Submission #1042854

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042854		ALeonidou	철로 (IOI14_rail)	C++17	Compilation error	0 ms	0 KiB

rail

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

#define ll int
#define F first
#define S second
#define sz(x) (ll)x.size()
#define endl "\n"
#define pb push_back

typedef vector <ll> vi;
typedef pair <ll,ll> ii;
typedef vector <ii> vii;

#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;

mt19937 rng;
void init_random(){
    rng = mt19937(chrono::steady_clock::now().time_since_epoch().count());
}

ll getNum(ll l, ll r){
    return (l + rng() % (r-l+1));
}

int main(){
    init_random();
    ll n = getNum(3,8), r = 10;
    vii v;
    ll f = getNum(0, r-2);
    v.pb(ii(f,1));
    ll f2 = getNum(f+1, r-1);
    v.pb(ii(f2,2));
    set <ll> st;
    st.insert(f);
    st.insert(f2);
    ll miniPos = f;
    ll maxPos = f2;
    for (ll i =2; i<n; i++){
        ll p = getNum(0, r-1);
        while (st.find(p) != st.end()) p = getNum(0,r-1);
        st.insert(p);
        v.pb(ii(p, getNum(1,2)));
        miniPos = min(miniPos,p);
        maxPos = max(maxPos, p);
    }
    for (ll i =0; i<n; i++){
        if (v[i].F == miniPos) v[i].S = 1;
        if (v[i].F == maxPos) v[i].S = 2;
    }

    cout<<"3"<<endl;
    cout<<n<<endl;
    for (ll i= 0; i<n; i++){
        cout<<v[i].S<<" "<<v[i].F<<endl;
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc39BvQk.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccrLRbjk.o:rail.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc39BvQk.o: in function `main':
grader.cpp:(.text.startup+0x2d9): undefined reference to `findLocation'
collect2: error: ld returned 1 exit status