#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,k,f[1000009],X[1000009],T,dep,pi;
vector <vector <long long> > ans;
vector <long long> vv;
vector <pair <long long, long long> > v[1000009];
int main(){
ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>a>>k;zx=0;xc=0;
for(i=1; i<=a; i++){
cin>>f[i];xc=max(xc,f[i]);
zx+=f[i];
}
if(zx%k!=0){
cout<<-1;exit(0);
}
if(xc*k>zx){
cout<<-1;exit(0);
}
T=zx/k;
j=1;jj=1;
for(i=1; i<=a; ){
if(jj>T){j++;jj=1;}
if(T-jj+1>=f[i]){
v[j].push_back(make_pair(f[i]+jj-1,i));jj+=f[i];
i++;
continue;
}
v[j].push_back(make_pair(T,i));f[i]-=T-jj+1;
j++;jj=1;
}
dep=1;pi=0;
while(dep<=T){
pi++;vv.clear();X[pi]=1000000000000000000LL;
for(i=1; i<=k; i++){
c=lower_bound(v[i].begin(),v[i].end(),make_pair(dep,0LL))-v[i].begin();
X[pi]=min(X[pi],v[i][c].first-dep+1);vv.push_back(v[i][c].second);
}
ans.push_back(vv);dep+=X[pi];
}
cout<<ans.size()<<"\n";
for(i=0; i<ans.size(); i++){
cout<<X[i+1]<<" ";
for(j=0; j<k; j++){
cout<<ans[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}
Compilation message
nicegift.cpp: In function 'int main()':
nicegift.cpp:42:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | for(i=0; i<ans.size(); i++){
| ~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23756 KB |
n=4 |
2 |
Correct |
12 ms |
23756 KB |
n=3 |
3 |
Correct |
13 ms |
23748 KB |
n=3 |
4 |
Correct |
12 ms |
23756 KB |
n=4 |
5 |
Correct |
12 ms |
23756 KB |
n=4 |
6 |
Correct |
12 ms |
23756 KB |
n=2 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23756 KB |
n=4 |
2 |
Correct |
12 ms |
23756 KB |
n=3 |
3 |
Correct |
13 ms |
23748 KB |
n=3 |
4 |
Correct |
12 ms |
23756 KB |
n=4 |
5 |
Correct |
12 ms |
23756 KB |
n=4 |
6 |
Correct |
12 ms |
23756 KB |
n=2 |
7 |
Correct |
11 ms |
23756 KB |
n=5 |
8 |
Correct |
12 ms |
23756 KB |
n=8 |
9 |
Correct |
12 ms |
23740 KB |
n=14 |
10 |
Correct |
12 ms |
23812 KB |
n=11 |
11 |
Correct |
32 ms |
28192 KB |
n=50000 |
12 |
Correct |
29 ms |
28020 KB |
n=50000 |
13 |
Correct |
12 ms |
23756 KB |
n=10 |
14 |
Correct |
12 ms |
23884 KB |
n=685 |
15 |
Correct |
16 ms |
23836 KB |
n=623 |
16 |
Correct |
16 ms |
23876 KB |
n=973 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23756 KB |
n=4 |
2 |
Correct |
12 ms |
23756 KB |
n=3 |
3 |
Correct |
13 ms |
23748 KB |
n=3 |
4 |
Correct |
12 ms |
23756 KB |
n=4 |
5 |
Correct |
12 ms |
23756 KB |
n=4 |
6 |
Correct |
12 ms |
23756 KB |
n=2 |
7 |
Correct |
11 ms |
23756 KB |
n=5 |
8 |
Correct |
12 ms |
23756 KB |
n=8 |
9 |
Correct |
12 ms |
23740 KB |
n=14 |
10 |
Correct |
12 ms |
23812 KB |
n=11 |
11 |
Correct |
32 ms |
28192 KB |
n=50000 |
12 |
Correct |
29 ms |
28020 KB |
n=50000 |
13 |
Correct |
12 ms |
23756 KB |
n=10 |
14 |
Correct |
12 ms |
23884 KB |
n=685 |
15 |
Correct |
16 ms |
23836 KB |
n=623 |
16 |
Correct |
16 ms |
23876 KB |
n=973 |
17 |
Correct |
13 ms |
23916 KB |
n=989 |
18 |
Correct |
11 ms |
23884 KB |
n=563 |
19 |
Correct |
14 ms |
23904 KB |
n=592 |
20 |
Correct |
13 ms |
24128 KB |
n=938 |
21 |
Correct |
12 ms |
23892 KB |
