제출 #92074

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92074		someone_aa	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	210 ms	3948 KiB

jobs

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 100100;
int n, d, m, x;
int arr[maxn];

bool check(int x) {
    deque<pair<int,int> > dq;
    for(int i=1;i<=n;i++) {
        dq.pb(mp(i, arr[i]));
        int value = x;

        /*cout<<"Before processing: \n";
        for(auto i:dq) {
            cout<<i.first<<" "<<i.second<<"\n";
        }*/

        while(value > 0 && dq.size()) {
            if(dq.front().first < i - d) return false;
            if(dq.front().second <= value) {
                value -= dq.front().second;
                dq.front().second = 0;
            }
            else {
                dq.front().second -= value;
                value = 0;
            }

            if(dq.front().second == 0) dq.pop_front();

        }

        /*cout<<"After processing: \n";
        for(auto i:dq) {
            cout<<i.first<<" "<<i.second<<"\n";
        }
        cout<<"--->\n";*/

    }
    return dq.size() == 0;
}

int main() {
    cin>>n>>d>>m;
    for(int i=1;i<=m;i++) {
        cin>>x;
        arr[x]++;
    }

    int li = 1, ri = m;
    int answ = INT_MAX;
    while(li < ri) {
        int mid = (li+ri)/2;
        if(check(mid)) ri = mid;
        else li = mid + 1;
    }
    cout<<li<<"\n";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp: In function 'int main()':
jobs.cpp:54:9: warning: unused variable 'answ' [-Wunused-variable]
     int answ = INT_MAX;
         ^~~~

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