Problem: 2063B - Subsequence Update
Language: C++23 (GCC 14-64, msys2)

Previous submission (verdict: Wrong answer on test 2):
#include "bits/stdc++.h"

#define int long long

#define uint unsigned long long

#define vi vector<int>

#define vvi vector<vi >

#define vb vector<bool>

#define vvb vector<vb >

#define fr(i,n) for(int i=0; i<(n); i++)

#define rep(i,a,n) for(int i=(a); i<=(n); i++)

#define nl cout<<"\n"

#define dbg(var) cout<<#var<<"="<<var<<" "

#define all(v) v.begin(),v.end()

#define sz(v) (int)(v.size())

#define srt(v)  sort(v.begin(),v.end())         // sort 

#define mxe(v)  *max_element(v.begin(),v.end())     // find max element in vector

#define mne(v)  *min_element(v.begin(),v.end())     // find min element in vector

#define unq(v)  v.resize(distance(v.begin(), unique(v.begin(), v.end())));

// make sure to sort before applying unique // else only consecutive duplicates would be removed 

#define bin(x,y)  bitset<y>(x) 

using namespace std;

int MOD=1e9+7;      // Hardcoded, directly change from here for functions!







void modadd(int &a , int b) {a=((a%MOD)+(b%MOD))%MOD;}

void modsub(int &a , int b) {a=((a%MOD)-(b%MOD)+MOD)%MOD;}

void modmul(int &a , int b) {a=((a%MOD)*(b%MOD))%MOD;}

// ================================== take ip/op like vector,pairs directly!==================================

template<typename typC,typename typD> istream &operator>>(istream &cin,pair<typC,typD> &a) { return cin>>a.first>>a.second; }

template<typename typC> istream &operator>>(istream &cin,vector<typC> &a) { for (auto &x:a) cin>>x; return cin; }

template<typename typC,typename typD> ostream &operator<<(ostream &cout,const pair<typC,typD> &a) { return cout<<a.first<<' '<<a.second; }

template<typename typC,typename typD> ostream &operator<<(ostream &cout,const vector<pair<typC,typD>> &a) { for (auto &x:a) cout<<x<<'\n'; return cout; }

template<typename typC> ostream &operator<<(ostream &cout,const vector<typC> &a) { int n=a.size(); if (!n) return cout; cout<<a[0]; for (int i=1; i<n; i++) cout<<' '<<a[i]; return cout; }

// ===================================END Of the input module ==========================================





void solve(){

    int n=1,l=0,r=0;

    string s;

    cin>>n>>l>>r;

    vi v(n);

    fr(i,n)

    cin>>v[i];

    srt(v);

    int k=0;

    int sum=0;

    while(k<(r-l+1)){

        sum+=v[k++];

    }

    cout<<sum<<endl;

    

}



int32_t main()

{

 

 ios_base::sync_with_stdio(false);

 cin.tie(NULL);



    int T = 1;

    cin >> T;

    while (T--)

    {

        solve();

    }

    return 0;

}



    

Submission (verdict: Runtime error on test 1):
#include "bits/stdc++.h"

#define int long long

#define uint unsigned long long

#define vi vector<int>

#define vvi vector<vi >

#define vb vector<bool>

#define vvb vector<vb >

#define fr(i,n) for(int i=0; i<(n); i++)

#define rep(i,a,n) for(int i=(a); i<=(n); i++)

#define nl cout<<"\n"

#define dbg(var) cout<<#var<<"="<<var<<" "

#define all(v) v.begin(),v.end()

#define sz(v) (int)(v.size())

#define srt(v)  sort(v.begin(),v.end())         // sort 

#define mxe(v)  *max_element(v.begin(),v.end())     // find max element in vector

#define mne(v)  *min_element(v.begin(),v.end())     // find min element in vector

#define unq(v)  v.resize(distance(v.begin(), unique(v.begin(), v.end())));

// make sure to sort before applying unique // else only consecutive duplicates would be removed 

#define bin(x,y)  bitset<y>(x) 

using namespace std;

int MOD=1e9+7;      // Hardcoded, directly change from here for functions!







void modadd(int &a , int b) {a=((a%MOD)+(b%MOD))%MOD;}

void modsub(int &a , int b) {a=((a%MOD)-(b%MOD)+MOD)%MOD;}

void modmul(int &a , int b) {a=((a%MOD)*(b%MOD))%MOD;}

// ================================== take ip/op like vector,pairs directly!==================================

template<typename typC,typename typD> istream &operator>>(istream &cin,pair<typC,typD> &a) { return cin>>a.first>>a.second; }

template<typename typC> istream &operator>>(istream &cin,vector<typC> &a) { for (auto &x:a) cin>>x; return cin; }

template<typename typC,typename typD> ostream &operator<<(ostream &cout,const pair<typC,typD> &a) { return cout<<a.first<<' '<<a.second; }

template<typename typC,typename typD> ostream &operator<<(ostream &cout,const vector<pair<typC,typD>> &a) { for (auto &x:a) cout<<x<<'\n'; return cout; }

template<typename typC> ostream &operator<<(ostream &cout,const vector<typC> &a) { int n=a.size(); if (!n) return cout; cout<<a[0]; for (int i=1; i<n; i++) cout<<' '<<a[i]; return cout; }

// ===================================END Of the input module ==========================================





void solve(){

    int n=1,l=0,r=0;

    string s;

    cin>>n>>l>>r;

    

    vi v(n);

    fr(i,n)

    cin>>v[i];

    vi a;

    vi b;

   

    int sum1=0;

    int sum2=0;

    for(int i=0;i<r-1;i++){

       a.push_back(v[i]);

    }

    for(int i=l-1;i<n;i++){

        b.push_back(v[i]);

    }



    srt(a);

    srt(b);

    int k=0;

    while(k<r-l+1){

        sum1+=a[k];

        k++;

    }

    k=0;

    while(k<r-l+1){

        sum2+=b[k];

        k++;

    }

    cout<<min(sum1,sum2)<<endl;

    

}



int32_t main()

{

 

 ios_base::sync_with_stdio(false);

 cin.tie(NULL);



    int T = 1;

    cin >> T;

    while (T--)

    {

        solve();

    }

    return 0;

}