Submission #1278439

#	Time	Username	Problem	Language	Result	Execution time	Memory
1278439		jackofall718	Snail (NOI18_snail)	C++20	17 / 100	2 ms	584 KiB

snail

#include <bits/stdc++.h>
#include <chrono>
#define ll long long int
#define endl '\n'
#define vn vector<ll>
#define vi vector<pair <ll,ll>>

using namespace std;
using namespace std::chrono;
const int MAX_N = 1e9 + 7;
#define pii pair<ll,ll>
const ll INF = 0x3f3f3f3f3f3f3f3f;

#define pb push_back  
#define srt(vp) sort(vp.begin(), vp.end()) 

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    auto start = high_resolution_clock::now();

    ll h,n;
    cin>>h>>n;
    vn v(n);
    for (auto &x:v)cin>>x;
    vn pos(n);
    pos[0]=max(0LL,0+v[0]);
    for (int i=1;i<n;i++){
        pos[i]=max(0LL,pos[i-1]+v[i]);

    }
    if (pos[n-1]==0)cout<<-1<<" "<<-1<<endl;
    else{
    
    ll phase = h % pos[n-1];
    auto it = upper_bound(pos.begin(),pos.end(),phase);
    phase = it - pos.begin();
    

    ll days = h / pos[n-1];
    if (phase==0)days--;
    
    cout<<days<<" "<<phase<<endl;


    }



    

    auto stop = high_resolution_clock::now();
    auto duration = duration_cast<microseconds>(stop - start);
    //cout << "Time taken by function: " << duration.count() << " microseconds" << endl;

    return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 25
• Subtask 4: 17 / 17
• Subtask 5: 0 / 38