Submission #743321

#	Time	Username	Problem	Language	Result	Execution time	Memory
743321		vjudge1	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	492 ms	58356 KiB

jobs

#include<bits/stdc++.h>
#define int long long

using namespace std;

struct deads
{
    int day,work,dead;
    bool operator<(const deads&d2)const{
        if(day==d2.day) return work>d2.work;
        return day<d2.day;
    }
};

vector<deads> vc,copys;
int n,d,m,a;
int l = 1,ans = 1e14,r = 1e14;

signed main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin>>n>>d>>m;
    for(int i = 1; i<=m; ++i){
        cin>>a;
        vc.push_back({a,i,a+d});
    }
    sort(vc.begin(), vc.end());
    for(auto [day,work,dead]:vc){
        copys.push_back({day,work,dead});
    }
    while(l<r){
        int mid = (l+r)>>1;
        int cnt = 0;
        bool ck = 0;
        int ps = 0;
        for(int i = 0; i<vc.size(); ++i){
            if(vc[i].day+ps>vc[i].dead){
                ck = 1;
                break;
            }
            if(cnt==mid){
                cnt = 0;
                ps++;
            }
            ++cnt;
        }
        if(ck){
            l = mid+1;
        }
        else{
            ans = min(ans,mid);
            r = mid-1;
        }
        for(int i = 0; i<copys.size(); ++i){
            vc[i] = copys[i];
        }
    }
    int k = ans/2;
    cout<<k<<"\n";
    int cnt = 0,c = 0;
    for(auto [day,work,dead]:vc){
        if(cnt==k){
            cnt = 0;
            ++c;
            cout<<0<<"\n";
        }
        ++cnt;
        cout<<work<<" ";
    }
    if(vc.size()%k) {
        cout<<"0\n";
        ++c;
    }
    for(int i = 0; i<n-c; ++i) cout<<0<<"\n";
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:36:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<deads>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int i = 0; i<vc.size(); ++i){
      |                        ~^~~~~~~~~~
jobs.cpp:54:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<deads>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for(int i = 0; i<copys.size(); ++i){
      |                        ~^~~~~~~~~~~~~

• Subtask 1: 0 / 100