제출 #234472

#제출 시각아이디문제언어결과실행 시간메모리
234472kshitij_sodani운세 보기 2 (JOI14_fortune_telling2)C++17
0 / 100
3054 ms19456 KiB
#include <bits/stdc++.h> using namespace std; typedef int64_t llo; #define mp make_pair #define pb push_back #define a first #define b second llo n,k; llo aa[200001]; llo bb[200001]; llo pp[200001]; vector<llo> tree2[1]; vector<pair<llo,llo>> tree[800001]; llo build2(llo no1,llo no,llo l,llo r){ if(l==r){ tree2[no1][no]=tree[no1][l].b; } else{ llo mid=(l+r)/2; build2(no1,no*2+1,l,mid); build2(no1,no*2+2,mid+1,r); tree2[no1][no]=max(tree2[no1][no*2+1],tree2[no1][no*2+2]); /*if(no1==0){ cout<<tree2[no][no]<<","<<l<<","<<r<<endl; }*/ } } llo query3(llo no1,llo no,llo l,llo r,llo aa,llo bb){ if(r<aa or l>bb){ return -1; } //cout<<l<<"..."<<r<<endl; if(aa<=l and r<=bb){ return tree2[no1][no]; } else{ llo mid=(l+r)/2; return max(query3(no1,no*2+1,l,mid,aa,bb),query3(no1,no*2+2,mid+1,r,aa,bb)); } } llo build(llo no,llo l,llo r){ if(no==0){ for(llo i=0;i<(r-l+1)*4;i++){ tree2[no].pb(0); } } if(l==r){ tree[no].pb({pp[l],l}); } else{ llo mid=(l+r)/2; build(no*2+1,l,mid); build(no*2+2,mid+1,r); llo ind=0; llo ind2=0; while(ind<tree[no*2+1].size() and ind2<tree[no*2+2].size()){ if(tree[no*2+1][ind].a<tree[no*2+2][ind2].a){ tree[no].pb(tree[no*2+1][ind]); ind+=1; } else{ tree[no].pb(tree[no*2+2][ind2]); ind2+=1; } } while(ind<tree[no*2+1].size()){ tree[no].pb(tree[no*2+1][ind]); ind+=1; } while(ind2<tree[no*2+2].size()){ tree[no].pb(tree[no*2+2][ind2]); ind2+=1; } } if(no==0){ build2(no,0,0,r-l); } } llo val1; llo val2; llo val3; llo query(llo no,llo l,llo r,llo aa,llo bb){ if(tree[no].back().a<val1){ return -1; } if(tree[no][0].a>=val2){ return -1; } // cout<<l<<"::"<<r<<endl; llo low=0; llo high=r-l; while(low<high-1){ llo mid=(l+r)/2; if(true){//tree[no][mid].a>=val1){ high=mid; } else{ low=mid; } } llo ind=high; if(tree[no][low].a>=val1){ ind=min(ind,low); } low=0; high=r-l; while(low<high-1){ llo mid=(l+r)/2; if(true){//tree[no][mid].a<val2){ low=mid; } else{ high=mid; } } llo ind2=low; if(tree[no][high].a<val2){ ind2=max(ind2,high); } // cout<<ind<<",,,,,"<<ind2<<endl; if(ind>ind2){ return -1; } return query3(no,0,0,r-l,ind,ind2); } llo query2(llo no,llo l,llo r,llo aa,llo bb){ if(r<aa or bb<l){ return 0; } if(aa<=l and r<=bb){ if(tree[no].back().a<val3){ return 0; } llo low=0; llo high=r-l; while(low<high-1){ llo mid=(l+r)/2; if(tree[no][mid].a>=val3){ high=mid; } else{ low=mid; } } llo ind=high; if(tree[no][low].a>=val3){ ind=min(ind,low); } return (llo)(tree[no].size())-ind; } else{ llo mid=(l+r)/2; return query2(no*2+1,l,mid,aa,bb)+query2(no*2+2,mid+1,r,aa,bb); } } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin>>n>>k; for(llo i=0;i<n;i++){ cin>>aa[i]; cin>>bb[i]; } for(llo i=0;i<k;i++){ cin>>pp[i]; } build(0,0,k-1); llo ans=0; for(llo i=0;i<n;i++){ val1=min(aa[i],bb[i]); val2=max(aa[i],bb[i]); // cout<<val1<<"///"<<val2<<endl; llo indd=query(0,0,k-1,0,k-1); continue; indd+=1; // cout<<i<<","<<indd-1<<endl; if(indd>=k){ if(aa[i]<bb[i]){ ans+=bb[i]; } else if(bb[i]<aa[i]){ ans+=aa[i]; } continue; } val3=max(val1,val2); llo co=query2(0,0,k-1,indd,k-1); //cout<<co<<endl; llo st; if(indd==0){ st=0; } else{ if(aa[i]<bb[i]){ st=1; } else{ st=0; } } st+=co; st%=2; if(st==1){ ans+=bb[i]; } else{ ans+=aa[i]; } } cout<<ans<<endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'llo build2(llo, llo, llo, llo)':
fortune_telling2.cpp:29:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
fortune_telling2.cpp: In function 'llo build(llo, llo, llo)':
fortune_telling2.cpp:60:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(ind<tree[no*2+1].size() and ind2<tree[no*2+2].size()){
         ~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:60:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(ind<tree[no*2+1].size() and ind2<tree[no*2+2].size()){
                                     ~~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:70:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(ind<tree[no*2+1].size()){
         ~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:74:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(ind2<tree[no*2+2].size()){
         ~~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:82:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
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