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답안 #442251

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
442251 2021-07-07T10:43:26 Z cpp219 Job Scheduling (CEOI12_jobs) C++14
100 / 100
 244 ms 9796 KB 
#pragma GCC optimization O2
#pragma GCC optimization "unroll-loop"
#pragma target ("avx2")

#include <bits/stdc++.h>
#define ll int
#define ld long double
#define fs first
#define sc second
using namespace std;
typedef pair<ll,ll> LL;
const ll N = 1e6 + 9;
const ll Log2 = 20;
const ll inf = 1e9 + 7;

ll n,m,d,a[N],pos[N];

bool lf(ll x,ll y){
    return a[x] < a[y];
}

vector<ll> ans[100009];

bool chk(ll mid){
    ll cur = 1;
    for (ll day = 1;day <= n;day++){
        ll have = mid; ans[day].clear();
        while(have > 0 && cur <= m&&a[pos[cur]] <= day){
            if (day - a[pos[cur]] > d) return 0;
            //ans[day].push_back(pos[cur]);
            cur++; have--;
        }
    }
    return 1;
}

int main(){
    ios_base::sync_with_stdio(NULL); cin.tie(0); cout.tie(0);
    #define task "test"
    if (fopen(task".INP","r")){
        freopen(task".INP","r",stdin);
        //freopen(task".OUT","w",stdout);
    }
    cin>>n>>d>>m;
    for (ll i = 1;i <= m;i++) cin>>a[i],pos[i] = i;
    sort(pos + 1,pos + m + 1,lf);
    ll l,mid,h; l = 1; h = m;
    //cout<<chk(2); return 0;
    while(l <= h){
        mid = (l + h)/2;
        if (chk(mid)) h = mid - 1;
        else l = mid + 1;
    }
    cout<<l<<"\n"; chk(l); //return 0;
    for (ll i = 1;i <= n;i++){
        for (auto j : ans[i]) cout<<j<<" "; cout<<"0\n";
    }
}

Compilation message

jobs.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization O2
      | 
jobs.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
jobs.cpp:3: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    3 | #pragma target ("avx2")
      | 
jobs.cpp: In function 'int main()':
jobs.cpp:56:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   56 |         for (auto j : ans[i]) cout<<j<<" "; cout<<"0\n";
      |         ^~~
jobs.cpp:56:45: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   56 |         for (auto j : ans[i]) cout<<j<<" "; cout<<"0\n";
      |                                             ^~~~
jobs.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         freopen(task".INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 3416 KB Output is correct
2 Correct 15 ms 3464 KB Output is correct
3 Correct 20 ms 3468 KB Output is correct
4 Correct 19 ms 3472 KB Output is correct
5 Correct 16 ms 3412 KB Output is correct
6 Correct 15 ms 3404 KB Output is correct
7 Correct 15 ms 3376 KB Output is correct
8 Correct 16 ms 3404 KB Output is correct
9 Correct 24 ms 3592 KB Output is correct
10 Correct 25 ms 3596 KB Output is correct
11 Correct 23 ms 3404 KB Output is correct
12 Correct 52 ms 4172 KB Output is correct
13 Correct 76 ms 5008 KB Output is correct
14 Correct 112 ms 5716 KB Output is correct
15 Correct 126 ms 6576 KB Output is correct
16 Correct 174 ms 7348 KB Output is correct
17 Correct 216 ms 8040 KB Output is correct
18 Correct 211 ms 8856 KB Output is correct
19 Correct 244 ms 9796 KB Output is correct
20 Correct 223 ms 8060 KB Output is correct