n=747 |
22 |
Correct |
14 ms |
24012 KB |
n=991 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
417 ms |
92988 KB |
n=1000000 |
2 |
Correct |
240 ms |
70424 KB |
n=666666 |
3 |
Correct |
141 ms |
48816 KB |
n=400000 |
4 |
Correct |
334 ms |
78492 KB |
n=285714 |
5 |
Correct |
21 ms |
24952 KB |
n=20000 |
6 |
Correct |
255 ms |
68760 KB |
n=181818 |
7 |
Correct |
14 ms |
24304 KB |
n=10000 |
8 |
Correct |
38 ms |
28344 KB |
n=6666 |
9 |
Correct |
16 ms |
23936 KB |
n=4000 |
10 |
Correct |
154 ms |
49012 KB |
n=2857 |
11 |
Correct |
16 ms |
23884 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23756 KB |
n=4 |
2 |
Correct |
12 ms |
23756 KB |
n=3 |
3 |
Correct |
13 ms |
23748 KB |
n=3 |
4 |
Correct |
12 ms |
23756 KB |
n=4 |
5 |
Correct |
12 ms |
23756 KB |
n=4 |
6 |
Correct |
12 ms |
23756 KB |
n=2 |
7 |
Correct |
11 ms |
23756 KB |
n=5 |
8 |
Correct |
12 ms |
23756 KB |
n=8 |
9 |
Correct |
12 ms |
23740 KB |
n=14 |
10 |
Correct |
12 ms |
23812 KB |
n=11 |
11 |
Correct |
32 ms |
28192 KB |
n=50000 |
12 |
Correct |
29 ms |
28020 KB |
n=50000 |
13 |
Correct |
12 ms |
23756 KB |
n=10 |
14 |
Correct |
12 ms |
23884 KB |
n=685 |
15 |
Correct |
16 ms |
23836 KB |
n=623 |
16 |
Correct |
16 ms |
23876 KB |
n=973 |
17 |
Correct |
13 ms |
23916 KB |
n=989 |
18 |
Correct |
11 ms |
23884 KB |
n=563 |
19 |
Correct |
14 ms |
23904 KB |
n=592 |
20 |
Correct |
13 ms |
24128 KB |
n=938 |
21 |
Correct |
12 ms |
23892 KB |
n=747 |
22 |
Correct |
14 ms |
24012 KB |
n=991 |
23 |
Correct |
417 ms |
92988 KB |
n=1000000 |
24 |
Correct |
240 ms |
70424 KB |
n=666666 |
25 |
Correct |
141 ms |
48816 KB |
n=400000 |
26 |
Correct |
334 ms |
78492 KB |
n=285714 |
27 |
Correct |
21 ms |
24952 KB |
n=20000 |
28 |
Correct |
255 ms |
68760 KB |
n=181818 |
29 |
Correct |
14 ms |
24304 KB |
n=10000 |
30 |
Correct |
38 ms |
28344 KB |
n=6666 |
31 |
Correct |
16 ms |
23936 KB |
n=4000 |
32 |
Correct |
154 ms |
49012 KB |
n=2857 |
33 |
Correct |
16 ms |
23884 KB |
n=2000 |
34 |
Correct |
23 ms |
26388 KB |
n=23514 |
35 |
Correct |
24 ms |
26372 KB |
n=23514 |
36 |
Correct |
12 ms |
23800 KB |
n=940 |
37 |
Correct |
11 ms |
23804 KB |
n=2 |
38 |
Correct |
87 ms |
37560 KB |
n=100000 |
39 |
Correct |
87 ms |
37512 KB |
n=100000 |
40 |
Correct |
11 ms |
23756 KB |
n=10 |
41 |
Correct |
12 ms |
23788 KB |
n=100 |
42 |
Correct |
19 ms |
24396 KB |
n=1000 |
43 |
Correct |
488 ms |
138276 KB |
n=1000000 |
44 |
Correct |
542 ms |
148972 KB |
n=1000000 |
45 |
Correct |
431 ms |
111804 KB |
n=666666 |
46 |
Correct |
342 ms |
87760 KB |
n=400000 |
47 |
Correct |
153 ms |
48840 KB |
n=2336 |
48 |
Correct |
304 ms |
78644 KB |
n=285714 |
49 |
Correct |
257 ms |
68816 KB |
n=181818 |
50 |
Correct |
263 ms |
54828 KB |
n=40000 |
51 |
Correct |
178 ms |
52348 KB |
n=20000 |
52 |
Correct |
175 ms |
50280 KB |
n=10000 |
53 |
Correct |
156 ms |
49860 KB |
n=6666 |
54 |
Correct |
149 ms |
49248 KB |
n=4000 |
55 |
Correct |
154 ms |
49092 KB |
n=2857 |
56 |
Correct |
146 ms |
48212 KB |
n=2000 |