#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<str> vstr;
#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define rsz resize
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)
const double EPS = 1e-9;
const int MOD = 1e9+7; // 998244353;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};
#ifdef DEBUG
#define DBG if(1)
#else
#define DBG if(0)
#endif
#define dbg(x) cout << "(" << #x << " : " << x << ")" << endl;
// ostreams
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "["; REP(i, v.size()) out << v[i] << ", "; out << "]"; return out;}
// istreams
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
template<class T, class U>
istream& operator>>(istream& in, pair<T, U> &p){ in >> p.ff >> p.ss; return in; }
//searches
template<typename T, typename U>
T bsl(T lo, T hi, U f){ hi++; T mid; while(lo < hi){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid+1; } return lo; }
template<typename U>
double bsld(double lo, double hi, U f, double p = 1e-9){ int r = 3 + (int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid; } return (lo + hi)/2; }
template<typename T, typename U>
T bsh(T lo, T hi, U f){ lo--; T mid; while(lo < hi){ mid = (lo + hi + 1)/2; f(mid) ? lo = mid : hi = mid-1; } return lo; }
template<typename U>
double bshd(double lo, double hi, U f, double p = 1e-9){ int r = 3+(int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? lo = mid : hi = mid; } return (lo + hi)/2; }
// some more utility functions
template<typename T>
pair<T, int> get_min(vector<T> &v){ typename vector<T> :: iterator it = min_element(v.begin(), v.end()); return mp(*it, it - v.begin());}
template<typename T>
pair<T, int> get_max(vector<T> &v){ typename vector<T> :: iterator it = max_element(v.begin(), v.end()); return mp(*it, it - v.begin());}
template<typename T> bool ckmin(T& a, const T& b){return b < a ? a = b , true : false;}
template<typename T> bool ckmax(T& a, const T& b){return b > a ? a = b, true : false;}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int n, d, m;
cin >> n >> d >> m;
vector<array<int, 2>> a(m);
REP(i, m){
cin >> a[i][0]; a[i][1] = i + 1;
}
sort(all(a));
auto check = [&](int NM){
int pp = 0;
deque<int> dq;
bool can = true;
FOR(i, 1, n + 1, 1){
while(pp < a.size() && a[pp][0] <= i){
dq.push_back(a[pp][0]);
pp++;
}
REP(j, NM){
if(dq.empty()) break;
if(dq.front() + d < i) can = false;
dq.pop_front();
}
}
if(!dq.empty())
can = false;
return can;
};
int L = 1; int R = m;
int res = INF;
while(L <= R){
int mid = (L + R) >> 1;
if(check(mid)){
res = min(res, mid);
R = mid - 1;
}
else{
L = mid + 1;
}
}
vector<vi> ans(n + 1);
int pp = 0;
deque<int> dq;
FOR(i, 1, n + 1, 1){
while(pp < a.size() && a[pp][0] <= i){
dq.push_back(a[pp][1]);
pp++;
}
REP(j, res){
if(dq.empty()) break;
ans[i].pb(dq.front());
dq.pop_front();
}
}
cout << res << "\n";
FOR(i, 1, n + 1, 1){
REP(j, ans[i].size()){
cout << ans[i][j] << " ";
}
cout << 0 << "\n";
}
return 0;
}
Compilation message
jobs.cpp: In lambda function:
jobs.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
100 | while(pp < a.size() && a[pp][0] <= i){
| ~~~^~~~~~~~~~
jobs.cpp: In function 'int main()':
jobs.cpp:130:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
130 | while(pp < a.size() && a[pp][0] <= i){
| ~~~^~~~~~~~~~
jobs.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
| ^
jobs.cpp:28:18: note: in expansion of macro 'FOR'
28 | #define REP(i,b) FOR(i,0,b,1)
| ^~~
jobs.cpp:142:9: note: in expansion of macro 'REP'
142 | REP(j, ans[i].size()){
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
36 ms |
3164 KB |
Output is correct |
| 2 |
Correct |
44 ms |
3164 KB |
Output is correct |
| 3 |
Correct |
38 ms |
3164 KB |
Output is correct |
| 4 |
Correct |
36 ms |
3164 KB |
Output is correct |
| 5 |
Correct |
37 ms |
3164 KB |
Output is correct |
| 6 |
Correct |
45 ms |
3164 KB |
Output is correct |
| 7 |
Correct |
37 ms |
3164 KB |
Output is correct |
| 8 |
Correct |
37 ms |
3292 KB |
Output is correct |
| 9 |
Correct |
55 ms |
5076 KB |
Output is correct |
| 10 |
Correct |
56 ms |
5204 KB |
Output is correct |
| 11 |
Correct |
41 ms |
2668 KB |
Output is correct |
| 12 |
Correct |
85 ms |
5100 KB |
Output is correct |
| 13 |
Correct |
129 ms |
7916 KB |
Output is correct |
| 14 |
Correct |
180 ms |
11092 KB |
Output is correct |
| 15 |
Correct |
221 ms |
11628 KB |
Output is correct |
| 16 |
Correct |
273 ms |
14824 KB |
Output is correct |
| 17 |
Correct |
334 ms |
19304 KB |
Output is correct |
| 18 |
Correct |
363 ms |
19436 KB |
Output is correct |
| 19 |
Correct |
417 ms |
23660 KB |
Output is correct |
| 20 |
Correct |
327 ms |
19304 KB |
Output is correct |
