Submission #1324854

#	Time	Username	Problem	Language	Result	Execution time	Memory
1324854		xyz7577	Shortcut (IOI16_shortcut)	C++17	Compilation error	0 ms	0 KiB

shortcut

#include<bits/stdc++.h>
using namespace std;
using int64=long long;
int64 find_shortcut (int n,vector<int>&l,vector<int>&d, int c) {
    vector<int64>pos(n);
    for (int i=1;i<n;i++) pos[i]=pos[i-1]+l[i-1];
    int64 ans=LLONG_MAX;
    for (int i=0;i<n;i++) {
        for (int j=i+1;j<n;j++) {
            int64 diam=0;
            for (int x=0;x<n;x++) {
                for (int y=x+1;y<n;y++) {
                    int64 normal=abs(pos[x]-pos[y]);
                    int64 via1=abs(pos[x]-pos[i])+c+abs(pos[y]-pos[j]);
                    int64 via2=abs(pos[x]-pos[j])+c+abs(pos[y]-pos[i]);
                    int64 best=min(normal,min(via1,via2));
                    int64 dist=best+d[x]+d[y];
                    diam=max(diam,dist);
                }
            }
            ans=min(ans,diam);
        }
    }
    return ans;
}

Compilation message (stderr)

shortcut.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
shortcut_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/ccKtH5JZ.o: in function `main':
grader.cpp:(.text.startup+0x127): undefined reference to `find_shortcut(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status