Submission #575901

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
575901	2022-06-11 15:13:11	JovanB	Discharging (NOI20_discharging)	C++17	100 / 100	265 ms	87540 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 1000000;
const ll INF = 1000000000000000000LL;
ll a[N+5];
ll dp[N+5];
struct line{
    ll k, n;
    ll eval(int x){ return k*x + n; }
} seg[4*N+5];
ll query(int node, int l, int r, int i){
    ll g = seg[node].eval(i);
    if(l == r) return g;
    int mid = (l+r)/2;
    if(i <= mid) return min(g, query(node*2, l, mid, i));
    return min(g, query(node*2+1, mid+1, r, i));
}
void upd(int node, int l, int r, line g){
    int mid = (l+r)/2;
    if(g.eval(mid) < seg[node].eval(mid)){
        swap(g, seg[node]);
    }
 
 
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Compilation message (stderr)

Discharging.cpp: In function 'int main()':
Discharging.cpp:55:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i=0; i<vec.size(); i++){
      |                  ~^~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 11 / 11
• Subtask 5: 14 / 14
• Subtask 6: 28 / 28