Submission #1319877

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319877		benight	Lasers (NOI19_lasers)	C++17	0 / 100	10 ms	424 KiB

lasers

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define vi vector<ll>
#define f(i,a,b) for(ll i=a;i<b;i++)
#define fr(i,a,b) for(ll i=a;i>=b;i--)
#define fa(e,l) for(auto e:l)
#define all(arr) arr.begin(),arr.end()
#define pii pair<ll,ll>
#define tii tuple<ll,ll,ll>
#define coutpii(x) fa(e,x){cout<<e.first<<","<<e.second<<" ";}cout<<"\n"
#define coutll(x) fa(e,x){cout<<e<<" ";}cout<<"\n"

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll T,a,b,c,d,n,l,r,x,y,m,t,q;
    // cin>>T;
    // f(I,0,T){
    //     cin>>n;
    // }
    cin>>l>>r;
    ll mx=0;
    f(i,0,r){
        cin>>x;
        f(i,0,x){
            cin>>y;
            mx=max(mx,y);
        }
    }
    if(y<l){cout<<0;}
    else{cout<<y*2-l;}
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 13