Submission #930781

#	Time	Username	Problem	Language	Result	Execution time	Memory
930781		shenfe1	Wall (IOI14_wall)	C++14	Compilation error	0 ms	0 KiB

wall

#include<bits/stdc++.h>

#include "wall.h"

using namespace std;

#define F first
#define S second
#define ll long long
#define maksim gay
// #define int ll
#define pb push_back
#define sz(s) (int)s.size()
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define mem(a,i) memset(a,i,sizeof(a))
#define in insert
#define lb lower_bound
#define ub upper_bound
#define y1 yy
#define ppb pop_back

const int MAX=2e6+10;
const int inf=2e9;
const int N=2e5;
const int mod=998244353;

int binpow(int a,int n){
  if(n==0)return 1;
  if(n%2)return a*binpow(a,n-1)%mod;
  int k=binpow(a,n/2);
  return k*k%mod;
}

struct DO{
  int t[4*MAX],t1[4*MAX];
  int c[4*MAX],c1[4*MAX];

  void build(int v,int tl,int tr){
    t[v]=0;
    t1[v]=1;
    c[v]=0;
    c1[v]=inf;
    if(tl==tr)return;
    int tm=(tl+tr)/2;
    build(2*v,tl,tm);
    build(2*v+1,tm+1,tr);
  }

  void upd(int v,int op,int x){
    if(t1[v]==op){
      if(!op)c1[v]=max(c1[v],x);
      else c1[v]=min(c1[v],x);
    }
    else{
      if(!op)x=max(x,min(c[v],c1[v]));
      else x=min(x,max(c[v],c1[v]));
      c[v]=c1[v];
      c1[v]=x;
      t[v]^=1;
      t1[v]^=1;
    }
    // cout<<v<<" "<<t[v]<<" "<<c[v]<<" "<<t1[v]<<" "<<c1[v]<<"\n";
  }

  void push(int v){
    // cout<<"!!! "<<v<<" "<<t[v]<<" "<<c[v]<<" "<<t1[v]<<" "<<c1[v]<<"\n";
    upd(2*v,t[v],c[v]);
    upd(2*v,t1[v],c1[v]);
    upd(2*v+1,t[v],c[v]);
    upd(2*v+1,t1[v],c1[v]);
    t[v]=0;
    t1[v]=1;
    c[v]=0;
    c1[v]=inf;
  }

  void update(int v,int tl,int tr,int l,int r,int op,int x){
    if(l>r||tl>r||l>tr)return;
    if(l<=tl&&tr<=r){
      upd(v,op,x);
      return;
    }
    push(v);
    int tm=(tl+tr)/2;
    update(2*v,tl,tm,l,r,op,x);
    update(2*v+1,tm+1,tr,l,r,op,x);
  }

  pair<pii,pii> get(int v,int tl,int tr,int pos){
    if(tl==tr){
      return {{t[v],c[v]},{t1[v],c1[v]}};
    }
    int tm=(tl+tr)/2;
    push(v);
    if(pos<=tm)return get(2*v,tl,tm,pos);
    else return get(2*v+1,tm+1,tr,pos);
  }
}t;

void add(int &x,pii y){
  if(y.F==0)x=max(x,y.S);
  else x=min(x,y.S);
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
  for(int i=0;i<n;i++)finalHeight[i]=0;
  t.build(1,0,n-1);
  for(int i=0;i<k;i++){
    t.update(1,0,n-1,left[i],right[i],op[i]-1,height[i]);
  } 
  for(int i=0;i<n;i++){
    pair<pii,pii> f=t.get(1,0,n-1,i);
    finalHeight[i]=0;
    add(finalHeight[i],f.F);
    add(finalHeight[i],f.S);
    cout<<finalHeight[i]<<" ";
  }
  cout<<"\n";
}


signed main()
{
  int n;
  int k;

  int i, j;  
  int status = 0;

  cin>>n>>k;
  int op[k],left[k],height[k],right[k+1],finalHeight[n+1];

  for (i = 0; i < k; i++){
    cin>>op[i]>>left[i]>>right[i]>>height[i];
  }

  buildWall(n, k, op, left, right, height, finalHeight);

  // for (j = 0; j < n; j++)
  //   printf("%d\n", finalHeight[j]);
  
}

Compilation message (stderr)

wall.cpp: In function 'int main()':
wall.cpp:128:10: warning: unused variable 'j' [-Wunused-variable]
  128 |   int i, j;
      |          ^
wall.cpp:129:7: warning: unused variable 'status' [-Wunused-variable]
  129 |   int status = 0;
      |       ^~~~~~
/usr/bin/ld: /tmp/ccsLJ28t.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTHlObv.o:wall.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status