제출 #709253

#제출 시각아이디문제언어결과실행 시간메모리
709253ttamx마상시합 토너먼트 (IOI12_tournament)C++14
0 / 100
33 ms3540 KiB
#include<bits/stdc++.h> using namespace std; const int K=1<<18; struct segtree{ pair<int,int> t[K]; bool lz[K]; void pushlz(int l,int r,int i){ if(!lz[i])return; t[i]={2e9,2e9}; if(l<r){ lz[i*2]=lz[i*2+1]=true; } lz[i]=false; } void build(int l,int r,int i,int *a){ if(l==r)return void(t[i]={a[l],l}); int m=(l+r)/2; build(l,m,i*2,a); build(m+1,r,i*2+1,a); t[i]=min(t[i*2],t[i*2+1]); } void update(int l,int r,int i,int x,pair<int,int> v){ pushlz(l,r,i); if(x<l||r<x)return; if(l==r)return void(t[i]=v); int m=(l+r)/2; update(l,m,i*2,x,v); update(m+1,r,i*2+1,x,v); t[i]=min(t[i*2],t[i*2+1]); } void del(int l,int r,int i,int x,int y){ pushlz(l,r,i); if(y<l||r<x)return; if(x<=l&&r<=y){ lz[i]=true; pushlz(l,r,i); return; } int m=(l+r)/2; del(l,m,i*2,x,y); del(m+1,r,i*2+1,x,y); t[i]=min(t[i*2],t[i*2+1]); } pair<int,int> query(int l,int r,int i,int x,int y){ pushlz(l,r,i); if(y<l||r<x)return {2e9,2e9}; if(x<=l&&r<=y)return t[i]; int m=(l+r)/2; return min(query(l,m,i*2,x,y),query(m+1,r,i*2+1,x,y)); } }s; int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) { s.build(0,N-1,1,K); for(int i=0;i<C;i++){ auto [x,y]=s.query(0,N-1,1,S[i],E[i]); s.del(0,N-1,1,S[i],E[i]); s.update(0,N-1,1,y,{x,y}); } return s.query(0,N-1,1,0,N-1).second; }

컴파일 시 표준 에러 (stderr) 메시지

tournament.cpp: In function 'int GetBestPosition(int, int, int, int*, int*, int*)':
tournament.cpp:59:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   59 |   auto [x,y]=s.query(0,N-1,1,S[i],E[i]);
      |        ^
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