#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define f first
#define s second
#define REP(i,n) for (int i = 0; i<n; ++i)
#define pii pair<int, int>
#define SZ(x) (int)((x).size())
#define ALL(x) x.begin(), x.end()
#define pb push_back
#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<": "<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x){cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S && ...y){cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif // BALBIT
const int maxn = 2e6+6;
ll a[maxn];
void GG(){cout<<-1<<endl; exit(0);}
int fr[maxn];
signed main(){
ios::sync_with_stdio(0), cin.tie(0);
bug(1,2);
ll n,k; cin>>n>>k;
ll sig = 0;
vector<pair<int, pii> > v;
ll now = 0, h = 0;
REP(i,n) {
cin>>a[i]; sig+=a[i];
}
if (sig % k != 0) {
GG();
}
ll gp = sig / k;
REP(i,n){
v.pb({now, {h, i}});
now += a[i];
if (a[i] > gp) GG();
bug(now, gp, h);
if (now >= gp) {
now -= gp; ++h;
if (now >= gp) GG();
if (now) {
v.pb({0, {h, i}});
}
}
}
int prv = 0;
v.pb({gp, {-1, -1}});
sort(ALL(v));
int fofo = 0;
REP(i,SZ(v)) {
if (v[i].f != prv) ++fofo;
prv = v[i].f;
}
cout<<fofo<<endl;
prv = 0;
for (auto e : v) {
int df = e.f - prv;
if (df) {
cout<<df<<' ';
REP(i,k) {
cout<<fr[i]<<' ';
}
cout<<'\n';
}
if(~e.s.f) {
fr[e.s.f] = e.s.s+1;
}
prv = e.f;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
1 ms |
364 KB |
n=3 |
3 |
Correct |
1 ms |
364 KB |
n=3 |
4 |
Correct |
1 ms |
512 KB |
n=4 |
5 |
Correct |
1 ms |
512 KB |
n=4 |
6 |
Correct |
1 ms |
364 KB |
n=2 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
1 ms |
364 KB |
n=3 |
3 |
Correct |
1 ms |
364 KB |
n=3 |
4 |
Correct |
1 ms |
512 KB |
n=4 |
5 |
Correct |
1 ms |
512 KB |
n=4 |
6 |
Correct |
1 ms |
364 KB |
n=2 |
7 |
Correct |
1 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
0 ms |
364 KB |
n=14 |
10 |
Correct |
1 ms |
364 KB |
n=11 |
11 |
Correct |
22 ms |
2656 KB |
n=50000 |
12 |
Correct |
21 ms |
2656 KB |
n=50000 |
13 |
Correct |
1 ms |
364 KB |
n=10 |
14 |
Correct |
1 ms |
364 KB |
n=685 |
15 |
Correct |
1 ms |
364 KB |
n=623 |
16 |
Correct |
1 ms |
384 KB |
n=973 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
1 ms |
364 KB |
n=3 |
3 |
Correct |
1 ms |
364 KB |
n=3 |
4 |
Correct |
1 ms |
512 KB |
n=4 |
5 |
Correct |
1 ms |
512 KB |
n=4 |
6 |
Correct |
1 ms |
364 KB |
n=2 |
7 |
Correct |
1 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
0 ms |
364 KB |
n=14 |
10 |
Correct |
1 ms |
364 KB |
n=11 |
11 |
Correct |
22 ms |
2656 KB |
n=50000 |
12 |
Correct |
21 ms |
2656 KB |
n=50000 |
13 |
Correct |
1 ms |
364 KB |
n=10 |
14 |
Correct |
1 ms |
364 KB |
n=685 |
15 |
Correct |
1 ms |
364 KB |
n=623 |
16 |
Correct |
1 ms |
384 KB |
n=973 |
17 |
Correct |
1 ms |
364 KB |
n=989 |
18 |
Correct |
1 ms |
364 KB |
n=563 |
19 |
Correct |
2 ms |
492 KB |
n=592 |
20 |
Correct |
2 ms |
492 KB |
n=938 |
21 |
Correct |
1 ms |
