제출 #49080

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
49080		updown1	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	333 ms	32768 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, N)
#define ffj For(j, 1, M+1)
#define ffa ffi ffj
#define s <<" "<<
#define w cout
#define e "\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
//#define int ll
const int MAXN=1000000;//, INF=1000000000000000000;
///500,000,000
int D, N, M;
pair<int, int> inp[MAXN];

bool works(int m) {
    int day = 1;
    int lef = m;
    ffi {
        if (inp[i].a > day) day=inp[i].a, lef = m;
        if (inp[i].a + D < day) return false;
        lef--;
        if (lef == 0) day++, lef=m;
    }
    return true;
}

int main() {
    //ifstream cin("test.in");
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> M >> D >> N;
    ffi {cin >> inp[i].a; inp[i].b = i+1;}
    sort(inp, inp+N);
    int a=1, b=N;
    while (a != b) {
        int mid = (a+b)/2;
        if (works(mid)) b = mid;
        else a = mid+1;
    }
    w<< a<<e;
    int at = 0;
    ffj {
        int cnt = 0;
        while (at != N && inp[at].a <= j && cnt <a) {
            cnt++;
            w<< inp[at].b<< " ";
            at++;
        }
        w<< 0<<e;
    }
}

• Subtask 1: 100 / 100