/*input
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define REP(i,j,k) for(int i = j ; i < k ; ++i)
#define RREP(i,j,k) for(int i = j ; i >=k ; --i)
#define A first
#define B second
#define mp make_pair
#define pb emplace_back
#define PII pair<int , int>
#define MEM(i,j) memset(i , j , sizeof i)
#define ALL(i) i.begin() , i.end()
#define DBGG(i,j) cout << i << " " << j << endl
#define DB4(i,j,k,l) cout << i << " " << j << " " << k << " " << l << endl
#define IOS cin.tie(0) , cout.sync_with_stdio(0)
#define endl "\n"
///------------------------------------------------------------
#define MAX 10000090
#define INF 0x3f3f3f3f
int n , k , l , x[MAX];
int32_t main(){
IOS;
cin >> n >> k >> l;
REP(i , 0 , n) cin >> x[i];
int ans = 0;
REP(i , 0 , n) ans += min(i , n - i);
cout << ans << endl;
return 0;
}
Compilation message
/tmp/ccn0nqmc.o: In function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'
/tmp/ccOCoIVI.o:boxes.cpp:(.text.startup+0x0): first defined here
/tmp/ccn0nqmc.o: In function `main':
grader.c:(.text.startup+0x22f): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status
