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답안 #242639

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
242639 2020-06-28T12:47:38 Z kshitij_sodani 학교 설립 (IZhO13_school) C++17
100 / 100
 537 ms 36440 KB 
#include <bits/stdc++.h>
using namespace std;
typedef int64_t llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
//#define endl '\n'
llo n,m,s;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n>>m>>s;
	vector<pair<llo,llo>> kk;
	for(llo i=0;i<n;i++){
		llo aa,bb;
		cin>>aa>>bb;
		kk.pb({aa,bb});
	}
	sort(kk.begin(),kk.end());
	llo su=0;
	reverse(kk.begin(),kk.end());
	set<pair<llo,llo>> ss;
	set<pair<llo,llo>> tt;
	set<pair<llo,llo>> mm;
	for(llo i=0;i<n;i++){
		if(i<m){
			su+=kk[i].a;
			ss.insert({kk[i].a-kk[i].b,i});
		}		
		else{
			tt.insert({-kk[i].b,i});
			mm.insert({-kk[i].a,i});
		}
	}
	if(m==n){
		cout<<su<<endl;
		return 0;
	}
	for(llo i=0;i<s;i++){
		llo x=-(*tt.begin()).a;
		llo y=-(*ss.begin()).a-(*mm.begin()).a;
		if(y>x){
			su+=y;
			ss.erase(ss.begin());
			pair<llo,llo> no=*(mm.begin());
			mm.erase(mm.begin());
			tt.erase({-kk[no.b].b,no.b});
			ss.insert({kk[no.b].a-kk[no.b].b,no.b});
		}
		else{
			pair<llo,llo> no=*(tt.begin());
			mm.erase({-kk[no.b].a,no.b});
			tt.erase(tt.begin());
			su+=x;
		}
	}
	cout<<su<<endl;

	






	
	return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 8 ms 896 KB Output is correct
8 Correct 7 ms 640 KB Output is correct
9 Correct 7 ms 768 KB Output is correct
10 Correct 7 ms 768 KB Output is correct
11 Correct 9 ms 1024 KB Output is correct
12 Correct 9 ms 1024 KB Output is correct
13 Correct 30 ms 3440 KB Output is correct
14 Correct 131 ms 10856 KB Output is correct
15 Correct 290 ms 22760 KB Output is correct
16 Correct 455 ms 24268 KB Output is correct
17 Correct 332 ms 26056 KB Output is correct
18 Correct 318 ms 28384 KB Output is correct
19 Correct 447 ms 31200 KB Output is correct
20 Correct 537 ms 36440 KB Output is correct