oj.uz

답안 #409911

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
409911 2021-05-21T19:01:40 Z Richw818 Job Scheduling (CEOI12_jobs) C++17
60 / 100
 303 ms 17172 KB 
/*
 *  Written by: Richw818
 *  Lang: C++17
 *  main.cpp
 */
#include <bits/stdc++.h>
using namespace std;
//Macros
#define ll long long
#define ull unsigned long long
#define uint unsigned int
#define pb push_back
#define pf push_front
#define eb emplace_back
#define ef emplace_front
#define str string
#define fi first
#define se second
#define REP(i, n) for(int i = 0; i < (int)n; ++i)
#define sz(a) (int)(a.size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
//IO
template<class H, class T> void read(pair<H, T> &p);
template<class T> void read(vector<T>& v);
template<class T> void read(T& t){
    cin >> t;
}
template<class H, class... T> void read(H& h, T&... t){
    read(h);
    read(t...);
}
template<class T> void read(vector<T>& v){
    for(auto &t : v)
        read(t);
}
template<class H, class T> void read(pair<H, T> &p){
    read(p.fi, p.se);
}
void setIn(str s){
    freopen(s.c_str(), "r", stdin);
}
void setOut(str s){
    freopen(s.c_str(), "w", stdout);
}
void setIO(str s = ""){
    if(!sz(s))
        return;
    setIn(s+".in");
    setOut(s+".out");
}
//Debug
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
template<class H, class... T> void dbg(H& h, T&... t){
    dbg(h);
    dbg(t...);
}
#ifndef ONLINE_JUDGE
#define dbg(x...) cerr << "[" << #x << "] = ["; _print(x);
#else
#define dbg(x...)
#endif
//Constants
ll MODS[2] = {1000000007, 998244353};
const ll MOD = MODS[0];
const ll INF = (ll)1e18;
const double PI = acos(-1.0);
const int MAXN = (int)3e5+7;
//Code
int n, d, m;
vector<pair<int,int>> jobs;
bool can(int mach){
    int day = 1, curr = 0;
    for(auto j : jobs){
        if(day > j.fi + d)
            return false;
        if(j.fi > day){
            curr = 0;
            ++day;
            continue;
        }
        ++curr;
        if(curr >= mach){
            ++day;
            curr = 0;
        }
    }
    return true;
}
void solve(){
    read(n, d, m);
    jobs.resize(m);
    REP(i, m){
        read(jobs[i].fi);
        jobs[i].se = i+1;
    }
    sort(all(jobs));
    int l = 1, r = m;
    while(l <= r){
        int mid = (l + r) / 2;
        bool val = can(mid);
        if(val)
            r = mid - 1;
        else
            l = mid + 1;
    }
    cout << l << '\n';
    int j = 0;
    for(int i = 1; i <= n; ++i){
        int curr = 0;
        while(j < m && curr < l && jobs[j].fi <= i){
            cout << jobs[j].se << ' ';
            ++curr;
            ++j;
        }
        cout << 0 << '\n';
    }
}
int main(){
    setIO();
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}
/* stuff you should look for
	* int overflow, array bounds
	* special cases (n=1?)
	* do smth instead of nothing and stay organized
	* WRITE STUFF DOWN
	* DON'T GET STUCK ON ONE APPROACH
*/

Compilation message

jobs.cpp: In function 'void setIn(std::string)':
jobs.cpp:41:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |     freopen(s.c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
jobs.cpp: In function 'void setOut(std::string)':
jobs.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     freopen(s.c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
60.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 26 ms 1968 KB Output isn't correct
2 Incorrect 24 ms 1912 KB Output isn't correct
3 Incorrect 24 ms 2024 KB Output isn't correct
4 Incorrect 24 ms 1916 KB Output isn't correct
5 Incorrect 30 ms 1916 KB Output isn't correct
6 Incorrect 24 ms 1916 KB Output isn't correct
7 Incorrect 24 ms 1940 KB Output isn't correct
8 Incorrect 24 ms 2000 KB Output isn't correct
9 Correct 39 ms 2036 KB Output is correct
10 Correct 38 ms 2116 KB Output is correct
11 Correct 32 ms 1968 KB Output is correct
12 Correct 63 ms 3916 KB Output is correct
13 Correct 103 ms 5716 KB Output is correct
14 Correct 148 ms 8028 KB Output is correct
15 Correct 169 ms 9460 KB Output is correct
16 Correct 201 ms 11964 KB Output is correct
17 Correct 233 ms 13884 KB Output is correct
18 Correct 268 ms 15140 KB Output is correct
19 Correct 303 ms 17172 KB Output is correct
20 Correct 239 ms 13892 KB Output is correct