Submission #1112421

#	Time	Username	Problem	Language	Result	Execution time	Memory
1112421		n3rm1n	Event Hopping (BOI22_events)	C++17	Compilation error	0 ms	0 KiB

events

#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 10;
void speed()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
}
struct pus
{
    int s, e, index;
    pus(){};
    pus(int _s, int _e, int _index)
    {
        s = _s;
        e = _e;
        index = _index;
    }
};

int n, q;
int s[MAXN], e[MAXN], maxt = 0;
unordered_map < int, int > mp;
vector < int > p;

int t[MAXN * 4];
void make_tree(int i, int l, int r)
{
    t[i] = 1e9;
    if(l == r)return;
    int mid = (l + r)/2;
    make_tree(2*i, l, mid);
    make_tree(2*i+1, mid+1, r);
}
int val, x;
void update(int i, int l, int r)
{
    if(l == r)
    {
        t[i] = min(t[i], val);
        return;
    }
    int mid = (l + r)/2;
    if(x <= mid)update(2*i, l, mid);
    else update(2*i+1, mid+1, r);
    t[i] = min(t[2*i], t[2*i+1]);
}

int ql, qr;
int query(int i, int l, int r)
{
    if(qr < l || ql > r)return 1e9;
    if(ql <= l && r <= qr)return t[i];
    int mid = (l + r)/2;
    return min(query(2*i, l, mid), query(2*i+1, mid+1, r));
}

void read()
{
    cin >> n >> q;
    vector < int > g;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> s[i] >> e[i];
        g.push_back(s[i]);
        g.push_back(e[i]);
    }
    sort(g.begin(), g.end());
    int last = -1;
    for (auto x: g)
    {
        if(last == x)continue;
        maxt ++;
        mp[x] = maxt;
        last = x;
    }
    for (int i = 1; i <= n; ++ i)
    {
        s[i] = mp[s[i]];
        t[i] = mp[t[i]];
        p.push_back(pus(s[i], e[i], i));
    }
    sort(p.begin(), p.end(), cmp);
}

void solve()
{
    for (auto &[s, e, i]: p)
    {
        
    }
}
int main()
{
   
   speed();
   
   
   read();
    return 0;
}

Compilation message (stderr)

events.cpp: In function 'void read()':
events.cpp:82:39: error: no matching function for call to 'std::vector<int>::push_back(pus)'
   82 |         p.push_back(pus(s[i], e[i], i));
      |                                       ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from events.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'pus' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'pus' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
events.cpp:84:30: error: 'cmp' was not declared in this scope; did you mean 'mp'?
   84 |     sort(p.begin(), p.end(), cmp);
      |                              ^~~
      |                              mp
events.cpp: In function 'void solve()':
events.cpp:89:16: error: cannot decompose non-array non-class type 'int'
   89 |     for (auto &[s, e, i]: p)
      |                ^~~~~~~~~
events.cpp:89:16: warning: unused structured binding declaration [-Wunused-variable]