Submission #791161

#TimeUsernameProblemLanguageResultExecution timeMemory
791161kshitij_sodaniFire (JOI20_ho_t5)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define a first #define b second #define pb push_back typedef long long llo; #define endl '\n' llo n,q; llo it[200002]; llo pre6[200002]; llo par[200002]; bool vis[200002]; llo fin[200002]; vector<llo> adj[200002]; vector<pair<pair<llo,llo>,llo>> pre[200002]; llo ind[200002]; //llo pre[200002]; vector<llo> pre3[200002]; vector<pair<llo,llo>> tt; llo ss[200002]; vector<llo> pre4[200002]; llo co=0; void dfs(llo no){ vis[no]=1; ss[no]=1; assert(no==co); co++; for(auto j:adj[no]){ tt.pb({j-te,j}); par[j]=no; dfs(j); ss[no]+=ss[j]; llo te=j-no; pre3[j-no].pb(j); pre4[(j-no)+ss[j]-1].pb(j); //time j-no duration ss[no] } } llo tree[4*200002][2]; void update(llo no,llo l,llo r,llo i,llo aa,llo bb){ if(l==r){ tree[no][0]=aa; tree[no][1]=-bb*aa; } else{ llo mid=(l+r)/2; if(i<=mid){ update(no*2+1,l,mid,i,aa,bb); } else{ update(no*2+2,mid+1,r,i,aa,bb); } tree[no][0]=tree[no*2+1][0]+tree[no*2+2][0]; tree[no][1]=tree[no*2+1][1]+tree[no*2+2][1]; } } pair<llo,llo> query2(llo no,llo l,llo r,llo aa,llo bb){ if(r<aa or l>bb or aa>bb){ return {0,0}; } if(aa<=l and r<=bb){ return {tree[no][0],tree[no][1]}; } llo mid=(l+r)/2; pair<llo,llo> x=query2(no*2+1,l,mid,aa,bb); pair<llo,llo> y=query2(no*2+2,mid+1,r,aa,bb); return {x.a+y.a,x.b+y.b}; } llo tree3[4*200002][2]; void update3(llo no,llo l,llo r,llo i,pair<llo,llo> x){ if(l==r){ tree3[no][0]+=x.a; tree3[no][1]+=x.b; } if(l<r){ llo mid=(l+r)/2; if(i<=mid){ update3(no*2+1,l,mid,i,x); } else{ update3(no*2+2,mid+1,r,i,x); } tree3[no][0]=tree3[no*2+1][0]+tree3[no*2+2][0]; tree3[no][1]=tree3[no*2+1][1]+tree3[no*2+2][1]; } } pair<llo,llo> query3(llo no,llo l,llo r,llo aa,llo bb,llo i){ if(r<aa or l>bb or aa>bb){ return {0,0}; } if(aa<=l and r<=bb){ return {tree3[no][0],tree3[no][1]}; } else{ llo mid=(l+r)/2; pair<llo,llo> xx=query3(no*2+1,l,mid,aa,bb,i); pair<llo,llo> yy=query3(no*2+2,mid+1,r,aa,bb,i); return {xx.a+yy.a,xx.b+yy.b}; } } llo tree4[4*200002]; llo lazy[4*200002]; void push(llo no,llo l,llo r){ tree4[no]+=lazy[no]*(r-l+1); if(l<r){ lazy[no*2+1]+=lazy[no]; lazy[no*2+2]+=lazy[no]; } lazy[no]=0; } void update2(llo no,llo l,llo r,llo aa,llo bb,llo x){ push(no,l,r); if(r<aa or l>bb){ return; } if(aa<=l and r<=bb){ lazy[no]=x; push(no,l,r); } else{ llo mid=(l+r)/2; update2(no*2+1,l,mid,aa,bb,x); update2(no*2+2,mid+1,r,aa,bb,x); tree4[no]=tree4[no*2+1]+tree4[no*2+2]; } } llo query(llo no,llo l,llo r,llo aa,llo bb){ push(no,l,r); if(r<aa or l>bb or aa>bb){ return 0; } if(aa<=l and r<=bb){ return tree4[no]; } llo mid=(l+r)/2; llo x=query(no*2+1,l,mid,aa,bb); llo y=query(no*2+2,mid+1,r,aa,bb); tree4[no]=tree4[no*2+1]+tree4[no*2+2]; return x+y; } llo solve(llo i,llo j){ llo low=-1; for(llo ii=19;ii>=0;ii--){ if(low+(1<<ii)<tt.size()){ if(tt[low+(1<<ii)].a<j-i){ low+=(1<<ii); } } } llo su=0; if(low>=0){ pair<llo,llo> xx=query2(0,0,n-1,0,low); // cout<<xx.a<<"????"<<endl; su+=xx.b; su+=xx.a*(i+1); // cout<<su<<",,,"<<endl; } //cout<<low<<"??"<<endl; if(low+1<tt.size()){ llo xx=low; for(llo jj=19;jj>=0;jj--){ if(xx+(1<<jj)<tt.size()){ if(tt[xx+(1<<jj)].b<=j){ xx+=(1<<jj); } } } //cout<<low+1<<"::"<<xx<<endl; if(low+1<=xx){ pair<llo,llo> yy=query3(0,0,n-1,low+1,xx,j); su+=yy.b; su+=(j+1)*yy.a; } // cout<<yy.a<<",,"<<yy.b<<endl; } return su; } void setIO(string name) { ios_base::sync_with_stdio(0); cin.tie(0); freopen((name+".txt").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout); } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); //setIO("02-02"); cin>>n>>q; vector<pair<llo,llo>> ss5; for(llo i=0;i<n;i++){ ///it[i]=n-i-1; cin>>it[i]; pre6[i+1]=pre6[i]+it[i]; while(ss5.size()){ if(ss5.back().a<=it[i]){ ss5.pop_back(); } else{ break; } } if(ss5.size()){ adj[ss5.back().b].pb(i); } ss5.pb({it[i],i}); } for(llo i=0;i<n;i++){ if(vis[i]==0){ dfs(i); par[i]=-1; } } for(int i=0;i+1<tt.size();i++){ assert(tt[i].b<=tt[i+1].b); } sort(tt.begin(),tt.end()); for(llo i=0;i<tt.size();i++){ ind[tt[i].b]=i; } for(llo ii=0;ii<q;ii++){ llo t,l,r; cin>>t>>l>>r; l--; r--; pre[t].pb({{l,r},ii}); /* if(tt.size()==0){ cout<<pre6[r+1]-pre6[l]<<endl; }*/ } /* if(tt.size()==0){ return 0; }*/ for(llo i=1;i<=n;i++){ //cout<<i<<":"<<endl; for(auto j:pre3[i]){ //cout<<j<<",,"<<ind[j]<<endl; llo x=it[par[j]]-it[j]; // cout<<j<<"+"<<endl; update(0,0,n-1,ind[j],x,i); update3(0,0,n-1,ind[j],{x,-j*x}); } for(auto j:pre4[i]){ //cout<<j<<"-"<<endl; //cout<<j<<"?"<<j+ss[j]-1<<"?"<<it[par[j]]-it[j]<<endl; update2(0,0,n-1,j,j+ss[j]-1,it[par[j]]-it[j]); update(0,0,n-1,ind[j],0,0); llo x=it[par[j]]-it[j]; update3(0,0,n-1,ind[j],{-x,j*x}); } for(auto jj:pre[i]){ pair<llo,llo> j=jj.a; llo cur=pre6[j.b+1]-pre6[j.a]; //cout<<cur<<"::"<<endl; cur+=query(0,0,n-1,j.a,j.b); //continue; //cout<<cur<<",,"<<endl;///<<tree4[0]<<endl; cur+=solve(i,j.b); if(j.a>0){ cur-=solve(i,j.a-1); } fin[jj.b]=cur; } } for(llo i=0;i<q;i++){ cout<<fin[i]<<endl; } return 0; }

