oj.uz

Submission #25708

# Submission time Handle Problem Language Result Execution time Memory
25708 2017-06-23T18:58:50 Z gs14004 Job Scheduling (CEOI12_jobs) C++11
100 / 100
 416 ms 21104 KB 
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
#include <utility>
using namespace std;
typedef pair<int,int> pi;

vector<pi> p;
int n,d,m;
int a[1000005];
int v[100005];
vector<int> h[100005];

int f(int x){
    memset(v,0,sizeof(v));
    int head = 0;
    for (int i=0; i<m; i++) {
        head = max(head,p[i].first);
        while(v[head] >= x) head++;
        if(head > p[i].first + d) return 0;
        v[head]++;
    }
    return 1;
}

int main(){
    scanf("%d %d %d",&n,&d,&m);
    for (int i=0; i<m; i++) {
        scanf("%d",&a[i]);
        p.push_back(pi(a[i],i+1));
    }
    sort(p.begin(),p.end());
    int s = 0, e = m;
    while (s != e) {
        int m = (s+e)/2;
        if(f(m)) e = m;
        else s = m+1;
    }
    printf("%d\n",s);
    int head = 0;
    for (int i=0; i<m; i++) {
        head = max(head,p[i].first);
        while(h[head].size()>= s) head++;
        if(head > p[i].first + d) return 0;
        h[head].push_back(p[i].second);
    }
    for (int i=1; i<=n; i++) {
        for (int j=0; j<h[i].size(); j++) {
            printf("%d ",h[i][j]);
        }
        puts("0");
    }
}

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:44:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(h[head].size()>= s) head++;
                             ^
jobs.cpp:49:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j=0; j<h[i].size(); j++) {
                        ^
jobs.cpp:28:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&n,&d,&m);
                               ^
jobs.cpp:30:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
                          ^

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 9692 KB Output is correct
2 Correct 29 ms 9692 KB Output is correct
3 Correct 29 ms 9692 KB Output is correct
4 Correct 39 ms 9692 KB Output is correct
5 Correct 23 ms 9692 KB Output is correct
6 Correct 36 ms 9692 KB Output is correct
7 Correct 39 ms 9692 KB Output is correct
8 Correct 43 ms 9692 KB Output is correct
9 Correct 53 ms 9532 KB Output is correct
10 Correct 43 ms 9532 KB Output is correct
11 Correct 36 ms 9436 KB Output is correct
12 Correct 96 ms 10972 KB Output is correct
13 Correct 156 ms 14044 KB Output is correct
14 Correct 176 ms 14632 KB Output is correct
15 Correct 239 ms 14044 KB Output is correct
16 Correct 253 ms 20188 KB Output is correct
17 Correct 373 ms 21104 KB Output is correct
18 Correct 416 ms 20188 KB Output is correct
19 Correct 346 ms 20188 KB Output is correct
20 Correct 359 ms 21104 KB Output is correct