492 KB |
n=747 |
22 |
Correct |
2 ms |
492 KB |
n=991 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
539 ms |
46372 KB |
n=1000000 |
2 |
Correct |
273 ms |
30292 KB |
n=666666 |
3 |
Correct |
163 ms |
17088 KB |
n=400000 |
4 |
Correct |
311 ms |
26944 KB |
n=285714 |
5 |
Correct |
8 ms |
1384 KB |
n=20000 |
6 |
Correct |
269 ms |
21584 KB |
n=181818 |
7 |
Correct |
5 ms |
940 KB |
n=10000 |
8 |
Correct |
31 ms |
2348 KB |
n=6666 |
9 |
Correct |
2 ms |
620 KB |
n=4000 |
10 |
Correct |
172 ms |
9964 KB |
n=2857 |
11 |
Correct |
1 ms |
492 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
1 ms |
364 KB |
n=3 |
3 |
Correct |
1 ms |
364 KB |
n=3 |
4 |
Correct |
1 ms |
512 KB |
n=4 |
5 |
Correct |
1 ms |
512 KB |
n=4 |
6 |
Correct |
1 ms |
364 KB |
n=2 |
7 |
Correct |
1 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
0 ms |
364 KB |
n=14 |
10 |
Correct |
1 ms |
364 KB |
n=11 |
11 |
Correct |
22 ms |
2656 KB |
n=50000 |
12 |
Correct |
21 ms |
2656 KB |
n=50000 |
13 |
Correct |
1 ms |
364 KB |
n=10 |
14 |
Correct |
1 ms |
364 KB |
n=685 |
15 |
Correct |
1 ms |
364 KB |
n=623 |
16 |
Correct |
1 ms |
384 KB |
n=973 |
17 |
Correct |
1 ms |
364 KB |
n=989 |
18 |
Correct |
1 ms |
364 KB |
n=563 |
19 |
Correct |
2 ms |
492 KB |
n=592 |
20 |
Correct |
2 ms |
492 KB |
n=938 |
21 |
Correct |
1 ms |
492 KB |
n=747 |
22 |
Correct |
2 ms |
492 KB |
n=991 |
23 |
Correct |
539 ms |
46372 KB |
n=1000000 |
24 |
Correct |
273 ms |
30292 KB |
n=666666 |
25 |
Correct |
163 ms |
17088 KB |
n=400000 |
26 |
Correct |
311 ms |
26944 KB |
n=285714 |
27 |
Correct |
8 ms |
1384 KB |
n=20000 |
28 |
Correct |
269 ms |
21584 KB |
n=181818 |
29 |
Correct |
5 ms |
940 KB |
n=10000 |
30 |
Correct |
31 ms |
2348 KB |
n=6666 |
31 |
Correct |
2 ms |
620 KB |
n=4000 |
32 |
Correct |
172 ms |
9964 KB |
n=2857 |
33 |
Correct |
1 ms |
492 KB |
n=2000 |
34 |
Correct |
13 ms |
1764 KB |
n=23514 |
35 |
Correct |
13 ms |
1764 KB |
n=23514 |
36 |
Correct |
1 ms |
364 KB |
n=940 |
37 |
Correct |
1 ms |
364 KB |
n=2 |
38 |
Correct |
74 ms |
7260 KB |
n=100000 |
39 |
Correct |
75 ms |
7260 KB |
n=100000 |
40 |
Correct |
1 ms |
364 KB |
n=10 |
41 |
Correct |
1 ms |
364 KB |
n=100 |
42 |
Correct |
5 ms |
620 KB |
n=1000 |
43 |
Correct |
508 ms |
56228 KB |
n=1000000 |
44 |
Correct |
709 ms |
59812 KB |
n=1000000 |
45 |
Correct |
462 ms |
45348 KB |
n=666666 |
46 |
Correct |
356 ms |
33856 KB |
n=400000 |
47 |
Correct |
173 ms |
9708 KB |
n=2336 |
48 |
Correct |
308 ms |
29888 KB |
n=285714 |
49 |
Correct |
269 ms |
24016 KB |
n=181818 |
50 |
Correct |
202 ms |
14048 KB |
n=40000 |
51 |
Correct |
205 ms |
12516 KB |
n=20000 |
52 |
Correct |
177 ms |
10984 KB |
n=10000 |
53 |
Correct |
176 ms |
10540 KB |
n=6666 |
54 |
Correct |
176 ms |
10156 KB |
n=4000 |
55 |
Correct |
192 ms |
9964 KB |
n=2857 |
56 |
Correct |
171 ms |
9452 KB |
n=2000 |