Submission #441761

#TimeUsernameProblemLanguageResultExecution timeMemory
441761YuisuyunoJob Scheduling (CEOI12_jobs)C++14
95 / 100
325 ms34756 KiB
//Nguyen Huu Hoang Minh #include <bits/stdc++.h> #define pb push_back #define fi first #define se second #define N 1000001 #define ii pair<int, int> #define vi vector<int> #define int long long using namespace std; const int minf = -1e10; int n, m, d; vector<ii> a; void readfile() { ios_base::sync_with_stdio(false); cin.tie(0);cout.tie(0); cin >> n >> d >> m; a.resize(m+1); for(int i=1; i<=m; i++){ cin >> a[i].fi; a[i].se = i; } sort(a.begin(),a.end()); } bool ok(int machine){ int endT[machine] = {0}; int delays = minf; for(int i=1, cur=0; i<=m; i++, cur++){ if (cur==machine) cur=0; if (endT[cur]+1 > a[i].first){ endT[cur]++; delays = max(delays,endT[cur]-a[i].fi); } else endT[cur]=a[i].fi; } return delays <= d; } vector<int> res[100012]; void proc() { int l = 0, r = m, ans; while (r >= l){ int mid = (l+r)/2; if (ok(mid)){ r = mid-1; ans=mid; } else l = mid+1; } cout << ans << '\n'; int endT[ans+1] = {0}; for(int i=1, cur=0; i<=m; i++, cur++){ if (cur==ans) cur=0; endT[cur]=max(a[i].fi,endT[cur]+1); res[endT[cur]].pb(a[i].se); } for(int i=1; i<=n; i++){ for(int x : res[i]) cout << x << ' '; cout << "0\n"; } } signed main() { readfile(); proc(); return 0; }

Compilation message (stderr)

jobs.cpp: In function 'void proc()':
jobs.cpp:58:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |     int endT[ans+1] = {0};
      |         ^~~~
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