Submission #216798

#	Time	Username	Problem	Language	Result	Execution time	Memory
216798		mohamedsobhi777	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std ; 
const int M_N = 1e5 + 7 ;

long long solve1(int N , int  K, int L , int p[]){

    long long ret = 0 , pivot = -1 ; 
    sort(p , p + N) ; 
    for(int i =0 ; i < N ; i++){
        if(p[i] <=L /2 )
            pivot = i ;
    }
    long long cur = 0 , swp = -1 ; 
    for(int i = 0 ; i <=pivot ; i++){
        cur++;
        if(cur==K){
            ret+=2ll*p[i] ; 
            cur = 0 ; 
            swp = i ; 
        } 
    }
    for(int i = 0 ; i <=swp ; i++)p[i] = 0;
    cur = 0 , swp = N ; 
    for(int i = N-1 ; i>pivot ; i--){
        cur++ ; 
        if(cur==K){
            ret+=2ll*(L - p[i]) ; 
            cur = 0 ; 
            swp = i ; 
        }
    }
    for(int i = swp ; i <N ; i++)p[i] = 0 ; 
    long long road1 = 0 , road2 = 0, road3 = 0; 
    for(int i = 0 ; i < N;i++){
        if(i<=pivot){
            road1 = 2ll * p[i] ; 
        }else if(!road2 && p[i]){
            road2 = 2ll*(L - p[i]) ; 
        }
    }
    return ret + road1 + road2 ; 
}

Compilation message (stderr)

boxes.cpp: In function 'long long int solve1(int, int, int, int*)':
boxes.cpp:33:17: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     for(int i = swp ; i <N ; i++)p[i] = 0 ; 
                 ^~~
boxes.cpp:34:38: warning: unused variable 'road3' [-Wunused-variable]
     long long road1 = 0 , road2 = 0, road3 = 0; 
                                      ^~~~~
/tmp/ccLJ0ut1.o: In function `main':
grader.c:(.text.startup+0x22f): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status