Submission #48413

#	Time	Username	Problem	Language	Result	Execution time	Memory
48413		updown1	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	155 ms	31308 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, 0, M)
#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, inp[MAXN];

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

main() {
    //ifstream cin("test.in");
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> N >> D >> N;
    ffi cin >> inp[i];
    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;
}

Compilation message (stderr)

jobs.cpp:32:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

• Subtask 1: 0 / 100