#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
#define N 150000
#define MOD 1000000007
#define INF 0x3f3f3f3f
int a[55];
int n, k;
vector<pair<int, int> > ans;
int now[55];
int md[55];
void reset(){
bool ok = 0;
for(int i = 1; i <= n; i++){
if(now[i] >= k) ok = 1;
}
if(ok == 0) return;
int mn = 0x3f3f3f3f;
for(int i = 1; i <= n; i++){
if(now[i] < k){
ans.push_back({1, i});
now[i] += k;
}
mn = min(mn, now[i]);
}
for(int i = 1; i <= n; i++)
now[i] -= mn;
reset();
}
void check(int c){
for(int i = 1; i <= n; i++){
now[i] = a[i];
md[i] = now[i] % k;
}
ans.clear();
reset();
int cnt = c, mx = 0;
for(int i = n - k + 1; i <= n; i++)
mx = max(mx, now[i]);
for(int i = 1; i <= n - k; i++){
while(now[i] < mx + cnt){
now[i] += k;
ans.push_back({1, i});
}
now[i] -= cnt;
}
while(c--){
md[n]++;
md[n] %= k;
ans.push_back({2, n - k + 1});
}
reset();
for(int i = 1; i <= n; i++){
md[i] = now[i];
}
for(int i = n - k; i > 0; i--){
cnt = mx = 0;
while(md[i + k - 1] != md[n]){
cnt++;
ans.push_back({2, i});
for(int j = 0; j < k; j++){
++md[i + j];
md[i + j] %= k;
}
}
for(int j = 0; j < k; j++){
mx = max(mx, now[i]);
}
for(int j = 1; j < i; j++){
while(now[j] < mx + cnt){
now[j] += k;
ans.push_back({1, j});
}
now[j] -= cnt;
}
for(int j = i + k; j <= n; j++){
while(now[j] < mx + cnt){
now[j] += k;
ans.push_back({1, j});
}
now[j] -= cnt;
}
reset();
}
for(int i = 1; i <= n; i++)
if(md[i] != md[n]) return;
cout<<ans.size()<<'\n';
for(auto& x: ans){
cout<<x.ff<<' '<<x.ss<<'\n';
}
exit(0);
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
cin>>n>>k;
int s = 0;
for(int i = 1; i <= n; i++){
cin>>a[i];
s += a[i];
}
for(int i = 0; i < k; i++){
check(i);
}
cout<<-1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |