#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
vector < ll > A;
int MX,n,k;
ll One;
vector < pii > answer;
void G(int sz) {
while (A.size() <= sz)
A.pb(0ll);
}
int add1(int index) {
int ok = 0;
answer.pb(mp(1,index));
int lst = -1;
for (int i = 0;i < A.size();++i)
if (A[i] & (1ll << index))
lst = i;
for (int cs = 0,i = lst + 1;cs < k && i <= lst + k;++cs,++i) {
G(i);
A[i] |= 1ll << index;
if (A[i] == One) {
A.erase(A.begin() + i);
ok = 1;
--i;--lst;
}
}
return ok;
}
int add2(int index) {
int ok = 0;
answer.pb(mp(2,index));
int lst = -1;
for (int i = index;i < index + k;++i)
for (int j = 0;j < A.size() && (A[j] & (1ll << i));++j)
smax(lst,j);
G(++lst);
for (int i = index;i < index + k;++i)
A[lst] |= 1ll << i;
if (A[lst] == One)
A.erase(A.begin() + lst),ok = 1;
return ok;
}
int main(void) {
cin>>n>>k;
One = (1ll << n) - 1;
vi s(n);
for (auto & it : s)
cin>>it;
vi sum(k,0);
for (int i = 0;i < n;++i)
(sum[i % k] += s[i]) %= k;
int ok = 0;
for (int i = 0;i + 1 < (n % k);++i)
if (sum[i] != sum[i + 1])
return puts("-1") * 0;
for (int i = (n % k);i + 1 < k;++i)
if (sum[i] != sum[i + 1])
return puts("-1") * 0;
for (int i = 0;i < n;++i) {
G(s[i]);
for (int j = 0;j < s[i];++j)
A[j] |= 1ll << i;
}
for (int i = 1;i < n;++i) {
while (s[i - 1] > s[i]) {
add1(i);
s[i] += k;
}
}
for (int i = 0;i < A.size();++i) {
int w = -1;
while (w + 1 < n && !(A[i] & (1ll << (w + 1))))
++w;
while (w >= k - 1) {
if (add2(w - k + 1))
--i;
w -= k;
}
}
for (int i = 0;i < k - 1;++i) {
while (!A.empty() && !(A.back() & (1ll << i)))
add1(i);
}
while (!A.empty() && (A[0] & (1ll << (n % k)))) {
for (int i = 0;i < n;++i)
if (!(A[k - 1] & (1ll << i)))
add1(i);
}
if (!A.empty())
for (int i = 0;i < (n % k);++i)
while (!(A.back() & (1ll << i)))
add1(i);
while (!A.empty()) {
for (int i = (n % k);i < n;i += k)
add2(i);
}
cout << (answer.size()) << '\n';
for (auto it : answer)
cout << it.fi << ' ' << (it.se + 1) << '\n';
return 0;
}
Compilation message
joiris.cpp: In function 'void G(int)':
joiris.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (A.size() <= sz)
~~~~~~~~~^~~~~
joiris.cpp: In function 'int add1(int)':
joiris.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0;i < A.size();++i)
~~^~~~~~~~~~
joiris.cpp: In function 'int add2(int)':
joiris.cpp:48:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0;j < A.size() && (A[j] & (1ll << i));++j)
~~^~~~~~~~~~
joiris.cpp: In function 'int main()':
joiris.cpp:84:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0;i < A.size();++i) {
~~^~~~~~~~~~
joiris.cpp:103:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if (!A.empty())
^~
joiris.cpp:107:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
while (!A.empty()) {
^~~~~
joiris.cpp:66:9: warning: unused variable 'ok' [-Wunused-variable]
int ok = 0;
^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
3 ms |
380 KB |
Output is correct |
3 |
Correct |
3 ms |
444 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Correct |
2 ms |
572 KB |
Output is correct |
7 |
Correct |
2 ms |
572 KB |
Output is correct |
8 |
Correct |
2 ms |
572 KB |
Output is correct |
9 |
Correct |
3 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
600 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
2 ms |
652 KB |
Output is correct |
13 |
Correct |
3 ms |
652 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
672 KB |
Output is correct |
16 |
Correct |
2 ms |
696 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
700 KB |
Output is correct |
2 |
Correct |
2 ms |
