Submission #32301

#	Time	Username	Problem	Language	Result	Execution time	Memory
32301		imaxblue	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	393 ms	9644 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() (rand() >> 3)*rand()

int n, k, t, a, lo, hi=1000000, mid;
vector<int> v[100005];
bool f;
queue<pii> q;
bool check(int L){
    while(!q.empty()) q.pop();
    fox1(l, n){
        fox(l2, v[l].size()) q.push(mp(l, v[l][l2]));
        for(int l2=0; l2<L && q.size(); ++l2){
            if (l-q.front().x>k) return 0;
            if (f)
                printf("%i ", q.front().y+1);
            q.pop();
        }
        if (f)
            printf("0\n");
    }
    return 1;
}
int main(){
    scanf("%i%i%i", &n, &k, &t);
    fox(l, t){
        scanf("%i", &a);
        v[a].pb(l);
    }
    while(lo<hi){
        mid=(lo+hi)/2;
        if (check(mid)) hi=mid;
        else lo=mid+1;
    }
    f=1;
    printf("%i\n", lo);
    check(lo);
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'bool check(int)':
jobs.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fox(k, x) for (int k=0; k<x; ++k)
                                  ^
jobs.cpp:34:9: note: in expansion of macro 'fox'
         fox(l2, v[l].size()) q.push(mp(l, v[l][l2]));
         ^
jobs.cpp: In function 'int main()':
jobs.cpp:47:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i%i%i", &n, &k, &t);
                                ^
jobs.cpp:49:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i", &a);
                        ^

• Subtask 1: 100 / 100