Submission #1079350

#TimeUsernameProblemLanguageResultExecution timeMemory
1079350vnm06JOIRIS (JOI16_joiris)C++14
45 / 100
1 ms504 KiB
#include<bits/stdc++.h> #define endl '\n' using namespace std; int n, k, h[64]; vector<pair<int, int> > moves; void print_ans(bool t) { if(!t) { cout<<-1<<endl; exit(0); } cout<<moves.size()<<endl; for(int i=0; i<moves.size(); i++) cout<<moves[i].first<<" "<<moves[i].second+1<<endl; exit(0); } int rm; int ost[64]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>n>>k; for(int i=0; i<n; i++) { cin>>h[i]; ost[i%k]+=h[i]; } rm=n%k; if(rm!=0) { for(int i=0; i<rm-1; i++) if(ost[i]%k!=ost[i+1]%k) print_ans(0); for(int i=rm; i<k-1; i++) if(ost[i]%k!=ost[i+1]%k) print_ans(0); } else { for(int i=0; i<k-1; i++) if(ost[i]%k!=ost[i+1]%k) print_ans(0); } for(int i=n-2; i>=0; i--) { while(h[i]<h[i+1]) { moves.push_back({1, i}); h[i]+=k; } } int id=n-1, br=0; vector<int> vr, vr2; for(int i=h[n-1]+1; i<=h[0]; i++) { while(id && h[id-1]<i) id--; int l=n-id; for(int j=id; j<=n-k; j+=k) moves.push_back({2, j}); if(l%k) vr.push_back(l%k); } int t=vr.size(); for(int i=1; i<k; i++) { for(int s=0; s<vr.size(); s+=k) { moves.push_back({1, n-i}); for(int tj=s; tj<s+k; tj++) { if(tj>=vr.size()) vr.push_back(n); vr[tj]--; } } vr2.resize(0); for(int s=0; s<vr.size(); s++) if(vr[s]) vr2.push_back(vr[s]); vr=vr2; } for(int i=0; i<vr.size(); i++) { for(int j=vr[i]-k; j>=0; j-=k) { moves.push_back({2, j}); } } print_ans(1); return 0; }

Compilation message (stderr)

joiris.cpp: In function 'void print_ans(bool)':
joiris.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=0; i<moves.size(); i++) cout<<moves[i].first<<" "<<moves[i].second+1<<endl;
      |                  ~^~~~~~~~~~~~~
joiris.cpp: In function 'int main()':
joiris.cpp:67:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(int s=0; s<vr.size(); s+=k)
      |                      ~^~~~~~~~~~
joiris.cpp:72:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |                 if(tj>=vr.size()) vr.push_back(n);
      |                    ~~^~~~~~~~~~~
joiris.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |         for(int s=0; s<vr.size(); s++) if(vr[s]) vr2.push_back(vr[s]);
      |                      ~^~~~~~~~~~
joiris.cpp:80:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |     for(int i=0; i<vr.size(); i++)
      |                  ~^~~~~~~~~~
joiris.cpp:55:17: warning: unused variable 'br' [-Wunused-variable]
   55 |     int id=n-1, br=0;
      |                 ^~
joiris.cpp:64:9: warning: unused variable 't' [-Wunused-variable]
   64 |     int t=vr.size();
      |         ^
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