Submission #969928

#	Time	Username	Problem	Language	Result	Execution time	Memory
969928		shadow_sami	Spring cleaning (CEOI20_cleaning)	C++17	0 / 100	29 ms	1372 KiB

cleaning

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
#define ff first
#define ss second
#define fip(a,b) for(ll i = a ; i<b;i++)
#define fjp(a,b) for(ll j = a ; j<b;j++)
#define fp(k,a,b) for(ll k = a ; k<b;k++)
#define fin(a,b) for(ll i = a;i>=b;i--)
#define fjn(a,b) for(ll j = a;j>=b;j--)
#define fn(k,a,b) for(ll k = a;k>=b;k--)
#define fx(k) for(auto x : k)
#define ordered_set <ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
#define totalone(x) _builtin_popcountll(x)
#define frontzero(x) _builtin_clzll(x)
#define backzero(x) _builtin_ctzll(x)
#define nli "\n";
 
#ifndef ONLINE_JUDGE
	#define debug(x) cerr<<#x<<" ";printn(x);cerr<<nli;
#else
	#define debug(x)
#endif
 
void printn(ll x){cerr<<x<<" ";};
void printn(int x){cerr<<x<<" ";};
void printn(double x){cerr<<x<<" ";};
void printn(bool x){cerr<<x<<" ";};
void printn(char x){cerr<<x<<" ";};
void printn(string x){cerr<<x<<" ";};
template<class T> void printn(set<T> s);
template<class T> void printn(vector<T> s);
template<class T,class V> void printn(pair<T, V> s);
template<class T,class V> void printn(map<T, V> s);
template<class T> void printn(set<T> s){cerr<<"{ ";fx(s){printn(x);cerr<<",";};cerr<<"}";}
template<class T> void print(vector<T> s){cerr<<"[ ";fx(s){print(x);cerr<<",";};cerr<<"]";}
template<class T,class V> void print(pair<T,V> s){cerr<<"( ";print(s.ff);cerr<<",";print(s.ss);cerr<<")";}
template<class T,class V> void print(map<T,V> s){cerr<<"[ ";fx(s){print(x);cerr<<",";};cerr<<"]";}
 
const ll mx = 1e5 + 5;
const ll mod = 1e9 + 7;
bool f = 0;
 
ll n,m,sum,ans,res,cnt,tp,tp2,tptp;
ll sr,de;
ll tnc[mx];
 
int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
		// freopen("input1.txt","r",stdin);
		// freopen("output1.txt","w",stdout);
		// freopen("error1.txt","w",stderr);
 
		cin>>n>>m;
		fip(0,n-1){
			cin>>sr>>de;
		}
		ans = 0;
		fip(0,m){
			cin>>tp;			
			vi a(tp);
			for( auto & x: a)
				cin>>x;
			sort(a.begin(),a.end());
			if(tp&1){
				cout<<0<<nli;
				continue;
			}
			ans = n-1;
			// debug(ans);
			ans += tp;
			// debug(ans);
			f = 1;
			fx(a){
				if(f)
					ans -= x;
				else
					ans += x;
				f = 1 - f;
			}
			cout<<ans<<nli;			
		}
 
	cerr<<"time elapsed: "<<setprecision(6)<<1000.0*clock()/CLOCKS_PER_SEC<<"ms"<<nli;
	return 0;
}

• Subtask 1: 0 / 0
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 17
• Subtask 7: 0 / 30