# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
90935 |
2018-12-25T09:02:25 Z |
toloraia |
Gift (IZhO18_nicegift) |
C++14 |
|
2000 ms |
71208 KB |
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
using namespace std;
const ll N = 5e5 + 5, INF = 1e9 + 5;
ll n, k;
pair < ll, ll > P[N];
ll nn;
vector < ll > V[N], v;
ll S;
main()
{
ios::sync_with_stdio(false);
cin>>n>>k;
for (ll i = 1; i <= n; i++){
cin>>P[i].F;
P[i].S = i;
S += P[i].F;
}
sort (P + 1, P + n + 1);
reverse (P + 1, P + n + 1);
if (S <= 1e5){
while (P[k].F > 0){
ll I1 = k, I2 = k;
for (ll i = 20; i >= 0; i--){
if (I1 - (1<<i) <= 0)
continue;
if (P[I1 - (1<<i)].F == P[k].F)
I1 -= (1<<i);
}
for (ll i = 20; i >= 0; i--){
if (I2 + (1<<i) > n)
continue;
if (P[I2 + (1<<i)].F == P[k].F)
I2 += (1<<i);
}
v.clear();
for (ll i = 1; i < I1; i++){
v.pb (P[i].S);
P[i].F--;
}
for (ll i = I2; (ll)v.size() < k; i--){
v.pb (P[i].S);
P[i].F--;
}
V[++nn] = v;
}
if (P[1].F > 0){
cout<<-1<<endl;
return 0;
}
cout<<nn<<endl;
for (ll i = 1; i <= nn; i++){
cout<<"1 ";
for (ll j = 0; j < k; j++)
cout<<V[i][j]<<" ";
cout<<endl;
}
return 0;
}
if (P[1].F == P[n].F){
ll d = __gcd (n, k);
ll m = k / d;
if (P[1].F % m != 0){
cout<<-1<<endl;
return 0;
}
ll p = P[1].F / m;
cout<<(n - k - n % k) / k + (k + n % k) / d<<endl;
for (ll i = 1; i <= k + n % k; i += d){
cout<<p<<" ";
for (ll j = i; j < i + k; j++)
cout<<(j - 1) % n + 1<<" ";
cout<<endl;
}
for (int i = 1; i <= n - k - n % k; i += k){
cout<<P[1].F<<" ";
for (int j = i; j < i + k; j++)
cout<<(k + n % k + j - 1) % n + 1<<" ";
cout<<endl;
}
return 0;
}
return 0;
}
Compilation message
nicegift.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main()
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12152 KB |
n=4 |
2 |
Correct |
12 ms |
12268 KB |
n=3 |
3 |
Correct |
12 ms |
12304 KB |
n=3 |
4 |
Correct |
12 ms |
12304 KB |
n=4 |
5 |
Correct |
11 ms |
12304 KB |
n=4 |
6 |
Correct |
12 ms |
12304 KB |
n=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12152 KB |
n=4 |
2 |
Correct |
12 ms |
12268 KB |
n=3 |
3 |
Correct |
12 ms |
12304 KB |
n=3 |
4 |
Correct |
12 ms |
12304 KB |
n=4 |
5 |
Correct |
11 ms |
12304 KB |
n=4 |
6 |
Correct |
12 ms |
12304 KB |
n=2 |
7 |
Correct |
11 ms |
12304 KB |
n=5 |
8 |
Correct |
12 ms |
12564 KB |
n=8 |
9 |
Correct |
34 ms |
12820 KB |
n=14 |
10 |
Correct |
26 ms |
12820 KB |
n=11 |
11 |
Correct |
100 ms |
15416 KB |
n=50000 |
12 |
Correct |
98 ms |
15416 KB |
n=50000 |
13 |
Correct |
86 ms |
15416 KB |
n=10 |
14 |
Correct |
74 ms |
15416 KB |
n=685 |
15 |
Correct |
81 ms |
15416 KB |
n=623 |
16 |
Correct |
49 ms |
15416 KB |
n=973 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12152 KB |
n=4 |
2 |
Correct |
12 ms |
12268 KB |
n=3 |
3 |
Correct |
12 ms |
12304 KB |
n=3 |
4 |
Correct |
12 ms |
12304 KB |
n=4 |
5 |
Correct |
11 ms |
12304 KB |
n=4 |
6 |
Correct |
12 ms |
12304 KB |
n=2 |
7 |
Correct |
11 ms |
12304 KB |
n=5 |
8 |
Correct |
12 ms |
12564 KB |
n=8 |
9 |
Correct |
34 ms |
12820 KB |
n=14 |
10 |
Correct |
26 ms |
12820 KB |
n=11 |
11 |
Correct |
100 ms |
15416 KB |
n=50000 |
12 |
Correct |
98 ms |
15416 KB |
n=50000 |
13 |
Correct |
86 ms |
15416 KB |
n=10 |
14 |
Correct |
74 ms |
15416 KB |
n=685 |
15 |
Correct |
81 ms |
15416 KB |
n=623 |
16 |
Correct |
49 ms |
15416 KB |
n=973 |
17 |
Correct |
64 ms |
15416 KB |
n=989 |
18 |
Correct |
24 ms |
15416 KB |
n=563 |
19 |
Correct |
24 ms |
15416 KB |
n=592 |
20 |
Correct |
26 ms |
15416 KB |
n=938 |
21 |
Correct |
28 ms |
15416 KB |
n=747 |
22 |
Correct |
64 ms |
15416 KB |
n=991 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2059 ms |
71208 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12152 KB |
n=4 |
2 |
Correct |
12 ms |
12268 KB |
n=3 |
3 |
Correct |
12 ms |
12304 KB |
n=3 |
4 |
Correct |
12 ms |
12304 KB |
n=4 |
5 |
Correct |
11 ms |
12304 KB |
n=4 |
6 |
Correct |
12 ms |
12304 KB |
n=2 |
7 |
Correct |
11 ms |
12304 KB |
n=5 |
8 |
Correct |
12 ms |
12564 KB |
n=8 |
9 |
Correct |
34 ms |
12820 KB |
n=14 |
10 |
Correct |
26 ms |
12820 KB |
n=11 |
11 |
Correct |
100 ms |
15416 KB |
n=50000 |
12 |
Correct |
98 ms |
15416 KB |
n=50000 |
13 |
Correct |
86 ms |
15416 KB |
n=10 |
14 |
Correct |
74 ms |
15416 KB |
n=685 |
15 |
Correct |
81 ms |
15416 KB |
n=623 |
16 |
Correct |
49 ms |
15416 KB |
n=973 |
17 |
Correct |
64 ms |
15416 KB |
n=989 |
18 |
Correct |
24 ms |
15416 KB |
n=563 |
19 |
Correct |
24 ms |
15416 KB |
n=592 |
20 |
Correct |
26 ms |
15416 KB |
n=938 |
21 |
Correct |
28 ms |
15416 KB |
n=747 |
22 |
Correct |
64 ms |
15416 KB |
n=991 |
23 |
Execution timed out |
2059 ms |
71208 KB |
Time limit exceeded |
24 |
Halted |
0 ms |
0 KB |
- |