Submission #742992

#	Time	Username	Problem	Language	Result	Execution time	Memory
742992		vjudge1	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	1086 ms	65536 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 1;
const int M = 1e6 + 1;
priority_queue<pair<int,int>> q[M];
int arr[N];
int n,d,m;
bool solve(int mid) {
	for(int i=1;i<=m;i++) {
		while (!q[i].empty()) q[i].pop();
	}
    for(int i=1;i<=n;i++) {
        q[arr[i]].push({arr[i]+d, i});
    }
    for(int i=1;i<m;i++) {
        while (q[i].size()>mid) {
            auto [a,b] = q[i].top(); q[i].pop();
            if (a<=i) return false;
            q[i+1].push({a, b});
        }
    }
    return q[m].size() <= mid;
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    cin >> m >> d >> n;
    for(int i=1;i<=n;i++) cin >> arr[i];
    int l = 1 , r = N + 100;
    while (l < r) {
        int mid = (l + r) / 2;
        if (solve(mid)) r = mid;
        else l = mid + 1;
    }
    cout << l << '\n';
    solve(l);
    for(int i=1;i<=m;i++) {
    	while (!q[i].empty()) {
    		auto [a,b] = q[i].top(); q[i].pop();
    		cout << b << ' ';
		}
		cout << "0\n";
	}
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'bool solve(int)':
jobs.cpp:16:27: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |         while (q[i].size()>mid) {
      |                ~~~~~~~~~~~^~~~
jobs.cpp:22:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |     return q[m].size() <= mid;
      |            ~~~~~~~~~~~~^~~~~~

• Subtask 1: 0 / 100