Submission #90046

#	Time	Username	Problem	Language	Result	Execution time	Memory
90046		psmao	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

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

#define fo(i,s,t) for(int i = s; i <= t; ++ i)
#define fd(i,s,t) for(int i = s; i >= t; -- i)
#define bf(i,s) for(int i = head[s]; i; i = e[i].next)
#define mp make_pair
#define fi first
#define se second
#define pii pair<int,int>
#define pb push_back
#define VI vector<int>
#define sf scanf
#define pf printf
#define fp freopen
#define SZ(x) ((int)(x).size())
#ifdef MPS
#define D(x...) printf(x)
#else
#define D(x...)
#endif
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
const int inf = 1<<30;
const ll INF = 1ll<<60;
const db Inf = 1e20;
const db eps = 1e-9;

void gmax(int &a,int b){a = (a > b ? a : b);}
void gmin(int &a,int b){a = (a < b ? a : b);}

const int maxn = 10000050;

int n, K, L, pos[maxn];
ll wl[maxn], wr[maxn], ans;

int main()
{
	#ifdef MPS
		fp("1.in","r",stdin);
		fp("1.out","w",stdout);
	#endif
	sf("%d%d%d",&n,&K,&L);
	fo(i,1,n) sf("%d",&pos[i]);
	fo(i,1,n) wl[i] = wl[max(0,i-K)] + pos[i]*2;
	fd(i,n,1) wr[i] = wr[min(n+1,i+K)] + (L-pos[i])*2;
	ans = INF;
	fo(i,0,n) ans = min(ans, wl[i] + wr[i+1]);
	fo(i,0,n-K) ans = min(ans, wl[i] + wr[i+K+1] + L); 
	cout << ans << endl;
	return 0;
}

Compilation message (stderr)

boxes.cpp: In function 'int main()':
boxes.cpp:44:4: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  sf("%d%d%d",&n,&K,&L);
    ^
boxes.cpp:45:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fo(i,1,n) sf("%d",&pos[i]);
              ^
/tmp/ccXAJEYY.o: In function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'
/tmp/cccBNJbJ.o:boxes.cpp:(.text.startup+0x0): first defined here
/tmp/ccXAJEYY.o: In function `main':
grader.c:(.text.startup+0x22f): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status