#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef pair<int, int> pii;
inline lint _min(lint x, lint y){ return x<y ? x : y; }
inline lint _max(lint x, lint y){ return x>y ? x : y; }
inline lint _abs(lint x){ return x<0 ? -x : x; }
int n, k, A[64];
vector<pii> ans;
void clear(int l, int r){
for(int i=l; i<=r; i++) A[i]--;
}
void up(int i){
A[i]+=k; ans.push_back({1, i});
}
void debug(){
return ;
cout<<"Debug:\n";
for(int i=1; i<=n; i++) cout<<A[i]<<' ';
cout<<"\n\n";
}
int main(){
ios::sync_with_stdio(0); cin.tie(0);
int C[64] = {};
cin>>n>>k;
for(int i=1; i<=n; i++) cin>>A[i], C[(i-1)%k]+=A[i];
for(int i=0; i<n%k; i++) if(C[i]%k != C[0]%k){
cout<<"-1\n"; return 0;
}
for(int i=n%k; i<k; i++) if(C[i]%k != C[k-1]%k){
cout<<"-1\n"; return 0;
}
for(int i=2; i<=n; i++){
while(A[i]<A[i-1]) up(i);
}
while(A[1]) clear(1, n);
for(int i=1; i<=k; i++){
for(int j=i+k; j<=n; j+=k){
int x = A[j]-A[j-1];
for(int b=0; b<x; b++){
for(int a=i; a<j; a+=k){
ans.push_back({2, a});
}
clear(j, n); clear(1, i-1);
}
}
while(A[i]<A[n]) up(i);
while(A[i+1]) clear(1, n);
}
debug();
assert(A[k]==0);
int mx = *max_element(A+n%k+1, A+k+1);
for(int i=1; i<=n; i++){
while(A[i]<mx) up(i);
}
debug();
while(A[k]) clear(1,n);
debug();
mx = *max_element(A+1, A+n%k+1);
for(int i=1; i<=n%k; i++){
while(A[i]<mx) up(i);
}
for(int i=n%k+1; i<=n; i+=k){
while(A[i]<mx){
for(int j=i; j<i+k; j++) A[j]++;
ans.push_back({2, i});
}
}
debug();
while(A[1]) clear(1, n);
cout<<ans.size()<<'\n';
for(auto [a, b]: ans){
cout<<a<<' '<<b<<'\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
288 KB |
Output is correct |
5 |
Correct |
1 ms |
416 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
512 KB |
Output is correct |
2 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
288 KB |
Output is correct |
5 |
Correct |
1 ms |
416 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
288 KB |
Output is correct |
5 |
Correct |
1 ms |
416 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |