Submission #1209850

#TimeUsernameProblemLanguageResultExecution timeMemory
1209850user736482Longest Trip (IOI23_longesttrip)C++20
Compilation error
0 ms0 KiB
#include "longesttrip.h" stack<ll>mrg(stack<ll>a,stack<ll>b){ while(b.size()){ a.push(b.top());b.pop(); } return a; } vector<ll> longest_trip(ll n,ll smiec){ vector<ll>v; for(ll i=0;i<n;i++){ v.pb(i); } for(ll i=0;i<n;i++){ swap(v[i],v[n-1-rand()%(n-i)]); } stack<ll>st,st2; st.push(v.back()); v.pop_back(); bool bl=1; for(ll i : v){ /*if(st2.empty()){ if(are_connected({i},{st.top()})){ st.push(i); } else{ st2.push(i); } } else{ if(!are_connected({i},{st2.top()})){ st.push(i); } else{ if(are_connected({i},{st.top()})){ st.push(i); while(st2.size()){ st.push(st2.top()); st2.pop(); } } else{ st.push(i); } } }*/ if(bl){ if(are_connected({i},{st.top()})){ st.push(i); bl=0; } else{ st2.push(i); } } else{ if(are_connected({i},{st.top()})){ st.push(i); } else{ if(st2.size() && are_connected({i},{st2.top()})){ st2.push(i); bl=1; } else{ if(st2.size()==1)bl=1; st=mrg(st,st2); while(st2.size())st2.pop(); st2.push(i); } } } } vector<ll>v1,v2,V1,V2; while(st.size()){ v1.pb(st.top()); // cout<<v1.back()<<" "; st.pop(); }//cout<<"\n"; while(st2.size()){ v2.pb(st2.top()); cout<<v2.back(); st2.pop(); }//cout<<"\n\n"; V1=v1; V2=v2; if(v1.empty() || v2.empty() || !are_connected(v1,v2)){ if(v1.size()>v2.size())return v1; return v2; } if(v1.size()>1 && !are_connected({v1[0]},{v1.back()})){ if(!are_connected({v1.back()},{v2[0]}))reverse(v1.begin(),v1.end()); for(ll i : v2)v1.pb(i); return v1; } swap(v1,v2); if(v1.size()>1 && !are_connected({v1[0]},{v1.back()})){ if(!are_connected({v1.back()},{v2[0]}))reverse(v1.begin(),v1.end()); for(ll i : v2)v1.pb(i); return v1; } vector<ll>v3; while(v1.size()>1){ while(v1.size()>v3.size()){ v3.pb(v1.back()); v1.pop_back(); } if(!are_connected(v1,v2))swap(v1,v3); v3.clear(); } swap(v1,v2); while(v1.size()>1){ while(v1.size()>v3.size()){ v3.pb(v1.back()); v1.pop_back(); } if(!are_connected(v1,v2))swap(v1,v3); v3.clear(); } ll poz1; for(poz1=0;poz1<V1.size();poz1++){ if(V1[poz1]==v1[0])break; } ll poz2; for(poz2=0;poz2<V2.size();poz2++){ if(V2[poz2]==v2[0])break; } vector<ll>ans; for(ll i=poz1+1;i<poz1+V1.size();i++)ans.pb(V1[i%V1.size()]); ans.pb(v1[0]); ans.pb(v2[0]); for(ll i=poz2+1;i<poz2+V2.size();i++)ans.pb(V2[i%V2.size()]); return ans; }

Compilation message (stderr)

longesttrip.cpp:2:7: error: 'll' was not declared in this scope
    2 | stack<ll>mrg(stack<ll>a,stack<ll>b){
      |       ^~
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:7: error: 'll' was not declared in this scope
longesttrip.cpp:2:1: error: 'stack' does not name a type
    2 | stack<ll>mrg(stack<ll>a,stack<ll>b){
      | ^~~~~
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
    8 | vector<ll> longest_trip(ll n,ll smiec){
      |        ^~
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:8: error: 'll' was not declared in this scope
longesttrip.cpp:8:1: error: 'vector' does not name a type
    8 | vector<ll> longest_trip(ll n,ll smiec){
      | ^~~~~~