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Submission #112868

# Submission time Handle Problem Language Result Execution time Memory
112868 2019-05-22T10:54:12 Z Hassoony Job Scheduling (CEOI12_jobs) C++17
85 / 100
 662 ms 34344 KB 
#include <bits/stdc++.h>

using namespace std;
const int MX=1e5+9;
int n,m,d,a[MX],b[MX];
bool check(int mach){
    for(int i=1;i<=n;i++)a[i]=b[i];
    multiset<int>ms;
    int last=0;
    for(int i=1;i<=2*n;i++){
        mach+=last;
        last=0;
        while(mach&&!ms.empty()){
            if(*ms.begin()<i)return 0;
            ms.erase(ms.begin());
            mach--;
            last++;
        }
        while(mach&&a[i]){
            mach--;
            a[i]--;
            last++;
        }
        while(a[i]){
            ms.insert(i+d);
            a[i]--;
        }
    }
    return 1;
}
int bn(int l,int r){
    int ans=m;
    while(l<=r){
        int mid=(l+r)/2;
        if(check(mid)){
            r=mid-1;
            ans=mid;
        }
        else l=mid+1;
    }
    return ans;
}
vector<int>v[MX],v1[MX];
void fix(int mach){
    for(int i=1;i<=n;i++)a[i]=b[i];
    multiset<pair<int,int> >ms;
    int last=0;
    for(int i=1;i<=2*n;i++){
        mach+=last;
        last=0;
        while(mach&&!ms.empty()){
            v[i].push_back(ms.begin()->second);
            ms.erase(ms.begin());
            mach--;
            last++;
        }
        while(mach&&v1[i].size()){
            mach--;
            v[i].push_back(v1[i].back());
            v1[i].pop_back();
            last++;
        }
        while(v1[i].size()){
            ms.insert({i+d,v1[i].back()});
            v1[i].pop_back();
        }
    }
    for(int i=1;i<=n;i++){
        for(auto pp:v[i]){
            cout<<pp<<" ";
        }
        puts("0");
    }
}
int main(){
    cin>>n>>d>>m;
    for(int i=1;i<=m;i++){
        int x;
        scanf("%d",&x);
        a[x]++;
        v1[x].push_back(i);
    }
    for(int i=1;i<=n;i++)b[i]=a[i];
//    check(1);
    int ans=bn(1,m);
    cout<<ans<<endl;
    fix(ans);
}
/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
*/

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:79:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x);
         ~~~~~^~~~~~~~~

Subtask #1
85.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 9292 KB Output is correct
2 Correct 155 ms 9300 KB Output is correct
3 Correct 156 ms 9484 KB Output is correct
4 Correct 154 ms 9456 KB Output is correct
5 Correct 156 ms 9452 KB Output is correct
6 Correct 154 ms 9460 KB Output is correct
7 Correct 155 ms 9328 KB Output is correct
8 Correct 156 ms 9380 KB Output is correct
9 Incorrect 30 ms 8952 KB Output isn't correct
10 Incorrect 29 ms 8960 KB Output isn't correct
11 Correct 49 ms 7032 KB Output is correct
12 Correct 204 ms 9900 KB Output is correct
13 Correct 198 ms 12280 KB Output is correct
14 Correct 335 ms 16504 KB Output is correct
15 Correct 147 ms 15096 KB Output is correct
16 Correct 216 ms 18352 KB Output is correct
17 Correct 390 ms 23416 KB Output is correct
18 Correct 662 ms 22264 KB Output is correct
19 Runtime error 236 ms 34344 KB Memory limit exceeded (if you are sure your verdict is not MLE, please contact us)
20 Correct 393 ms 23416 KB Output is correct