Submission #1122789

#	Time	Username	Problem	Language	Result	Execution time	Memory
1122789		Choco	Labels (NOI20_labels)	C++20	100 / 100	51 ms	4804 KiB

Labels

#include<bits/stdc++.h>
using namespace std;
#define Study ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define ll long long
#define ull unsigned long long
#define pb push_back
#define ff first 
#define ss second
#define ins insert
#define all(x) x.begin(),x.end()
#define fori(x,y,z) for(ll x=y;x<=z;x++)
const ll INF=1e9;
const ll sz=2e5+10;
const ll mod=1e9+7;
void work(){
    ll n;
    cin>>n;
    int mx=0;
    vector<int> d(n-1,0);
    int sum=0;
    int mn = INF;
    for(int i =0;i<n-1;i++){
        cin>>d[i];
        mx=max(mx , sum+=d[i]);
        mn=min(mn, sum);
    }
    
    vector<int> arr;
    int s=n - mx;

    arr.pb(s);
    // cout<<s<<endl;
    if( (s-1 >=1 && (mn + (s-1)>=1) )){
        cout<<"-1"<<endl;
        return;
    }

    int pref =s;
    for(auto v:d){
        pref+=v;
        arr.pb(pref);
    }

    for(auto v:arr){
        if(v<=0 && v>n ){
            cout<<"-1"<<endl;
            return;
        }
    }
    for(auto v:arr){
        cout<<v<<" ";
    }
    cout<<endl;
}
int main(){
    Study;
    ll t=1;
    //cin>>t;
    while(t--){
        work();
    }
}

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 18 / 18
• Subtask 5: 35 / 35