#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define pob pop_back
#define lob lower_bound
#define upb upper_bound
#define bin binary_search
#define endl "\n"
#define tos to_string
ll n,m,d;
vector<vector<ll>>arr;
bool val(ll x){
int cnt1=0,cnt2=1;
for (int i = 0; i < n-d; ++i) {
cnt1=0;
for(auto elt :arr[i]){
if(cnt1<x){
cnt1++;
continue;
}
cnt2++;
}
if ((cnt2/x==d&&cnt2%x>0)||cnt2/x>d)
return 0;
}
return 1;
}
int main() {
//the booster of input and output :
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
// freopen("perimeter.in","r",stdin);
// freopen("perimeter.out","w",stdout);
//the body :
cin>>n>>d>>m;
arr.resize(n-d);
for (int i = 0; i < m; ++i) {
int x;
cin>> x;
arr[--x].pb(i);
}
ll l=0,r=1e9,mid;
while (l+1<r){
mid=(l+r)/2;
if(val(mid)){
r=mid;
}
else{
l=mid;
}
}
cout << r << endl;
int cnt=0;
for (int i = 0; i < n-d; ++i) {
for(auto elt :arr[i]){
cout << elt+1 << ' ';
cnt++;
if (cnt%r==0)
cout << 0 << endl;
}
}
return 0;
}
Compilation message
jobs.cpp: In function 'bool val(long long int)':
jobs.cpp:26:18: warning: unused variable 'elt' [-Wunused-variable]
26 | for(auto elt :arr[i]){
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
15 ms |
2260 KB |
Output isn't correct |
2 |
Incorrect |
13 ms |
2264 KB |
Output isn't correct |
3 |
Incorrect |
13 ms |
2384 KB |
Output isn't correct |
4 |
Incorrect |
14 ms |
2260 KB |
Output isn't correct |
5 |
Incorrect |
14 ms |
2264 KB |
Output isn't correct |
6 |
Incorrect |
16 ms |
2252 KB |
Output isn't correct |
7 |
Incorrect |
14 ms |
2260 KB |
Output isn't correct |
8 |
Incorrect |
13 ms |
2428 KB |
Output isn't correct |
9 |
Incorrect |
22 ms |
5072 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
24 ms |
4684 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
14 ms |
2392 KB |
Output isn't correct |
12 |
Incorrect |
27 ms |
4352 KB |
Output isn't correct |
13 |
Incorrect |
39 ms |
7760 KB |
Output isn't correct |
14 |
Incorrect |
64 ms |
10312 KB |
Output isn't correct |
15 |
Incorrect |
71 ms |
11600 KB |
Output isn't correct |
16 |
Incorrect |
94 ms |
15256 KB |
Output isn't correct |
17 |
Incorrect |
109 ms |
18728 KB |
Output isn't correct |
18 |
Incorrect |
101 ms |
17956 KB |
Output isn't correct |
19 |
Incorrect |
126 ms |
21148 KB |
Output isn't correct |
20 |
Incorrect |
109 ms |
18768 KB |
Output isn't correct |