704 KB |
Output is correct |
3 |
Correct |
2 ms |
704 KB |
Output is correct |
4 |
Correct |
2 ms |
704 KB |
Output is correct |
5 |
Correct |
2 ms |
716 KB |
Output is correct |
6 |
Correct |
2 ms |
736 KB |
Output is correct |
7 |
Correct |
3 ms |
736 KB |
Output is correct |
8 |
Correct |
2 ms |
736 KB |
Output is correct |
9 |
Correct |
2 ms |
764 KB |
Output is correct |
10 |
Correct |
2 ms |
764 KB |
Output is correct |
11 |
Correct |
3 ms |
772 KB |
Output is correct |
12 |
Correct |
3 ms |
776 KB |
Output is correct |
13 |
Correct |
4 ms |
776 KB |
Output is correct |
14 |
Correct |
2 ms |
784 KB |
Output is correct |
15 |
Correct |
3 ms |
784 KB |
Output is correct |
16 |
Correct |
3 ms |
784 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
3 ms |
380 KB |
Output is correct |
3 |
Correct |
3 ms |
444 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Correct |
2 ms |
572 KB |
Output is correct |
7 |
Correct |
2 ms |
572 KB |
Output is correct |
8 |
Correct |
2 ms |
572 KB |
Output is correct |
9 |
Correct |
3 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
600 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
2 ms |
652 KB |
Output is correct |
13 |
Correct |
3 ms |
652 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
672 KB |
Output is correct |
16 |
Correct |
2 ms |
696 KB |
Output is correct |
17 |
Correct |
3 ms |
784 KB |
Output is correct |
18 |
Correct |
2 ms |
784 KB |
Output is correct |
19 |
Correct |
2 ms |
800 KB |
Output is correct |
20 |
Correct |
3 ms |
800 KB |
Output is correct |
21 |
Correct |
3 ms |
800 KB |
Output is correct |
22 |
Correct |
2 ms |
816 KB |
Output is correct |
23 |
Correct |
4 ms |
828 KB |
Output is correct |
24 |
Correct |
3 ms |
832 KB |
Output is correct |
25 |
Correct |
5 ms |
832 KB |
Output is correct |
26 |
Correct |
3 ms |
832 KB |
Output is correct |
27 |
Correct |
4 ms |
860 KB |
Output is correct |
28 |
Correct |
2 ms |
860 KB |
Output is correct |
29 |
Correct |
3 ms |
868 KB |
Output is correct |
30 |
Correct |
2 ms |
868 KB |
Output is correct |
31 |
Correct |
3 ms |
868 KB |
Output is correct |
32 |
Correct |
2 ms |
868 KB |
Output is correct |
33 |
Correct |
2 ms |
868 KB |
Output is correct |
34 |
Correct |
2 ms |
868 KB |
Output is correct |
35 |
Correct |
2 ms |
868 KB |
Output is correct |
36 |
Correct |
2 ms |
868 KB |
Output is correct |
37 |
Correct |
3 ms |
900 KB |
Output is correct |
38 |
Correct |
3 ms |
900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
3 ms |
380 KB |
Output is correct |
3 |
Correct |
3 ms |
444 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Correct |
2 ms |
572 KB |
Output is correct |
7 |
Correct |
2 ms |
572 KB |
Output is correct |
8 |
Correct |
2 ms |
572 KB |
Output is correct |
9 |
Correct |
3 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
600 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
2 ms |
652 KB |
Output is correct |
13 |
Correct |
3 ms |
652 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
672 KB |
Output is correct |
16 |
Correct |
2 ms |
696 KB |
Output is correct |
17 |
Correct |
2 ms |
700 KB |
Output is correct |
18 |
Correct |
2 ms |
704 KB |
Output is correct |
19 |
Correct |
2 ms |
704 KB |
Output is correct |
20 |
Correct |
2 ms |
704 KB |
Output is correct |
21 |
Correct |
2 ms |
716 KB |
Output is correct |
22 |
Correct |
2 ms |
736 KB |
Output is correct |
23 |
Correct |
3 ms |
736 KB |
Output is correct |
24 |
Correct |
2 ms |
736 KB |
Output is correct |
