Submission #1253443

#	Time	Username	Problem	Language	Result	Execution time	Memory
1253443		lumine88	Jousting tournament (IOI12_tournament)	C++20	Compilation error	0 ms	0 KiB

tournament

#include<bits/stdc++.h>
using namespace std;
#define yoimiya int
const yoimiya nmax=1e5+163,inf=1e9,mod=1e9+7,MAX=4000000;
yoimiya n,m,late,rnk[nmax],idx[nmax],leaf;
vector<yoimiya> tree[nmax];
yoimiya dfs(yoimiya u)
{
    if (u==0)
    {
        leaf++;
        return -1;
    }
    yoimiya start=leaf,res=-1;
    for (yoimiya v:tree[u])
    {
        res=max(res,dfs(v));
        if (v!=tree[u].back())
            res=max(res,rnk[leaf]);
    }
    if (res<late)
    {
        idx[start]++;
        idx[leaf]--;
    }
    return res;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("yoimiya.INP","r",stdin);
    //freopen("yoimiya.OUT","w",stdout);
    cin>>n>>m>>late;
    for (int i=1;i<n;i++)
        cin>>rnk[i];
    for (int i=1,l,r;i<=m;i++)
    {
        cin>>l>>r;
        for (int j=l;j<=r;j++)
        {
            tree[i].push_back(idx[j]);
            idx[j]=0;
        }
        idx[l]=i;
    }
    memset(idx,0,sizeof idx);
    dfs(m);
    leaf=0;
    for (int i=0;i<n;i++)
    {
        idx[i+1]+=idx[i];
        if (idx[leaf]<idx[i])
            leaf=i;
    }
    cout<<leaf;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccED2mKy.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccjrZdy4.o:tournament.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccED2mKy.o: in function `main':
grader.cpp:(.text.startup+0x120): undefined reference to `GetBestPosition(int, int, int, int*, int*, int*)'
collect2: error: ld returned 1 exit status