L;
        }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3