Submission #844220

#	Time	Username	Problem	Language	Result	Execution time	Memory
844220		vjudge1	Pod starim krovovima (COCI20_psk)	C++17	0 / 50	2 ms	348 KiB

Main

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define int long long
 
#ifndef ONLINE_JUDGE
    #define OPEN freopen(".in", "r", stdin); \
                 freopen(".out", "w", stdout);
#else
    #define OPEN void(23);
#endif

void solve()
{
    int n; cin >> n;
    array <int, 3> arr[n];
    int sum = 0, cnt = 0;
    for(auto &[a, b, c] : arr) cin >> a >> b, sum += a, c = cnt++;

    sort(arr, arr + n, [&](array <int, 3> &a, array <int, 3> &b)
    {
        return a[1] > b[1];
    });

    vector <int> ans(n);
    int cev = n;
    for(int i = 1; i <= n; i++)
    {
        if(sum <= arr[i -1][1])
        {
            ans[arr[i -1][2]] = sum;
            cev--;
            break;
        }

        ans[arr[i -1][2]] = arr[i -1][1];
        sum -= arr[i -1][1];
        cev--;
    }

    cout << cev << "\n";
    for(int &i : ans) cout << i << " ";

    return;
}

int32_t main()
{
    OPEN;

    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int t = 1; //cin >> t;
    while(t--)
    {
        solve();
    }
}

Compilation message (stderr)

psk.cpp: In function 'int32_t main()':
psk.cpp:8:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     #define OPEN freopen(".in", "r", stdin); \
      |                  ~~~~~~~^~~~~~~~~~~~~~~~~~~
psk.cpp:50:5: note: in expansion of macro 'OPEN'
   50 |     OPEN;
      |     ^~~~
psk.cpp:9:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |                  freopen(".out", "w", stdout);
      |                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
psk.cpp:50:5: note: in expansion of macro 'OPEN'
   50 |     OPEN;
      |     ^~~~

• Subtask 1: 0 / 50