제출 #693477

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
693477		ojuzuser12	Job Scheduling (CEOI12_jobs)	C++17	49 / 100	236 ms	15688 KiB

jobs

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    long long N, D, M; cin >> N >> D >> M;
    vector<pair<int, int>> jobs(M);
    for(int i = 0; i < M; i++) {
        cin >> jobs[i].first;
        jobs[i].second = i;
    }
    sort(jobs.begin(), jobs.end());
    long long l = 1, r = M, mid;
    while(l < r) {
        mid = (l + r) / 2;
        bool works = ((M + mid - 1) / mid <= N);
        int i = 0;
        for(long long d = 0; d < N; d++) {
            for(long long c = 0; c < mid; c++) {
                if(d + 1 < jobs[i].first) break;
                if(i >= M) break;
                if(d + 1 - jobs[i].first > D) {
                    works = false;
                    break;
                }
                i++;
            }
            if(!works) break;
        }
        if(works) {
            r = mid;
        } else {
            l = mid + 1;
        }
    }
    cout << r << '\n';
    int i = 0;
    for(long long d = 0; d < N; d++) {
        for(long long c = 0; c < mid; c++) {
            if(d + 1 < jobs[i].first) break;
            if(i >= M) break;
            cout << jobs[i].second + 1 << ' ';
            i++;
        }
        cout << 0 << '\n';
    }
}

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp: In function 'int main()':
jobs.cpp:14:29: warning: 'mid' may be used uninitialized in this function [-Wmaybe-uninitialized]
   14 |     long long l = 1, r = M, mid;
      |                             ^~~

• Subtask 1: 49 / 100