oj.uz

답안 #638350

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
638350 2022-09-05T15:12:22 Z NONTAC Job Scheduling (CEOI12_jobs) C++11
100 / 100
 472 ms 20088 KB 
#include <bits/stdc++.h>
using namespace std;

typedef pair<int,int> ii;

int n,m,d;
ii a[1000000];
vector<vector<int> > ans(100001);
bool ok=false;

bool check(int x)
{
    int j=0;
    for(int i=1;i<=n;i++){
        int cnt=x;
        //if(a[j].first> i+d) continue;
        while(cnt && a[j].first + d >= i && j<m && a[j].first <= i){
            cnt--;
            if(ok) ans[i].push_back(a[j].second+1);
            j++;
            if(j==m){
                return true;
            }
        }
    }

    return false;
}

int last_true()
{
    int lo=1, hi=m;
    while(lo<hi){
        int mid=lo + (hi-lo)/2;
        if(check(mid)){
            hi=mid;
        }
        else{
            lo=mid+1;
        }
    }

    ok=true;
    check(lo);

    return lo;
}

int main()
{
    //freopen("test.in","r",stdin);
   // freopen("test.out","w",stdout);


    cin>>n>>d>>m;
    for(int i=0;i<m;i++){
        cin>>a[i].first;
        a[i].second=i;
    }

    sort(a,a+m);

    cout<<last_true()<<endl;

    for(int i=1;i<=n;i++){
        for(int j=0;j<ans[i].size();j++) cout<<ans[i][j]<<" ";
        cout<<0<<endl;
    }

    return 0;
}

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:66:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |         for(int j=0;j<ans[i].size();j++) cout<<ans[i][j]<<" ";
      |                     ~^~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 4548 KB Output is correct
2 Correct 44 ms 4488 KB Output is correct
3 Correct 40 ms 4468 KB Output is correct
4 Correct 40 ms 4460 KB Output is correct
5 Correct 43 ms 4564 KB Output is correct
6 Correct 42 ms 4488 KB Output is correct
7 Correct 42 ms 4576 KB Output is correct
8 Correct 42 ms 4484 KB Output is correct
9 Correct 155 ms 4668 KB Output is correct
10 Correct 149 ms 4812 KB Output is correct
11 Correct 41 ms 4512 KB Output is correct
12 Correct 83 ms 6460 KB Output is correct
13 Correct 119 ms 8892 KB Output is correct
14 Correct 183 ms 11116 KB Output is correct
15 Correct 197 ms 11936 KB Output is correct
16 Correct 259 ms 14220 KB Output is correct
17 Correct 318 ms 17952 KB Output is correct
18 Correct 325 ms 18504 KB Output is correct
19 Correct 472 ms 20088 KB Output is correct
20 Correct 312 ms 17976 KB Output is correct