#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e5+5;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
ll n,k,a[N],st,ma=0;
vector<pll> ans;
void out(){
//REP(i,n)cout<<a[i]<<(i==n-1?"\n":" ");
}
int main(){
//ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n>>k;
REP(i,n)cin>>a[i];
for(st=0;st+k<=n;st+=k){
for(int i=n-1;i>=st;i--){
while(a[i]<a[i+1])ans.pb(mp(0,i)),a[i]+=k;
}
out();
for(int i=n-k;i-1>=st;i--){
while(a[i-1]>a[i]){
for(int j=i+k;j<n;j++){
while(a[j]<a[i]+1)ans.pb(mp(0,j)),a[j]+=k;
}
for(int j=0;j<st;j+=k){
while(a[j]<a[i]+1){
ans.pb(mp(1,j));
for(int id=j;id<j+k;id++)a[id]+=1;
}
}
ans.pb(mp(1,i));
for(int j=0;j<n;j++){
if(j>=i&&j<i+k)continue;
a[j]--;
}
}
}
out();
}
for(int i=1;i<st;i++)if(a[i]!=a[i-1]){
cout<<"-1\n";return 0;
}
for(int i=st;i<n;i++){while(a[i]<a[0])ans.pb(mp(0,i)),a[i]+=k;ma=max(ma,a[i]);}
for(int i=st;i<n;i++)while(a[i]<ma)ans.pb(mp(0,i)),a[i]+=k;
while(a[0]<ma){
for(int i=0;i+k<=n;i+=k){
ans.pb(mp(1,i));
for(int j=i;j<i+k;j++)a[j]++;
}
}
out();
for(int i=st;i<n;i++)if(a[i]!=ma){
cout<<"-1\n";return 0;
}
cout<<SZ(ans)<<"\n";
for(auto i:ans)cout<<i.X+1<<" "<<i.Y+1<<"\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Incorrect |
4 ms |
748 KB |
Integer 14688 violates the range [-1, 10000] |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |