NpSgmH - Online C++ Compiler & Debugging Tool

#include <iostream>
#include <cmath>
#include<array>
#include<string>
#include<algorithm>
#include<cstdlib>
#include <string.h>
#define ll long long
#include <bits/stdc++.h>
using namespace std;

struct rec {
    int x , y ;
};

bool ca(rec a, rec b) {
    return a.x < b.x;
}


signed main() {
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);

    int s , n ;
    cin >> s >> n;
    //int ctrl = 0;

    rec arr[n];
    for (int i = 0; i < n; i++) {
        cin >> arr[i].x >> arr[i].y;
    }
    sort(arr, arr + n , ca);

    /*if (s > arr[0].x) {
        ctrl++;
        s = s + n ;
    }*/

    for (int i = 0; i < n; i++) {
        if (s > arr[i].x) {
            //ctrl++;
            s += arr[i].y ;
        }
        else {
            //ctrl = 0;
            cout << "No" << endl;
            return 0;
        }
    }


    cout << "Yes" << endl ;


}