Submission #198070

#	Time	Username	Problem	Language	Result	Execution time	Memory
198070		AryaKnight	Pod starim krovovima (COCI20_psk)	C++14	50 / 50	3 ms	376 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int ll
#define all(a) a.begin(),a.end()
#define F first
#define S second
#define pb push_back
#define ll long long
#define vi vector<int>
#define pi pair<int,int>
#define mp make_pair
 
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
 
const int mod=1e9+7;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int mul(int a,int b)
{
	return ((a)*1ll*(b))%mod;
}
 
void add(int &a,int b)
{
	a+=b;
	if(a>=mod)a-=mod;
}
 
int sub(int a,int b){
	a-=b;
	if(a<0){
		a+=mod;
	}
	return a;
}
 
int powz(int a,int b)
{
	int res=1;
	while(b)
	{
		if(b&1){
			res=mul(res,a);
		}
		b/=2;
		a=mul(a,a);
	}
	return res;
}
 
template <typename A, typename B>
istream& operator>>(istream& input,pair<A,B>& x) {
	input>>x.F>>x.S;
	return input;
}
 
template <typename A>
istream& operator>>(istream& input,vector<A>& x) {
	for(auto& i:x)
		input>>i;
	return input;
}
 
template<typename A>
ostream& operator<<(ostream& output,vector<A>& x) {
	for(auto& i:x)
		output<<i<<' ';
	return output;
}
 
const int N=1000002;

void solve(){
	int n;
	cin>>n;
	vector<int>a(n);
	vector<pi>b(n);
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i].F;
		b[i].S=i;
	}
	sort(all(a));
	sort(all(b));
	ll sum=0,sum2=accumulate(all(a),0ll);
	for(int i=0;i<n;i++){
		sum+=b[i].F;
	}
	for(int i=0;i<n;i++){
		if(sum-b[i].F>=sum2){
			sum-=b[i].F;
		}
		else{
			vector<int>ans(n);
			cout<<i<<"\n";
			for(int j=i;j<n;j++){
				if(b[j].F<sum2){
					ans[b[j].S]=b[j].F;
					sum2-=b[j].F;
				}
				else{
					ans[b[j].S]=sum2;
					sum2=0;
				}
			}
			for(int j=0;j<n;j++){
				cout<<ans[j]<<' ';
			}
			return;
		}
	}
	cout<<n<<"\n";
	for(int i=0;i<n;i++){
		cout<<0<<' ';
	}
}
 
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int tc=1;
	//~cin>>tc;
	for(int _=0;_<tc;_++){
		//~ cout<<"Case #"<<_+1<<": ";
		solve();
		if(_!=tc-1)
		cout<<"\n";
	}
}

• Subtask 1: 50 / 50