Submission #1354571

#	Time	Username	Problem	Language	Result	Execution time	Memory
1354571		imchy	Gift Boxes (EGOI25_giftboxes)	C++20	19 / 100	767 ms	72812 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int main(){
    int t, n, id1, id2, i1, i2;
    cin>>t>>n;
    vector<int> c(n);
    map<int, int> p, k;
    bool b=true;

    for(int i=0;i<n;i++){
        cin>>c[i];
        if(p[c[i]] && b){
            id1=i;
            b=false;
        }
        p[c[i]]++;
    }

    for(int i=0;i<id1;i++){
        k[c[i]]++;
    }

    for(int i=n-1;i>=id1;i--){
        if(k[c[i]]){
            id2=i;
            break;
        }
        k[c[i]]++;
    }

    map<int, int> p1, k1;

    for(int i=n-1;i>=0;i--){
        if(p1[c[i]]){
            i1=i;
            break;
        }
        p1[c[i]]++;
    }
    for(int i=0;i<=i1;i++){
        if(k1[c[i]]){
            i2=i;
            break;
        }
        k1[c[i]]++;
    }

    if(id2-id1<i1-i2)
        cout<<id1<<" "<<id2;

    else
        cout<<i2<<" "<<i1;

    return 0;
}

• Subtask 0: 0 / 0
• Subtask 1: 8 / 8
• Subtask 2: 11 / 11
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 24