25 |
Correct |
2 ms |
764 KB |
Output is correct |
26 |
Correct |
2 ms |
764 KB |
Output is correct |
27 |
Correct |
3 ms |
772 KB |
Output is correct |
28 |
Correct |
3 ms |
776 KB |
Output is correct |
29 |
Correct |
4 ms |
776 KB |
Output is correct |
30 |
Correct |
2 ms |
784 KB |
Output is correct |
31 |
Correct |
3 ms |
784 KB |
Output is correct |
32 |
Correct |
3 ms |
784 KB |
Output is correct |
33 |
Correct |
3 ms |
784 KB |
Output is correct |
34 |
Correct |
2 ms |
784 KB |
Output is correct |
35 |
Correct |
2 ms |
800 KB |
Output is correct |
36 |
Correct |
3 ms |
800 KB |
Output is correct |
37 |
Correct |
3 ms |
800 KB |
Output is correct |
38 |
Correct |
2 ms |
816 KB |
Output is correct |
39 |
Correct |
4 ms |
828 KB |
Output is correct |
40 |
Correct |
3 ms |
832 KB |
Output is correct |
41 |
Correct |
5 ms |
832 KB |
Output is correct |
42 |
Correct |
3 ms |
832 KB |
Output is correct |
43 |
Correct |
4 ms |
860 KB |
Output is correct |
44 |
Correct |
2 ms |
860 KB |
Output is correct |
45 |
Correct |
3 ms |
868 KB |
Output is correct |
46 |
Correct |
2 ms |
868 KB |
Output is correct |
47 |
Correct |
3 ms |
868 KB |
Output is correct |
48 |
Correct |
2 ms |
868 KB |
Output is correct |
49 |
Correct |
2 ms |
868 KB |
Output is correct |
50 |
Correct |
2 ms |
868 KB |
Output is correct |
51 |
Correct |
2 ms |
868 KB |
Output is correct |
52 |
Correct |
2 ms |
868 KB |
Output is correct |
53 |
Correct |
3 ms |
900 KB |
Output is correct |
54 |
Correct |
3 ms |
900 KB |
Output is correct |
55 |
Correct |
3 ms |
900 KB |
Output is correct |
56 |
Correct |
3 ms |
900 KB |
Output is correct |
57 |
Correct |
2 ms |
900 KB |
Output is correct |
58 |
Correct |
2 ms |
912 KB |
Output is correct |
59 |
Correct |
2 ms |
912 KB |
Output is correct |
60 |
Correct |
2 ms |
912 KB |
Output is correct |
61 |
Correct |
2 ms |
912 KB |
Output is correct |
62 |
Correct |
3 ms |
912 KB |
Output is correct |
63 |
Correct |
2 ms |
912 KB |
Output is correct |
64 |
Correct |
3 ms |
1096 KB |
Output is correct |
65 |
Correct |
2 ms |
1096 KB |
Output is correct |
66 |
Correct |
2 ms |
1096 KB |
Output is correct |
67 |
Correct |
2 ms |
1096 KB |
Output is correct |
68 |
Correct |
2 ms |
1096 KB |
Output is correct |
69 |
Correct |
2 ms |
1096 KB |
Output is correct |
70 |
Correct |
3 ms |
1096 KB |
Output is correct |
71 |
Correct |
4 ms |
1096 KB |
Output is correct |
72 |
Correct |
4 ms |
1096 KB |
Output is correct |
73 |
Correct |
5 ms |
1096 KB |
Output is correct |
74 |
Correct |
3 ms |
1096 KB |
Output is correct |
75 |
Correct |
4 ms |
1196 KB |
Output is correct |
76 |
Correct |
3 ms |
1196 KB |
Output is correct |
77 |
Correct |
3 ms |
1196 KB |
Output is correct |
78 |
Correct |
2 ms |
1196 KB |
Output is correct |
79 |
Correct |
2 ms |
1196 KB |
Output is correct |
80 |
Correct |
3 ms |
1196 KB |
Output is correct |
81 |
Correct |
9 ms |
1196 KB |
Output is correct |
82 |
Correct |
3 ms |
1196 KB |
Output is correct |
83 |
Correct |
3 ms |
1196 KB |
Output is correct |
84 |
Correct |
2 ms |
1196 KB |
Output is correct |
85 |
Correct |
3 ms |
1196 KB |
Output is correct |
86 |
Correct |
2 ms |
1196 KB |
Output is correct |
87 |
Correct |
3 ms |
1196 KB |
Output is correct |
88 |
Correct |
2 ms |
1196 KB |
Output is correct |
89 |
Correct |
3 ms |
1196 KB |
Output is correct |
90 |
Correct |
3 ms |
1196 KB |
Output is correct |
91 |
Correct |
3 ms |
1196 KB |
Output is correct |
92 |
Correct |
2 ms |
1196 KB |
Output is correct |