Submission #511456

# Submission time Handle Problem Language Result Execution time Memory
511456 2022-01-15T21:41:57 Z Jean7 Pod starim krovovima (COCI20_psk) C++14
50 / 50
1 ms 332 KB
#include <bits/stdc++.h>
#define fio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long

using namespace std ;

bool cmp ( pair<pair<int,int>,int> x , pair<pair<int,int>,int> y )
{
    if ( x.first.second == y.first.second ) return x.first.first > y.first.first ;
    return x.first.second > y.first.second ;
}
bool com ( pair<pair<int,int>,int> x , pair<pair<int,int>,int> y )
{
    return x.second < y.second ;
}

int32_t main ()
{
    fio
    int n , ans = 0 ;
    cin >> n ;
    pair <pair<int,int>,int> a[n] ;
    for ( int i = 0 ; i < n ; i++ )
    {
        cin >> a[i].first.first ;
        cin >> a[i].first.second ;
        a[i].second = i ;
    }
    sort ( a , a+n , cmp ) ;
    int i = 0 , j = n-1 ;
    while ( i < j )
    {
        int k = a[i].first.second - a[i].first.first ;
        if ( k > a[j].first.first )
        {
            a[i].first.first += a[j].first.first ;
            a[j].first.first = 0 ;
            j-- ;
        }
        else if ( k < a[j].first.first )
        {
            a[i].first.first += k ;
            i++ ;
            a[j].first.first -= k ;
        }
        else if ( k == a[j].first.first )
        {
            a[i].first.first += k ;
            i++ ;
            a[j].first.first = 0 ;
            j-- ;
        }
    }
    for ( auto it : a ) if ( it.first.first == 0 ) ans++ ;
    cout << ans << "\n" ;
    sort ( a , a+n , com ) ;
    for ( auto it : a ) cout << it.first.first << " " ;
    return 0 ;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 324 KB Output is correct