제출 #418132

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
418132		freshmintt	Job Scheduling (CEOI12_jobs)	C++11	0 / 100	3 ms	332 KiB

jobs

#include<bits/stdc++.h>
#define MAXN 10 //change
using namespace std;
typedef pair<long long,long long> pi;
typedef long long ll;
typedef long double ld;
ll N, D, M;

#define FIO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
ll jobs[MAXN];
ll days[MAXN];

bool works(ll machs) {
  fill(days, days+MAXN, 0);
  for (int i=0; i < N; i++) {
    ll machID = i % machs;
    days[machID]++;
    if ((days[machID] - jobs[i]) > D) return false;
  }
  return true;
}

int main() { 
  freopen("in", "r", stdin); // comment out
  FIO;
  cin >> N >> D >> M;

  
  for (int i = 0; i < N; i ++) cin >> jobs[i];

  ll a = 1; ll b = 1E9; ll mid;
  while (a != b) {
    mid = (a+b)/2;
    if (works(mid)) {
      b = mid;
    }
    else {
      a = mid + 1;
    }
  }

  cout << mid;



}   

컴파일 시 표준 에러 (stderr) 메시지

jobs.cpp: In function 'int main()':
jobs.cpp:25:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |   freopen("in", "r", stdin); // comment out
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~

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