Submission

Score: 100

User: NovemNotes

Problemset: ไฟส่อง

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-17 11:43:05

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

int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int n;cin >> n;
    vector<pair<int,int>> v;
    for(int i=0;i<n;i++){
        int x,y;cin >> x >> y;
        if(x<=y)v.emplace_back(x,y);
        else {
            v.emplace_back(x,360+y);
        }
    }
    int mx=0;
    int l=0,r=0;
    sort(v.begin(),v.end());
    for(auto &[x,y]:v){
        if(x<=r){
            r=max(r,y);
        }else{
            mx=max(mx,abs(l-r));
            l=x,r=y;
        }
        // cout << l << " " << r << "\n";
    }
    mx=max(mx,abs(l-r));
    cout << (mx>360? 360 : mx) << "\n";
    return 0;
}