Submission #516226

#	Time	Username	Problem	Language	Result	Execution time	Memory
516226		MohamedAliSaidane	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

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

typedef long long ll;
typedef long double ld;

typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ld,ld> pld;

typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

#define pb push_back
#define popb pop_back
#define all(v) (v).begin(),(v).end()

#define ff first
#define ss second

const ll INF=  1e18 ;
const ll MOD = 1e9 + 7;

int n, k, l;
vi A;
int delivery(int N, int K, int L, vi positions)
{
    n = N, k = K, l = L;
    A = positions;
    ll ans = 0ll;
    ll maxt = 0ll;
    for(auto e: positions)
    {
        ans += min(e,l-e);
    }
    return 2*ans;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int N, K, L;
    vi positions;
    cin >> N >> K >> L;
    for(int i = 0; i <N; i ++)
    {
        int x; cin >> x;
        positions.pb(x);
    }
    cout << delivery(N,K,L,positions);
}

Compilation message (stderr)

boxes.cpp: In function 'int delivery(int, int, int, vi)':
boxes.cpp:38:13: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   38 |     return 2*ans;
      |            ~^~~~
boxes.cpp:33:8: warning: unused variable 'maxt' [-Wunused-variable]
   33 |     ll maxt = 0ll;
      |        ^~~~
/usr/bin/ld: /tmp/ccd00Rbl.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccWg5yjm.o:boxes.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccd00Rbl.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status