제출 #377665

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
377665		vishesh312	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	348 ms	13932 KiB

jobs

#include "bits/stdc++.h"
using namespace std;
/*
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
*/

#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()

using ll = long long;
const int mod = 1e9+7;

vector<array<int, 2>> v;
int n, m, d;

bool chk(int x) {
    int k = 0;
    for (int i = 1; i <= n; ++i) {
        for (int j = 0; j < x and k < m; ++j) {
            if (i > v[k][0] + d) return false;
            if (i >= v[k][0]) ++k;
            else break;
        }
    }
    return 1;
}

void solve(int tc) {
    cin >> n >> d >> m;
    v.resize(m);
    for (int i = 0; i < m; ++i) {
        cin >> v[i][0];
        v[i][1] = i;
    }
    sort(all(v));
    int lo = 1, hi = m+1;
    int ans;
    while (lo < hi) {
        int mid = lo + (hi - lo) / 2;
//      cout << "mid : " << mid << '\n';
        if (chk(mid)) {
            ans = mid;
            hi = mid;
        } else lo = mid + 1;
    }
    cout << ans << '\n';
    int x = 0;
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < ans and x < m; ++j) {
            cout << v[x++][1] + 1 << " ";
        }
        cout << "0\n";
    }
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int tc = 1;
    //cin >> tc;
    for (int i = 1; i <= tc; ++i) solve(i);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp: In function 'void solve(int)':
jobs.cpp:39:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   39 |     int ans;
      |         ^~~

• Subtask 1: 100 / 100