Submission #1167175

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1167175	2025-03-15 13:32:33	spycoderyt	Harbingers (CEOI09_harbingers)	C++20	0 / 100	88 ms	24644 KiB

harbingers

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#include <bits/stdc++.h>
using namespace std;
#define int long long 
const int N = 3e5+5;
struct Line{
    int a,b;
    int operator()(int x) {return a * x + b;};
}lines[N];
vector<pair<int,int> > A[N];
int dis[N],prep[N],v[N],dp[N];
int sz=1;
int inter(Line x,Line y) {
    return (x.b - y.b) / (y.a - x.a);
}
stack<tuple<int,int,Line> > his;
void add(Line nw) {
    int pos = sz, l = 1, r = sz-1;
    while(l<=r){
        int mid = (l+r)/2;
        if(inter(lines[mid-1],nw) >= inter(lines[mid],nw)){
            pos=mid;
            r=mid-1;   
        }else l=mid+1;
    }
    his.emplace(sz,pos,lines[pos]);
    lines[pos]=nw;
    sz=pos+1;
}
int query(int x) {
 
 
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• Subtask 1: 0 / 100