Submission #112006

#	Time	Username	Problem	Language	Result	Execution time	Memory
112006		mechfrog88	Meetings (IOI18_meetings)	C++14	Compilation error	0 ms	0 KiB

meetings

#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
typedef long long ll;
typedef long double ld;
ll k;
vector<ll> s;
vector<ll> diff;
 
void build(ll id = 1, ll l=0,ll r = k){
	if (r - l < 2){
		s[id] = diff[l];
		return;
	}
	ll mid = (l+r)/2;
	build(id*2,l,mid);
	build(id*2+1,mid,r);
	s[id] = max(s[id*2],s[id*2+1]);
}
 
ll query(ll x,ll y,ll id = 1,ll l =0,ll r = k){
	if (y <= l || x >= r) return 0;
	if (x <= l && r <= y){
		return s[id];
	}
	ll mid = (l+r)/2;
	return max(query(x,y,id*2,l,mid),query(x,y,id*2+1,mid,r));
}
 
vector<ll> minimum_costs(vector<int> h,vector<int> l,vector<int> r) {
  int n = l.size();
  ll a = h.size();
  vector<ll> c(n);
  bool sub3 = true;
  for (int z=0;z<a;z++){
  	if (h[z] > 2){
  		sub3 = false;
  		break;
  	}
  }
  if (sub3){
  	  vector<ll> high;
  	  for (int z=0;z<a;z++){
  	  	if (h[z] == 2) {
  	  		high.push_back(z);
  	  		if (high.size() >= 2){
  	  			ll temp = *high.rbegin()-(*(high.rbegin()+1))-1;
  	  			diff.push_back(temp);
  	  		}
  	  	}
  	  }
  	  k = diff.size();
  	  if (k != 0){
  	  	s.resize(k*4,0);
  	  	build();
  	  }
  	  for (int z=0;z<n;z++){
  	  	ll left = l[z];
  	  	ll right = r[z];
  	  	if (left == right){
  	  		c[z] = h[z]; continue;
  	  	}
  	  	if (high.size() == 0){
  	  		c[z] = right-left+1;
  	  		continue;
  	  	}
  	  	auto it = lower_bound(high.begin(),high.end(),left);
  	  	auto ita = lower_bound(high.begin(),high.end(),right);
  	  	c[z] = LLONG_MAX;
  	  	if (it == ita){
  	  		c[z] = (right-left+1);
  	  		if (*ita == right) {
  	  			c[z]--;
  	  			c[z] += 2;
  	  		}
  	  		continue;
  	  	}
  	  	ll x = *it;
  	  	ll y;
  	  	if (*ita == right){
  	  		y = *(ita);
  	  	} else {
  	  		y = *(ita-1);
  	  	}
  	  	c[z] = min((right-y)+ll(2)*(y-left+1),(x-left)+ll(2)*(right-x+1));
  	  	ll r;
  	  	if (*ita != right){
  	  		r = query(it-high.begin(),ita-high.begin()-1);
  	  	} else {
  	  		r = query(it-high.begin(),ita-high.begin());
  	  	}
  	  	c[z] = min(c[z],r+ll(2)*(right-left+1-r));	
  	  }
  	  return c;
  }
  else{
  	vector <vector<ll>> d(a,vector<ll>(a,0));
  	for (int z=0;z<a;z++){
  		ll maxi = h[z];
  		d[z][z] = h[z];
  		for (int x=z+1;x<a;x++){
  			maxi = max(maxi,ll(h[x]));
  			d[z][x] = d[z][x-1] + maxi;
  		}
  		maxi = h[z];
  		for (int x=z-1;x>-1;x--){
  			maxi = max(maxi,ll(h[x]));
  			d[z][x] = d[z][x+1] + maxi;
  		}
  	}
  	for (int z=0;z<n;z++){
  		ll left = l[z];
  		ll right = r[z];
  		c[z] = LLONG_MAX;
  		for (int x=left;x<=right;x++){
  			c[z] = min(c[z],d[x][right]+d[x][left]-ll(h[x]));
  		}
  	}
  	return c;
  } 
  
}

int main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL);
	ll n,q;
	cin >> n >> q;
	vector <int> arr(n);
	for (int z=0;z<n;z++){
		cin >> arr[z];
	}
	vector <int> left(q);
	vector <int> right(q);
	for (int z=0;z<q;z++){
		cin >> left[z] >> right[z];
	}
	vector <ll> c;
	c = minimum_costs(arr,left,right);
	for (ll i : c){
		cout << i << " ";
	}
	cout << endl;
	cin >> n;
}

Compilation message (stderr)

/tmp/ccCJeJfF.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccsLgBs0.o:meetings.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status