Submission #827181

#	Time	Username	Problem	Language	Result	Execution time	Memory
827181		LeSonnn	Jousting tournament (IOI12_tournament)	C++17	Compilation error	0 ms	0 KiB

tournament

#include <bits/stdc++.h>
#define task "tournament"
using namespace std;
typedef long long ll;
typedef pair <int, int> ii;
#define fi first
#define se second
const int N = 1e6 + 9;
ll n, m, k;
set<ll> s;

void progress()
{
    cin >> n >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        s.insert(i);
    }
    vector <ll> ans(n + 1), res;
    for ( ; m--;)
    {
        ll l, r, w;
        cin >> l >> r >> w;
        auto it = s.lower_bound(l);
        res.clear();
        while (it != s.end() && *it <= r)
        {
            if (*it != w)
            {
                ans[*it] = w;
                res.emplace_back(*it);
            }
            it++;
        }
        for (auto i : res)
        {
            s.erase(i);
        }
    }
    for (int i = 1; i <= n; i++)
    {
        cout << ans[i] << " ";
    }
}

signed main()
{
    // Author : Shyn_
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    if(fopen(task ".inp", "r"))
    {
        freopen(task ".inp", "r", stdin);
        freopen(task ".out", "w", stdout);
    }
    ll nt(1);
    // cin >> nt;
    for ( ; nt--;)
    {
        progress();
    }
    return 0;
}
/* LCG */

Compilation message (stderr)

tournament.cpp: In function 'int main()':
tournament.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         freopen(task ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
tournament.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(task ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccxAz099.o: in function `main':
tournament.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc2YWGqa.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc2YWGqa.o: in function `main':
grader.cpp:(.text.startup+0x118): undefined reference to `GetBestPosition(int, int, int, int*, int*, int*)'
collect2: error: ld returned 1 exit status