Compilation message (stderr)

ho_t5.cpp: In function 'void dfs(llo)':
ho_t5.cpp:31:12: error: 'te' was not declared in this scope; did you mean 'tt'?
   31 |   tt.pb({j-te,j});
      |            ^~
      |            tt
ho_t5.cpp:31:17: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::push_back(<brace-enclosed initializer list>)'
   31 |   tt.pb({j-te,j});
      |                 ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from ho_t5.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<long long int, long long int>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<long long int, long long int> >::value_type&&' {aka 'std::pair<long long int, long long int>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
ho_t5.cpp: In function 'llo solve(llo, llo)':
ho_t5.cpp:148:17: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  148 |   if(low+(1<<ii)<tt.size()){
      |      ~~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp:163:10: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |  if(low+1<tt.size()){
      |     ~~~~~^~~~~~~~~~
ho_t5.cpp:166:17: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  166 |    if(xx+(1<<jj)<tt.size()){
      |       ~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:219:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  219 |  for(int i=0;i+1<tt.size();i++){
      |              ~~~^~~~~~~~~~
ho_t5.cpp:224:15: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  224 |  for(llo i=0;i<tt.size();i++){
      |              ~^~~~~~~~~~
ho_t5.cpp: In function 'void setIO(std::string)':
ho_t5.cpp:184:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  184 |  freopen((name+".txt").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t5.cpp:185:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  185 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~