Submission #319541

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
319541	2020-11-05T13:38:09 Z	tjdgus4384	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KB

boxes

#include<bits/stdc++.h>
#include "boxes.h"
using namespace std;

long long delivery(int N, int K, int L, int positions[]){
    int i, ans = 0;
    for(i = 0;i + K - 1 < N;i += K){
        if(positions[i] > L/2) ans += (L-positions[i])*2;
        else if(positions[i + K - 1] < L/2) ans += (positions[i + K - 1])*2;
        else{
            for(int j = i+1;j <= i + K - 1;j++){
                if(positions[j]-positions[j-1] > L/2){
                    ans += (L-positions[j]+positions[j-1])*2;
                    goto next;
                }
            }
            ans += L;
        }
        next:;
    }
    if(i == N) return ans;
    if(positions[i] > L/2) ans += (L-positions[i])*2;
    else if(positions[N-1] < L/2) ans += positions[N-1] * 2;
    else{
        for(int j = i+1;j <= N - 1;j++){
            if(positions[j]-positions[j-1] > L/2){
                ans += (L-positions[j]+positions[j-1])*2;
                goto next;
            }
        }
        ans += L;
    }
    next:;
    return ans;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:33:5: error: duplicate label 'next'
   33 |     next:;
      |     ^~~~