Submission #14454

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
14454	2015-05-17 08:05:08	yys980	정전 (OJUZ10_blackout)	C++98	50 / 100	50 ms	5772 KiB

blackout

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#include <stdio.h>
#include <algorithm>
using namespace std;
int n,l,sum;
int slight[300000],elight[300000];
int allight[300000][2],acnt;
int main()
{
    scanf("%d %d",&n, &l);
    int i;
    for(i = 1 ; i <= n ; i++){
        scanf("%d",&slight[i]);
        slight[i]-=l;
    }
    sort(slight+1,slight+1+n);
    for(i = 1 ; i <= n ; i++){
        elight[i]=slight[i]+l*2;
    }
    for(i = 1 ; i < n ; i++){
        if(slight[i+1] >= elight[i])continue;
        allight[acnt][0]=slight[i+1];
        allight[acnt][1]=elight[i];
        if(acnt>=1 && allight[acnt][0]<allight[acnt-1][1]){
            allight[acnt-1][1]=allight[acnt][1];
            allight[acnt][0]=allight[acnt][1]=0;
        }
        else acnt++;
    }
    for(i = 0 ; i < acnt ; i++){
        sum+=(allight[i][1]-allight[i][0]);
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40