Submission #456350

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
456350	2021-08-06 13:40:13	chunghan	Hiring (IOI09_hiring)	C++17	3 / 100	443 ms	18288 KiB

hiring

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
ll N, W, sum, rst;
double psum = 1e18;
pair<pair<ll, ll>, int> D[500005];
pair<pair<ll, ll>, int> max_k;
priority_queue<pair<pair<ll, ll>, int>, vector<pair<pair<ll, ll>, int>>, less<pair<pair<ll, ll>, int>>> pq;
bool cmp(pair<pair<ll, ll>, int> a, pair<pair<ll, ll>, int> b) {
    pair<ll, ll> x = a.first, y = b.first;
    return x.first * y.second > y.first * x.second;
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N >> W;
    for (int i = 0; i < N; i++) {
        int q, s;
        cin >> s >> q;
        D[i] = {{q, s}, i};
    }
    sort(D, D+N, cmp);
    for (int i = 0; i < N; i++) {
        pair<ll, ll> E = D[i].first;
        ll Q = E.first, S = E.second;
 
 
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Compilation message (stderr)

hiring.cpp: In function 'int main()':
hiring.cpp:49:8: warning: unused variable 'Qr' [-Wunused-variable]
   49 |     ll Qr = max_k.first.first, Sr = max_k.first.second, im = max_k.second;
      |        ^~
hiring.cpp:49:32: warning: unused variable 'Sr' [-Wunused-variable]
   49 |     ll Qr = max_k.first.first, Sr = max_k.first.second, im = max_k.second;
      |                                ^~

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• Subtask 2: 2 / 28
• Subtask 3: 0 / 6
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